THE PRACTICAL GUIDE · NORMANDIN SYSTEMS
Get more from Diceware Password Generator
Diceware Password Generator: Generate random password using Diceware method. A Diceware-style phrase derives its search space from independent word choices, making word count and list size more meaningful than visual complexity alone. Random identifiers and secret values require deliberate choices about length, allowed characters, and how the result will be used. An identifier can be unique enough for an application without being suitable as an authentication secret. Restrictions imposed by databases, URLs, forms, or human transcription can also affect the useful character set. Generate a small sample first to confirm compatibility, then consider collision handling and storage in the destination system. Example values in documentation are public and should never become real credentials or reusable access codes.
Guide updated October 13, 2026
How to use this tool
- Begin with a representative input. For a practical test, use: A selected number of randomly chosen words. Replace demonstration values only after you understand the output.
- Choose the available length, quantity, and character options to match the destination’s documented input requirements.
- Generate a sample and inspect its characters, leading zeros, and separators before requesting or copying a larger set.
- Use the result in the intended system with appropriate uniqueness checks or secret storage according to its purpose.
SEE IT IN PRACTICE
A worked example
A selected number of randomly chosen words
A multiword passphrase from the tool’s word list
Keep the complete generated phrase and separators exactly as required by the destination account.
Random selection is the important ingredient
Word-based passphrases use a word list as an alphabet. If each word is independently selected from the full list, increasing the word count expands the possible space. Human-chosen sentences do not follow that same model. Avoid editing a generated phrase into a well-known expression simply because it feels easier to remember; that changes the assumptions behind its strength.
Make the phrase usable in its destination
Check maximum length, accepted spaces, punctuation, and case handling before saving a phrase for an account. Preserve the exact chosen representation in a password manager if appropriate. A memorable phrase still needs to be unique to its account and protected from disclosure. Use public example phrases only for demonstrations, never as credentials shared by a team or copied into a live service.
When this tool is useful
- Create a fresh passphrase
- Explore word-count tradeoffs
- Generate a sample phrase format
Tips for a better result
- Replacing random words with a personally meaningful quotation changes the generation process and usually reduces unpredictability.
- Treat generated secrets as credentials, and do not place them in screenshots, public examples, or shared diagnostic logs.
- Length and alphabet both affect the number of possible values; a short numeric code has far fewer possibilities than a long random string.
Frequently asked questions
Does adding a familiar word make a passphrase stronger?
Security depends on the generation process. Independently selected random words add uncertainty, while a predictable personal phrase or quotation may add much less than its length suggests.
Can I use an example as a real secret?
No. Any value printed in a guide or shared example is already known. Generate a fresh value and follow the destination system’s requirements for length, storage, expiration, and access control.
Should I store a numeric-looking value as a number?
Not when its exact characters matter. Codes and identifiers can contain leading zeros or exceed numeric precision limits. Preserve them as strings unless the destination explicitly treats them as arithmetic values.
What happens to the information I enter?
The utility processes your input in this browser. Some tools retain field values in browser storage or the URL; avoid entering secrets in shareable fields. Page and asset requests still go to the hosting provider. Read the privacy and offline-use notes for details.