Files
Batch Renamer Pro
Rename files with a shared prefix, sequential numbers, and zero padding. Download the organized files together.
Normandin originalSMALL TASKS. SORTED.
A good tool makes
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Convert, create, calculate, and keep moving.
452 useful tools, with a little guidance along the way.
✓ Free to use✓ No account needed✓ Made for everyday work
YOUR NEXT TASK↗
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One place for all the little things.
THE COLLECTION
All tools 452
Find your next shortcut. Open a tool and get straight to work.
Images
HEIC Instant
Convert iPhone HEIC and HEIF photos to JPG, directly in your browser.
Normandin originalText
MarkText Pro
Turn Markdown into clean plain text. Convert one document or a batch with flexible formatting presets.
Normandin originalImages
WebP Studio
Convert WebP images to JPG or PNG, choose image quality, and download a whole batch as a ZIP.
Normandin originalMath
Acceleration Converter
Convert values between acceleration units
Tool + practical guideSecurity
ActiveDirectory LDAP properties searcher
Search in mapping of LDAP properties and ActiveDirectory UI
Tool + practical guideSecurity
AGE Cryptography
Provides a simple and easy-to-use open-source Age tool for generating keys, encrypting, and decrypting messages.
Tool + practical guideText
AI Prompt Splitter
Split a long document to multiple chat (ie ChatGPT) prompts
Tool + practical guideMath
Amortization Calculator
Calculate loan amortization schedules with monthly payment breakdowns
Tool + practical guideMath
Angle Units Converter
Convert values between angle units
Tool + practical guideDevelopment
ANSI Escape Tester
Create and test ANSI console escape sequences
Tool + practical guideSecurity
Ansible vault crypt decrypt
Encrypt and decrypt Ansible Vault Secrets
Tool + practical guideNetwork
Apache LogRotate Generator
Generate Apache .log rotation configuration
Tool + practical guideMath
Area Units Converter
Convert values between area units
Tool + practical guideSecurity
Argon2 Hasher
Compute Argon2 hashes with parameters
Tool + practical guideNetwork
ARPA Decoder
Decode IPv4/6 ARPA addresses or PTR record
Tool + practical guideText
ASCII Art Text Generator
Create ASCII art text with many fonts and styles.
Tool + practical guideConverters
Aspect Ratio Calculator
Use this ratio calculator to check the dimensions when resizing images.
Tool + practical guideUtilities
Barcode generator
Barcode generator
Tool + practical guideUtilities
Barcode Reader
Barcode reader
Tool + practical guideConverters
Base64 file converter
Convert a string, file, or image into its base64 representation.
Tool + practical guideConverters
Base64 Hex array encoder/decoder
Simply encode and decode Hex array into a their base64 representation.
Tool + practical guideConverters
Base64 string encoder/decoder
Simply encode and decode strings into their base64 representation.
Tool + practical guideDevelopment
Bash Cheatsheet
Bash common commands
Tool + practical guideNetwork
Basic auth generator
Generate a base64 basic auth header from a username and password.
Tool + practical guideSecurity
Bcrypt
Hash and compare text string using bcrypt. Bcrypt is a password-hashing function based on the Blowfish cipher.
Tool + practical guideSecurity
Bech32 Encoder/Decoder
Encode/Decode/Validate betch32(m)
Tool + practical guideConverters
Benchmark builder
Compare entered timing measurements using means, variances, and ranked results.
Tool + practical guideNetwork
BIMI DNS Generator
Generate BIMI DNS TXT record
Tool + practical guideMath
Binary Calculator
Calculate bitwise/binary operations (AND, OR, XOR, NOT, shifts) between two numbers
Tool + practical guideUtilities
BIP39 passphrase generator
Generate a BIP39 passphrase from an existing or random mnemonic, or get the mnemonic from the passphrase.
Tool + practical guideData
BMI Calculator
Body Mass Index Calculator (us or metric units)
Tool + practical guideSecurity
Bounce Email Parser
Parse SMTP Bounce Emails
Tool + practical guideData
Calendar Converter
Convert dates and times between Gregorian, Julian, Hebrew, Islamic, Persian, Mayan, Indian, French Republican, ISO‑8601, Unix time, and Excel serial formats
Tool + practical guideUtilities
Card Picker
Generate a deck of playing cards
Tool + practical guideText
Case converter
Transform the case of a string and choose between different formats
Tool + practical guideSecurity
Certificate/Key parser
Parse Key and Certificate
Tool + practical guideNetwork
Chmod calculator
Compute your chmod permissions and commands with this online chmod calculator.
Tool + practical guideDevelopment
chmod Command Cheatsheet
Cheatsheets for Linux permissions changes
Tool + practical guideDate & time
Chronometer
Monitor the duration of a thing. Basically a chronometer with simple chronometer features.
Tool + practical guideText
Citation Generator
Generate citation of papers/books in MLA or APA format
Tool + practical guideDevelopment
Cli command editor
Convert CLI commands with options into an easily editable form and generate the command with
Tool + practical guideDevelopment
Code/Scripts Highlighter
Highlight programming code fragments
Tool + practical guideUtilities
Coin Flipper
Flip a coin
Tool + practical guideDevelopment
Color Contrast Checker
Check the WCAG contrast level between two colors
Tool + practical guideDevelopment
Color converter
Convert color between the different formats (hex, rgb, hsl and css name)
Tool + practical guideDevelopment
Color Wheel
Choose a color palette/theme using a wheel and mode
Tool + practical guideDevelopment
Common Regex Cheatsheet
Cheatsheet for common regex patterns
Tool + practical guideSecurity
Cookies Parser
Parse Cookie HTTP Header
Tool + practical guideDate & time
Countdown
Countdown and alarm at ellapsed duration
Tool + practical guideSecurity
CRC calculator
Compute text or file CRC (CRC1, CRC8, CRC8 1-Wire, CRC8 DVB-S2, CRC16, CRC16 CCITT, CRC16 Modbus, CRC16 Kermit, CRC16 XModem, CRC24, CRC32, CRC32 MPEG-2, CRCJAM)
Tool + practical guideData
Credit Card Checker
Check a Credit Card number for validity
Tool + practical guideUtilities
Cron Expression Builder
Generate Cron expressions from a UI
Tool + practical guideDate & time
Cron/Weekday Alarm
Alarm based on time and weekdays expression
Tool + practical guideNetwork
Crontab generator
Validate and generate crontab and get the human-readable description of the cron schedule.
Tool + practical guideImages
Crop image
Crop, resize, and rotate images with custom background colors.
Tool + practical guideSecurity
CSR Generator
Certificate Signing Request generator (PEM format)
Tool + practical guideDevelopment
CSS Gradient Generator
Generate CSS Gradient css code for a given set of steps and colors
Tool + practical guideDevelopment
Css prettifier
CSS Prettify
Tool + practical guideDevelopment
CSS Selectors Cheatsheet
CSS Selectors Syntax Cheatsheet
Tool + practical guideDevelopment
CSS Units Converter
Convert values from common CSS units (em, rem, px, vw, vh, %)
Tool + practical guideDevelopment
CSS XPath Converter
Convert CSS selector to/from XPath expression
Tool + practical guideDevelopment
CSS/JS Prettify & Minify
Prettify or minify your CSS and JavaScript code online.
Tool + practical guideConverters
Csv to Data
Convert CSV file to JSON, YAML, CSV, SQL INSERT, XML, Markdown or XLSX
Tool + practical guideData
CSV to JSON
Convert CSV to JSON with automatic header detection.
Tool + practical guideNetwork
Curl Command Generator
Generate CURL command lines
Tool + practical guideDevelopment
Curl Converter
Generate common coding languages version of provided curl command line
Tool + practical guideDevelopment
Data Faker
Generate fake data using JSON template
Tool + practical guideConverters
Data Storage Unit converter
Convert data storage or transfer units (bytes, bibytes, bits, kilobytes...)
Tool + practical guideNetwork
Data Transfer Rate Calculator
Compute Data Transfer times, rates and amount of data
Tool + practical guideDevelopment
Database Connection String Builder
Build connection string for common database
Tool + practical guideDevelopment
Database Creation Builder
Build SQL CREATE DATABASE queries for various databases
Tool + practical guideDevelopment
Database Table Generator
Generate SQL CREATE TABLE for common databases
Tool + practical guideDate & time
Date+Durations Calculator
Add/substract durations from a specific date
Tool + practical guideDate & time
Date-time converter
Convert date and time into the various different formats
Tool + practical guideDate & time
Days Calculator
Calculate days interval, holidays, difference, business times
Tool + practical guideConverters
dBm mW Converter
Convert dBm to mW and conversely
Tool + practical guideSecurity
Dead Pixel Tester
Tool to check if a pixel on your screen is dead or not.
Tool + practical guideDevelopment
Device information
Get information about your current device (screen size, pixel-ratio, user agent, ...)
Tool + practical guideUtilities
Dice Roller
RPG Dice Roller using Dice Notation
Tool + practical guideUtilities
Diceware Password Generator
Generate random password using Diceware method
Tool + practical guideText
Distinct Words
Extract and count occurences of each unique word in a text
Tool + practical guideDevelopment
Django Secret Generator
Generate a Django secret key
Tool + practical guideNetwork
DKIM DNS Generator
Generate DKIM DNS TXT record
Tool + practical guideNetwork
DMARC DNS Generator
Generate DMARC DNS TXT record
Tool + practical guideSecurity
DMARC Report Analyzer
Read and display DMARC Xml Reports
Tool + practical guideDevelopment
Docker Cheatsheet
Docker command memo
Tool + practical guideDevelopment
Docker Compose cheatsheet
Docker Compose format cheatsheet
Tool + practical guideDevelopment
Docker Compose Format Converter
Convert Docker Compose file between V1, 2.x, 3.x or CommonSpec and may expand ports/volumes syntaxes
Tool + practical guideDevelopment
Docker Compose to .env file
Extract .env file from an existing Docker Compose file
Tool + practical guideDevelopment
Docker Compose to Docker run converter
Turns Docker Compose filt to docker run command(s)!
Tool + practical guideDevelopment
Docker compose to kubernetes
Docker Compose to Kubernetes manifests
Tool + practical guideDevelopment
Docker Compose to Quadlets
Convert Docker compose file content to Podman Quadlets
Tool + practical guideDevelopment
Docker Compose Validator
Validate Docker Compose files against CommonSpec schema
Tool + practical guideDevelopment
Docker inspect to Docker run
Convert docker inspect command json result back to Docker run command
Tool + practical guideDevelopment
Docker Pangolin Labels
Convert Docker Compose Pangolin labels to blueprints and vice versa
Tool + practical guideDevelopment
Docker run to Docker compose converter
Transforms "docker run" commands into docker-compose files!
Tool + practical guideDevelopment
Docker run to kubernetes
Docker run command(s) to Kubernetes manifests
Tool + practical guideDevelopment
Docker run to Quadlets
Convert docker run commands to Podman Quadlets
Tool + practical guideDevelopment
Docker SWARM cheatsheet
Docker Swarm mode cheatsheet
Tool + practical guideDevelopment
Dockerfile cheatsheet
Dockerfile syntax and build cheatsheet
Tool + practical guideDevelopment
Dockerfile Label Generator
A simple tool for generating labels for Dockerfiles.
Tool + practical guideText
Duplicate Lines Finder
Find and list duplicated lines
Tool + practical guideDate & time
Duration Calculator
Calculate/parse durations
Tool + practical guideSecurity
ECDSA key pair generator
Generate new random ECDSA private and public keys (with or without passphrase).
Tool + practical guideSecurity
Ed25519 key pair generator
Generate new random Ed25519 private and public keys (with or without passphrase).
Tool + practical guideConverters
Email normalizer
Normalize email addresses to a standard format for easier comparison. Useful for deduplication and data cleaning.
Tool + practical guideSecurity
Email Parser
Parse and extract information from raw Email content
Tool + practical guideText
Emoji picker
Copy and paste emojis easily and get the unicode and code points value of each emoji.
Tool + practical guideSecurity
EMV TLV decoder
Decodes the EMV TLV (tag-length-value) data and its individual tags having extended meaning (such as TVR (Tag 95), Terminal Capabilities (Tag 9F33), etc.)
Tool + practical guideDevelopment
Encode/decode url formatted strings
Encode to url-encoded format (also known as "percent-encoded") or decode from it.
Tool + practical guideSecurity
Encrypt / decrypt text
Encrypt clear text and decrypt ciphertext using crypto algorithms like AES, TripleDES, Rabbit or RC4.
Tool + practical guideConverters
Energy Consumption and Expense Computer
Compute energy consumption and expense
Tool + practical guideMath
Energy Units Converter
Convert values between energy units
Tool + practical guideConverters
Env Variables Format Converter
Convert between common env vars format and yaml
Tool + practical guideUtilities
EPC QRCode Generator
Generate an European Payments Council (EPC) QR Code for initiating a SEPA credit transfer
Tool + practical guideText
Epub to Markdown
Convert an EPUB file to full markdown content
Tool + practical guideDevelopment
Escape HTML entities
Escape or unescape HTML entities (replace characters like <,>, &, " and \' with their HTML version)
Tool + practical guideDate & time
ETA calculator
An ETA (Estimated Time of Arrival) calculator to determine the approximate end time of a task, for example, the end time and duration of a file download.
Tool + practical guideSecurity
ETH Transaction Decoder
Ethereum transaction decoder with Smart Contract ABI
Tool + practical guideConverters
Excel to data
Convert XLSX file to JSON, YAML, CSV, SQL INSERT, XML or Markdown
Tool + practical guideText
Extract text from HTML
Paste your HTML in the input form on the left and you will get text instantly. Occasionally, you may need to extract plain text from an HTML page where CSS properties (like user-select: none;) prevent text selection. The typical workaround involves using the DevTools (F12) to select "Copy → outer HTML". The proposed tool would simplify this process by extracting the "inner Text" directly from the copied HTML.
Tool + practical guideDevelopment
Favicon Generator
Generate Favicon and corresponding header
Tool + practical guideSecurity
File Hasher
Compute Hash of files
Tool + practical guideDevelopment
File Splitter
Split JSON, XML or text file either by group of nodes or by group of lines
Tool + practical guideSecurity
File Type Detector
Identify the type of a file
Tool + practical guideNetwork
firewalld command line generator
Generate firewalld command lines
Tool + practical guideMath
Fitness Computer
Compute BMR (Basal Metabolic Rate), TDEE / Calories (Total Daily Energy Expenditure), BMI (Body Mass Index), Ideal Weight (Ideal Body Weight), Body Fat (Body Fat Percentage), Max HR (Maximum Heart Rate): key metrics used to assess overall fitness and physiological health.
Tool + practical guideSecurity
Floating point number converter
Convert a decimal number to a IEEE 754 binary floating point number or vice versa.
Tool + practical guideText
Folder Structure Diagram
tree-like utility for generating ASCII folder structure diagrams
Tool + practical guideText
Font Compare
Compare to fonts on a given text
Tool + practical guideMath
Food Energy Converter
Convert between food (joule, calories)
Tool + practical guideMath
Force Units Converter
Convert values between force units
Tool + practical guideText
Format Converter
Convert between standard Markdown, Obsidian, Logseq, Slack, Jira, and other formats.
Tool + practical guideUtilities
Fortune wheel
A configurable fortune wheel
Tool + practical guideMath
Frequency Converter
Convert values between frequency units
Tool + practical guideNetwork
FStab Generator
Generate /etc/fstab line
Tool + practical guideImages
GIF to MP4
Convert GIF to MP4 using ffmpeg
Tool + practical guideDevelopment
Git cheatsheet
Git is a decentralized version management software. With this cheatsheet, you will have quick access to the most common git commands.
Tool + practical guideDevelopment
Git Semantic Commit Cheatsheet
Cheatsheet for committing using semantic prefixes
Tool + practical guideDevelopment
Gitattributes Generator
Generate .gitattributes from common configuration of https://github.com/alexkaratarakis/gitattributes
Tool + practical guideDevelopment
GitIgnore Generator
Generate .gitignore for a set of common templates
Tool + practical guideText
GPT Token Encoder/Decoder
Encode text to GPT tokens and decode GPT tokens back to text
Tool + practical guideText
GPT Token Estimator
OpenAI GPT Token Estimator
Tool + practical guideUtilities
GTIN Validator
Validate and display information about GTIN (Global Trade Identifier Number formerly EAN Number), UPC and other product codes formats
Tool + practical guideSecurity
GZip/Deflate converter
Convert text from/to gzip/deflate
Tool + practical guideNetwork
HAR Sanitizer
HAR Files Sanitizer
Tool + practical guideSecurity
Hash text
Hash a text string using the function you need : MD5, SHA1, SHA256, SHA224, SHA512, SHA384, SHA3, RIPEMD160, ADLER32, CRC32, CRC32C, BLAKE, KECCAK, XXHASH, SM3, WHIRLPOOL or Argon2(i/d/id)
Tool + practical guideNetwork
HDD calculator
Storage device manufacturers report capacities in decimal form (like GB), while operating systems and other software uses binary form (GiB), although still incorrectly using the decimal unit (GiB). This tool converts decimal form capacity into various binary forms.
Tool + practical guideImages
HEIC Converter
HEIC Converter to JPEG or PNG
Tool + practical guideSecurity
Hex Encoder/Decoder
Encode and decode Hex buffers to number (bits, endianess, sign or floating point or chars) and structures
Tool + practical guideDevelopment
HEX File Converter
Convert between file and hexadecimal representation
Tool + practical guideSecurity
Hmac generator
Computes a hash-based message authentication code (HMAC) using a secret key and your favorite hashing function.
Tool + practical guideNetwork
HTAccess generator
Generate .htaccess file
Tool + practical guideDevelopment
HTML cleaner
Clean HTML
Tool + practical guideDevelopment
HTML Minifier
Minify HTML content
Tool + practical guideDevelopment
HTML Prettifier
Prettify HTML code
Tool + practical guideDevelopment
HTML to data
Convert HTML table to JSON, YAML, CSV, SQL INSERT, XML, Markdown or XLSX
Tool + practical guideText
HTML to markdown
Convert HTML (either from clipboard) to Markdown
Tool + practical guideDevelopment
HTML to XHTML
Convert HTML to strict XHTML (XML parsable, self closing tags...)
Tool + practical guideDevelopment
HTML WYSIWYG editor
Online, feature-rich WYSIWYG HTML editor which generates the source code of the content immediately.
Tool + practical guideNetwork
Htpasswd/htaccess generator
htpassword/htaccess user/password generator
Tool + practical guideDevelopment
HTTP status codes
The list of all HTTP status codes, their name, and their meaning.
Tool + practical guideText
I and L Checker
Check a password or text with highlighting of 1, l, I, 0, O
Tool + practical guideData
IBAN validator and parser
Validate and parse IBAN numbers. Check if an IBAN is valid and get the country, BBAN, if it is a QR-IBAN and the IBAN friendly format.
Tool + practical guideDate & time
ICAL File Parser
Parse ICAL/ICS file to event display
Tool + practical guideDate & time
ICAL Generator
Generate ICAL/ICS file from event infos
Tool + practical guideDate & time
iCal Merger
Merge many iCal file to a single
Tool + practical guideImages
ICO/PNG converter
Convert from PNG/JPEG to/from ICO
Tool + practical guideData
IES Lighting Guidelines
Search a bundled reference of lighting applications and illuminance ranges; confirm current criteria with IES.
Tool + practical guideMath
Illuminance Converter
Illuminance units converter (Lux, Foot Candles, Nox, Phot, Flame)
Tool + practical guideImages
Image Color Inverter
Invert the colors of an image to create a negative effect. Upload any image and instantly get the color-inverted version.
Tool + practical guideImages
Image Comparer
A tool to visualy compare images
Tool + practical guideImages
Image EXIF/Metadata/GPS/JPEG Quality reader
Read EXIF, IPTC, XMP, GPS and other metadata, JPEG Quality, and other infos from images files
Tool + practical guideImages
Image Formats Converter
Convert images from one format to another
Tool + practical guideImages
Image resizer
Change the width and height of the image, preview and download it in the desired format.
Tool + practical guideText
Image to ASCII Art
Image to ASCII Art Generator
Tool + practical guideDevelopment
Image to CSS
Convert image to CSS (url, background, ...)
Tool + practical guideImages
Image to SVG (potrace)
Convert an raster image to vectorial SVG
Tool + practical guideConverters
Integer base converter
Convert a number between different bases (decimal, hexadecimal, binary, octal, base64, ...)
Tool + practical guideNetwork
Integers to IPv4/IPv6
Convert integers to IP
Tool + practical guideNetwork
IP Subnets Exclude Calculator
Substract a disallowed IP Ranges/Mask/CIDR list from an allowed IP Ranges/Mask/CIDR list
Tool + practical guideNetwork
Iptables Generator
Generate iptables command lines
Tool + practical guideNetwork
IPv4 address converter
Convert an IP address into decimal, binary, hexadecimal, or even an IPv6 representation of it.
Tool + practical guideNetwork
IPv4 range expander
Given a start and an end IPv4 address, this tool calculates a valid IPv4 subnet along with its CIDR notation.
Tool + practical guideNetwork
IPv4 subnet calculator
Parse your IPv4 CIDR blocks and get all the info you need about your subnet.
Tool + practical guideNetwork
IPv4 Subnets Lister
List all possible subnets of a given CIDR
Tool + practical guideNetwork
IPv4-6/IPRange/CIDR in IPRange/CIDR/IPMask
Given a CIDR/IP Range/Wildcard IP/IP Mask, tell if a given IPv4-6/Range/CIDR/Wildcard IP/IP Mask is in subnet range
Tool + practical guideNetwork
Ipv4/6 CIDR to IP Range Calculator
Calculate IP Range from a CIDR (IPv4/6)
Tool + practical guideNetwork
IPv4/6 Range to CIDR(s) Calculator
Calculate CIDR(s) from an IP Range (IPv4/6)
Tool + practical guideNetwork
Ipv6 address converter
Convert an ip address into decimal, binary, hexadecimal and get infos
Tool + practical guideNetwork
Ipv6 subnet calculator
Parse your IPv6 CIDR blocks and get all the info you need about your sub network.
Tool + practical guideNetwork
IPv6 ULA generator
Generate your own local, non-routable IP addresses for your network according to RFC4193.
Tool + practical guideData
ISBN Validator and Parser
Parse, validate, format and get infos for an ISBN
Tool + practical guideData
ISO 3166 Country Codes Searcher
Allow searching for Country Code (ISO 3166) and info
Tool + practical guideData
ISO 639 Searcher
Search in ISO 639-1/2T/2B/3 language codes
Tool + practical guideSecurity
Jasypt String Encryption
Encrypt and decrypt strings using the Jasypt (Java Simplified Encryption) standard.
Tool + practical guideDevelopment
Javascript Obfuscator
Javascript code obfuscator using base64 or rot13 encoding
Tool + practical guideDevelopment
Javascript Prettifier
JS/Javascript Prettifier
Tool + practical guideDevelopment
Javascript Unobfuscator/Unpacker
webcrack is a tool for reverse engineering javascript. It can deobfuscate obfuscator.io, unminify, transpile, and unpack webpack/browserify, to resemble the original source code as much as possible.
Tool + practical guideDevelopment
Jq Cheatsheet
JQ command cheatsheet
Tool + practical guideData
Jq/JSONPath Tester
Test jq/JSONPath expression against a JSON content
Tool + practical guideData
JS to JSON converter
Simply convert Javascript object to JSON with this live online converter.
Tool + practical guideData
JSON diff
Compare two JSON objects and get the differences between them.
Tool + practical guideData
JSON Editor
Edit JSON content
Tool + practical guideData
Json Escaper/Unescaper
Escape and unescape JSON string
Tool + practical guideData
JSON Flattener/Unflattener
Flatten or nestify/unflatten JSON content (ie, {'{'}a:{'{'}b:1{'}'}{'}'} vs {'{'}"a.b":1{'}'}
Tool + practical guideData
JSON Linter
Check and lint JSON content
Tool + practical guideData
JSON Merger
Merge deeply two JSON content
Tool + practical guideData
JSON minify
Minify and compress your JSON by removing unnecessary whitespace.
Tool + practical guideData
Json Patch Tester
A simple tool for creating and testing JSON patches according to RFC 6902. And list paths of a JSON object.
Tool + practical guideData
JSON prettify and format
Prettify your JSON string into a friendly, human-readable format.
Tool + practical guideData
Json Query
Run JSON Query lang on a given JSON content
Tool + practical guideData
Json Size Analyzer
Measure JSON nodes relative weights
Tool + practical guideData
JSON sort master
Sort your JSON by keys and values.
Tool + practical guideData
Json string converter
Convert your text or JavaScript objects to JSON string format and vice versa.
Tool + practical guideData
JSON to .env
Convert a flat JSON object into a .env file. Keys are upper-cased and values are safely quoted when they contain whitespace, quotes, or env-special characters.
Tool + practical guideData
JSON to C#
Convert JSON data to C# type definition
Tool + practical guideData
JSON to CSV
Convert JSON to CSV with automatic header detection.
Tool + practical guideData
JSON to Data
Convert JSON to CSV, SQL Insert, YAML, Markdown, XML and XLSX
Tool + practical guideData
JSON to Go
Convert JSON to Go struct
Tool + practical guideData
JSON to Java Entity
Convert JSON into Java entities
Tool + practical guideData
JSON to JS converter
Simply convert JSON to Javascript object with this live online converter.
Tool + practical guideData
JSON to MessagePack
Convert JSON to MessagePack
Tool + practical guideData
JSON to object
Parse and convert JSON to object.
Tool + practical guideData
Json to PHP Code
Generate PHP Classes from JSON
Tool + practical guideData
Json to PHP-Array
Convert JSON to PHP Array
Tool + practical guideDevelopment
Json to Protobuf
Generate Protobuf declaration from JSON objects
Tool + practical guideData
Json to Python
Convert JSON to Python classes
Tool + practical guideData
Json to Schema
Convert JSON data to JSON Schema, MySQL DDL, Mongoose Schema, Google BigQuery schema or ClickHouse Table Schema
Tool + practical guideData
Json to SQL DDL
JSON to SQL CREATE TABLE
Tool + practical guideDevelopment
Json to SQL INSERT
Convert JSON array to INSERT INTO
Tool + practical guideData
JSON to TOML
Parse and convert JSON to TOML.
Tool + practical guideText
JSON to TOON
Convert JSON object to TOON representation for LLM/GPT usage
Tool + practical guideData
JSON to TS
Parse and convert JSON to TS.
Tool + practical guideDevelopment
Json to Typescript
Convert JSON to Typescript code
Tool + practical guideData
JSON to XML
Convert JSON to XML
Tool + practical guideData
JSON to YAML converter
Simply convert JSON to YAML with this live online converter.
Tool + practical guideDevelopment
JSONPath Syntax Cheatsheet
JSONPath Syntax Cheatsheet
Tool + practical guideSecurity
JWT Generator
JWT Token generator and editor
Tool + practical guideSecurity
JWT parser
Parse and decode your JSON Web Token (jwt) and display its content.
Tool + practical guideDevelopment
K6 Load Testing Script Generator
Generate k6 load testing scripts with common presets
Tool + practical guideDevelopment
K8s Cheatsheet
Kubernetes useful commands
Tool + practical guideText
Keyboard Layout Converter
Convert keys sequence from one keyboard layout to another
Tool + practical guideSecurity
Keyboard Tester
Test your keyboard keys and check if all keys are working properly. Visual feedback for each key press with support for different keyboard layouts.
Tool + practical guideSecurity
Keycode info
Find the javascript keycode, code, location and modifiers of any pressed key.
Tool + practical guideDevelopment
Kubernetes RBAC Generator
Generate k8s RBAC policy YAML
Tool + practical guideMath
Length Units Converter
Convert values from length units
Tool + practical guideText
Levenshtein Calculator
Compute Levenshtein distance and scores between to strings
Tool + practical guideText
List converter
This tool can process column-based data and apply various changes (transpose, add prefix and suffix, reverse list, sort list, lowercase values, truncate values) to each row.
Tool + practical guideText
Lists Comparer
Compare two list items
Tool + practical guideText
Lorem ipsum generator
Lorem ipsum is a placeholder text commonly used to demonstrate the visual form of a document or a typeface without relying on meaningful content
Tool + practical guideData
Luhn Validator
Check and generate key for identifier validated by a Luhn checknum
Tool + practical guideNetwork
MAC Address Converter
Change the format of a MAC address and chose between different formats (EUI-48, EUI-64, IPv6)
Tool + practical guideNetwork
MAC address generator
Enter the quantity and prefix. MAC addresses will be generated in your chosen case (uppercase or lowercase)
Tool + practical guideNetwork
MAC address lookup
Find the vendor and manufacturer of a device by its MAC address.
Tool + practical guideDevelopment
Mailto Generator
Generate a mailto: link href
Tool + practical guideConverters
Many Units Converter
Convert all kind of units
Tool + practical guideDevelopment
Markdown Cheat Sheet
Markdown Cheat Sheet
Tool + practical guideText
Markdown Diff
Compare two Markdown documents and see the differences between them.
Tool + practical guideText
Markdown Editor
Simple Markdown Editor
Tool + practical guideText
Markdown Lorem Ipsum
Generate Lorem Ipsum in markdown
Tool + practical guideText
Markdown preview
Live preview of Markdown as you type
Tool + practical guideText
Markdown Table Generator
Create GitHub-flavored Markdown tables with a visual editor.
Tool + practical guideText
Markdown Table Prettifier
Prettify markdown tables
Tool + practical guideText
Markdown to data
Convert Markdown table to JSON, YAML, CSV, SQL INSERT, XML, Markdown or XLSX
Tool + practical guideText
Markdown to DOCX
Convert Markdown documents to Word/DOCX document format with live preview and custom styling support.
Tool + practical guideText
Markdown to HTML
Convert Markdown to HTML and allow to print (as PDF)
Tool + practical guideText
Markdown to Text
Convert markdown to plain text
Tool + practical guideText
Markdown toc generator
Generate a TOC from a markdown file/content
Tool + practical guideMath
Mass Units Converter
Convert values between mass units
Tool + practical guideMath
Math evaluator
A calculator for evaluating mathematical expressions. You can use functions like sqrt, cos, sin, abs, etc.
Tool + practical guideMath
Math Formats Converter
Convert mathematical expression between formats
Tool + practical guideMath
Math OCR
Convert Math Formula images to Latex
Tool + practical guideText
Mermaid exporter
Convert Markdown (Mermaid) to image and allow to export to PNG, JPG & SVG
Tool + practical guideData
Message Pack to JSON
Convert MessagePack file to JSON
Tool + practical guideSecurity
Middle-Endian Converter
Convert bytes from Middle-Endian to Little/Big Endian for given bits precision and type of Middle Endian
Tool + practical guideSecurity
MIME Encoding Converter
Convert from/to MIME Encoded-Word format (Mail Subject)
Tool + practical guideDevelopment
MIME types
Convert MIME types to file extensions and vice-versa.
Tool + practical guideSecurity
MongoDB ObjectId Converter
Convert between MongoDB ObjectId and internal timestamp
Tool + practical guideText
Morse Code Converter
Encode/Decode to Morse code
Tool + practical guideDevelopment
Nano CheatSheet
Nano Editor Cheatsheet
Tool + practical guideUtilities
NanoIDs generator
Generate random, unique, and URL-friendly IDs for your applications.
Tool + practical guideDevelopment
Nginx Cheatsheet
Nginx configuration and useful commands
Tool + practical guideNetwork
Nginx formatter
Format/prettify Nginx configuration files
Tool + practical guideSecurity
Niceware Bytes to Passphrase
Convert bytes array to passphrase and conversely
Tool + practical guideSecurity
Nmap Command Builder
A simple command builder for generating Nmap scan commands.
Tool + practical guideUtilities
Numeronym generator
A numeronym is a word where a number is used to form an abbreviation. For example, "i18n" is a numeronym of "internationalization" where 18 stands for the number of letters between the first i and the last n in the word.
Tool + practical guideData
ObjGen to HTML
Generate xomplex HTML from TOML like syntax
Tool + practical guideData
ObjGen to JSON
Generate xomplex JSON from TOML like syntax
Tool + practical guideImages
OCRize image and PDF
Perform OCR (Tesseract) on an image or PDF
Tool + practical guideDevelopment
Open graph meta generator
Generate open-graph and socials HTML meta tags for your website.
Tool + practical guideNetwork
Option43 generator
Generate Option43 Wifi DHCP configuration
Tool + practical guideUtilities
OTP code generator
Generate and validate time-based and event-based OTP (one time password) for multi-factor authentication.
Tool + practical guideSecurity
Outlook MSG Parser
Parse Outlook MSG Files
Tool + practical guideSecurity
Outlook Safelink decoder
Decode Outlook SafeLink links
Tool + practical guideText
Pack files for AI
Pack a directory of code source files to a single AI parsable form (like repomix)
Tool + practical guideSecurity
Parquet files Reader
Read parquet file as JSON object arrays
Tool + practical guideSecurity
Paseto/PASERK Local
Generate local keys and encrypt/decrypt payloads
Tool + practical guideSecurity
Paseto/PASERK Public/Private
Generate public/private key pairs and sign/verify payload
Tool + practical guideUtilities
Passphrase Generator
Generate random memoizable Passphrases
Tool + practical guideNetwork
Password strength analyser
Discover the strength of your password with this client-side-only password strength analyser and crack time estimation tool.
Tool + practical guideText
Paste as Markdown
Paste cells/tables and links from clipboard content as Markdown
Tool + practical guidePDF
PDF Compressor
Optimize and compress PDF using Ghostscript
Tool + practical guidePDF
Pdf Concatener
Concatenate PDF into a single one
Tool + practical guidePDF
Pdf Decrypt and Unlock
Decrypt a PDF and unlock (remove security permissions)
Tool + practical guidePDF
Pdf Encrypt
Encrypt and add protection to a PDF File
Tool + practical guidePDF
Pdf Linearize/FastWeb
Create a Linearized version of a PDF (turn to FastWeb)
Tool + practical guidePDF
Pdf Page Extractor
Extract pages range from a PDF
Tool + practical guidePDF
PDF signature checker
Verify the signatures of a PDF file. A signed PDF file contains one or more signatures that may be used to determine whether the contents of the file have been altered since the file was signed.
Tool + practical guidePDF
PDF Text Extractor
Extract text from PDF
Tool + practical guideConverters
Percentage calculator
Easily calculate percentages from a value to another value, or from a percentage to a value.
Tool + practical guideSecurity
PGP encryption
Encrypt and decrypt text clear text using PGP Keys.
Tool + practical guideSecurity
PGP File Encryption
Encrypt and decrypt files using PGP
Tool + practical guideSecurity
PGP keygen
Generate new random PGP private and public keys (with or without passphrase).
Tool + practical guideData
Phone parser and formatter
Parse, validate and format phone numbers. Get information about the phone number, like the country code, type, etc. Forge link to send message in WhatsApp and SMS.
Tool + practical guideData
PHP-Array to JSON
Convert PHP Array to JSON
Tool + practical guideDevelopment
Picomatch Tester
A simple tester for the picomatch library, which is used for glob pattern matching.
Tool + practical guideUtilities
Pin Code Generator
Generate Unique PIN (digits) codes
Tool + practical guideDevelopment
Pomodoro Timer
Basic Pomodoro Timer
Tool + practical guideNetwork
Port Numbers
Search for assigned usage of a given port and protocol
Tool + practical guideMath
Power Converter
Convert values between power units
Tool + practical guideDevelopment
Powershell Cheatsheet
Powershell is a powerful scripting language and command-line shell designed for system administration and automation. It provides a wide range of cmdlets and features that allow users to manage and automate tasks on Windows systems efficiently.
Tool + practical guideMath
Pressure Units Converter
Convert values between pressure units
Tool + practical guideConverters
Properties converter
Convert Java .properties file from/to YAML
Tool + practical guideNetwork
PTR DNS Generator
Generate DNS PTR records
Tool + practical guideNetwork
Punycode Converter
Convert international unicode domain names or emails from/to ASCII Punycode version
Tool + practical guideUtilities
QR Code decoder
QR Code Reader
Tool + practical guideUtilities
QR Code generator
Generate and download a QR code for a URL (or just plain text), and customize the background and foreground colors.
Tool + practical guideUtilities
QR Contact Info generator
Generate and download QR codes for Contact information (vCard), and customize the background and foreground colors.
Tool + practical guideDevelopment
Quote Converter
Convert quoted string from/to \
Tool + practical guideNetwork
RAID Calculator
Calculate storage capacity, fault tolerance and space efficiency of an array based on the number of disks, size, and RAID type
Tool + practical guideNetwork
RAID Reliability Calculator
Computes storage system reliability using well-known MTTDL methodology
Tool + practical guideText
Random Line Picker
Pick random lines from a text input
Tool + practical guideUtilities
Random numbers generator
Generate random numbers (decimal, hexadecimal). With denied characters, you can generate other bases.
Tool + practical guideNetwork
Random port generator
Generate random port numbers outside of the range of "known" ports (0-1023).
Tool + practical guideDevelopment
Regex cheatsheet
Javascript Regex/Regular Expression cheatsheet
Tool + practical guideText
Regex Tester
Test your regular expressions with sample text.
Tool + practical guideDevelopment
REM Pixel converter
Convert px to rem and vice versa
Tool + practical guideImages
Remove EXIF
Remove Exif from JPEG Files
Tool + practical guideImages
Remove Image Background
Remove background from an image using AI
Tool + practical guideSecurity
Resistor Calculator
Compute Resistor values from/to band colors
Tool + practical guideNetwork
Restic Command Generator
Generate restic CLI commands to restore a Backrest or plain restic repository: a whole snapshot, only some files, or a browsable mount.
Tool + practical guideSecurity
RJ45 Cat6 Wiring Cheatsheet
Complete RJ45 Cat6 Wiring cheatsheet
Tool + practical guideData
RMB Uppercase Converter
RMB/Renminbi Capitalization Conversion Tool
Tool + practical guideConverters
Roman numeral converter
Convert Roman numerals to numbers and convert numbers to Roman numerals.
Tool + practical guideSecurity
RSA encryption
Encrypt and decrypt text clear text using RSA Keys.
Tool + practical guideSecurity
RSA key pair generator
Generate new random RSA private and public keys (with or without passphrase).
Tool + practical guideSecurity
RSA/DSA/ECDSA Signer and Verifier
Sign data and verify signature using RSA/DSA/ECDSA Keys
Tool + practical guideText
RSVP Reader
A Rapid Serial Visual Presentation (RSVP) tool that lets you paste text, and have the words displayed one at a time at a configurable words-per-minute (WPM) value.
Tool + practical guideNetwork
Rsync Generator
Rsync command generator
Tool + practical guideText
Rune converter
Convert Text to Runes and vice-versa
Tool + practical guideData
Running Pace Calculator
Calculate running pace, distance, elapsed time, or speed from the values you know.
Tool + practical guideSecurity
SAML Parser
Detects SAML input (Base64, DEFLATE, or XML), parses, validates its signature, and displays a structured view of the assertion—including issuer, subject, conditions, authentication context, claims, and validation status.
Tool + practical guideDevelopment
Screen Command Cheatsheet
Screen linux command memo
Tool + practical guideDevelopment
Sed cheatsheet
sed unix command cheatsheet
Tool + practical guideText
Sed Command generator
Generate unix sed commands
Tool + practical guideSecurity
Sensitive data masker
Clean sensitive data from textual content (ie logs)
Tool + practical guideSecurity
Serial Port Console
Connect, read and send message to Serial Port
Tool + practical guideSecurity
Shamirs Secret Sharing
Allow to share and recompose a secret using Shamir\
Tool + practical guideSecurity
Sharepoint Share Url Decoder
Decode sharepoint.com share urls to "normal" Sharepoint Url
Tool + practical guideNetwork
Shell Commands Formatter
Format shell commands as multiline shell commands split on arguments
Tool + practical guideNetwork
Shell Commands Linearizer
Linearize multiline shell commands
Tool + practical guideNetwork
Shutdown Command Generator
Generate shutdown command for various OS
Tool + practical guideMath
SI Prefixes Converter
Convert between Metric Prefixes
Tool + practical guideNetwork
SIP Authorization
This tool helps you to verify the SIP authorization header. The tool performs all calculations in the browser and does not transmit sensitive information over the network, so feel free to use it.
Tool + practical guideData
SLA calculator
Service Level Agreement Calcultator
Tool + practical guideDevelopment
Slugify string
Make a string url, filename and id safe.
Tool + practical guideSecurity
SMART Raw Converter
Convert SMART Raw values to human readable
Tool + practical guideText
Smart Text Replacer and Linebreaker
Search and replace a word on single or multiple occurrences just like windows notepad search and replace. Also allows to manage linebreaking and text splitting
Tool + practical guideSecurity
Snowflake ID extractor
Extract timestamp, machine ID, and sequence number from a Snowflake ID
Tool + practical guideText
Social Link Sharer
Generate share link href for common Social Networks
Tool + practical guideData
Software licence compatibility
Software Licence compatibility checker and information
Tool + practical guideMath
Speed Converter
Convert values between speed units
Tool + practical guideNetwork
SPF DNS generator
Generate SPF DNS TXT record
Tool + practical guideDevelopment
SQL Minifier
Minify SQL queries
Tool + practical guideDevelopment
SQL Parameters Generator
Prepare SQL statement from a given parametrized SQL query and parameters
Tool + practical guideDevelopment
SQL prettify and format
Format and prettify your SQL queries online (it supports various SQL dialects).
Tool + practical guideSecurity
SSL Certificate converter
Convert SSL Certificate from different formats
Tool + practical guideDevelopment
Stacktrace prettier
Highlight .Net and JS stacktraces
Tool + practical guideDevelopment
String Escaper
Escape string to code language version
Tool + practical guideText
String obfuscator
Obfuscate a string (like a secret, an IBAN, or a token) to make it shareable and identifiable without revealing its content.
Tool + practical guideDevelopment
SVG placeholder generator
Generate svg images to use as a placeholder in your applications.
Tool + practical guideImages
SVG Previewer
Preview SVG files
Tool + practical guideText
Tab to Spaces
Convert tab to multiple spaces
Tool + practical guideSecurity
TCPDump Generator
Generate tcpdump command line
Tool + practical guideMath
Temperature converter
Degrees temperature conversions for Kelvin, Celsius, Fahrenheit, Rankine, Delisle, Newton, Réaumur, and Rømer.
Tool + practical guideSecurity
Text Charset Detector/Decoder
Detect text possible charsets and allow to decode using each detected encoding
Tool + practical guideText
Text diff
Compare two texts and see the differences between them.
Tool + practical guideText
Text statistics
Get information about a text, the number of characters, the number of words, its size in bytes, ...
Tool + practical guideText
Text to NATO alphabet
Transform text into the NATO phonetic alphabet for oral transmission.
Tool + practical guideConverters
Text to Unicode
Parse and convert text to unicode and vice-versa
Tool + practical guideText
Text to Unicode Names
Convert a text to its hexadecimal character codes and Unicode Names for each character
Tool + practical guideConverters
Text to UTF-8 binary
Convert text to its UTF-8 binary representation and vice-versa.
Tool + practical guideText
Text Translator
Translate text from one language to another (using opus-mt)
Tool + practical guideDate & time
Time Alarm
Alarm at a specific date and time
Tool + practical guideDate & time
Timezone Converter
Convert Date-Time from a timezone to others and get timezone vs countries infos
Tool + practical guideMath
Tip calculator
Calculate the tip for a bill and split it among multiple people.
Tool + practical guideDevelopment
Tmux Command Cheatsheet
Tmux linux command memo
Tool + practical guideUtilities
Token generator
Generate random string with the chars you want, uppercase or lowercase letters, numbers and/or symbols.
Tool + practical guideData
TOML Linter
Lint and check TOML content
Tool + practical guideData
TOML to JSON
Parse and convert TOML to JSON.
Tool + practical guideData
TOML to YAML
Parse and convert TOML to YAML.
Tool + practical guideText
TOON to JSON
Convert TOON representation to JSON object for LLM usage
Tool + practical guideConverters
Torrent to Magnet
Convert a torrent file to a Magnet url
Tool + practical guideDevelopment
Traefik Docker Compose Maker
Create a docker compose with Traefik labels ready for a given service and options
Tool + practical guideMath
Trigonometric/Equation Curve Visualizer
Visualize trigonometric or equations depending on x
Tool + practical guideDate & time
TTL calculator
TTL to Time converter
Tool + practical guideNetwork
UFW Command Generator
Generate UFW command lines
Tool + practical guideConverters
ULID generator
Generate random Universally Unique Lexicographically Sortable Identifier (ULID).
Tool + practical guideConverters
Unicode Characters to Java Entities Converter
Unicode Characters to Java Entities Converter and vice-versa
Tool + practical guideText
Unicode Formatter
Format text using Unicode fonts
Tool + practical guideData
Unicode Search
Search in Unicode Characters
Tool + practical guideText
Unicode to GSM-7
Encode unicode text to SMS GSM-7 encoding and display related SMS send info
Tool + practical guideSecurity
URL Builder
Allows to edit and build URLs with query parameters
Tool + practical guideDevelopment
Url Cleaner
Clean Ads tracker, UTM, Facebook and other ads provider parameters from an URL
Tool + practical guideDevelopment
Url Fanger
Defang/Refang an URL or email address
Tool + practical guideSecurity
URL parser
Parse a URL into its separate constituent parts (protocol, origin, params, port, username-password, ...)
Tool + practical guideDevelopment
Url Text Search Fragment Maker
Create url that allows linking directly to a specific portion of text in a web document
Tool + practical guideDevelopment
User-agent parser
Detect and parse Browser, Engine, OS, CPU, and Device type/model from an user-agent string.
Tool + practical guideDevelopment
UTM Url Generator
Generate an URL with utm_ parameters
Tool + practical guideUtilities
UUID converter
Converts a UUID with and without a hyphen to other common SQL notations and back.
Tool + practical guideUtilities
UUIDs generator
A Universally Unique Identifier (UUID) is a 128-bit number used to identify information in computer systems. The number of possible UUIDs is 16^32, which is 2^128 or about 3.4x10^38 (which is a lot!).
Tool + practical guideData
VAT Numbers Validator
Validate VAT Numbers
Tool + practical guideDevelopment
VIM Cheatsheet
Vim text editor commands
Tool + practical guideNetwork
Visual Subnet Calculator
A tool for quickly designing networks and collaborating on that design with others. It focuses on expediting the work of network administrators, not academic subnetting math.
Tool + practical guideMath
Volume Flow Rate Converter
Convert values between volume flow rate units
Tool + practical guideMath
Volume Units Converter
Convert values from volume units
Tool + practical guideImages
Watermarker
Add watermark or logo to one or more images
Tool + practical guideDate & time
Week Numbers Converter
Convert between ISO Week number, Week number in month and date
Tool + practical guideDate & time
Which Day?
Given a day and month, and years range, list all day of week a given date is
Tool + practical guideUtilities
WiFi QR Code generator
Generate and download QR codes for quick connections to WiFi networks.
Tool + practical guideNetwork
Wireguard Config Generator
Generate Wireguard Server and Clients configuration files
Tool + practical guideNetwork
WPA PSK generator
WPA Pre-shared Key Generator to convert a WPA passphrase and SSID to the 256-bit pre-shared ("raw") key
Tool + practical guideNetwork
X-VR-SpamCause Decoder
Decode X-VR-SPAMCAUSE header in OVH mails
Tool + practical guideSecurity
X509 certificate generator
Generate a self signed SSL/x509 certificate
Tool + practical guideData
XML formatter
Prettify your XML string into a friendly, human-readable format.
Tool + practical guideData
XML Linter
Lint XML content for syntax error
Tool + practical guideData
XML to JSON
Convert XML to JSON
Tool + practical guideDevelopment
XPath Syntax Cheatsheet
XPath Syntax Cheatsheet
Tool + practical guideData
XPath Tester
Test XPath expression against XML content
Tool + practical guideData
XSLT tester
Allows to test XML transformation using XSLT Stylesheets
Tool + practical guideData
YAML Flattener/Unflattener
Flatten or nestify/unflatten YAML content (ie, a.b: 1 vs a: b: 1)
Tool + practical guideData
YAML Merger
Merge deeply two YAML content
Tool + practical guideData
YAML prettify and format
Prettify your YAML string into a friendly, human-readable format.
Tool + practical guideData
YAML to JSON converter
Simply convert YAML to JSON with this online live converter.
Tool + practical guideData
YAML to TOML
Parse and convert YAML to TOML.
Tool + practical guideText
Zalgo Generator/Banner
Generate Zalgo text and clean zalgo generated text
Tool + practical guideDevelopment
Zellij Command Cheatsheet
Zellij linux command memo
Tool + practical guideDevelopment
ZPool Cheatsheet
OpenZFS/ZPool usage commands and info
Tool + practical guideNetwork
ZPOOL RAID calculator
Determine the usable capacity and other metrics of a ZFS storage pool and compare layouts including stripe, mirror, RAIDZ1, RAIDZ2, RAIDZ3, and dRAID.
Tool + practical guideNetwork
Zxcvbn Password Strength
Compute a given password strength using zxcvbn
Tool + practical guide⌕
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