Passphrase Generator API

Random diceware-style passphrases from the EFF large word list (7,776 words), chosen with a cryptographic random source, with their entropy in bits.

POST /api/v1/tools/passphrase-generatorMCP passphrase_generatorSecurity & PrivacyRandom output

Generate memorable diceware-style passphrases from the 7,776-word EFF list using secure randomness. Pick words, separator and extras. Runs in your browser.

Input

Send these as a JSON object. Unknown fields are rejected.

words: Words per passphrase (3 to 12); each adds about 12.9 bits. 6 is a good default. (integer, 3 to 12, default 6)
separator: Character between words. (string, one of space, hyphen, dot, underscore, none, default "hyphen")
capitalise: Capitalise the first letter of every word. (boolean, default false)
addDigit: Append one random digit to one random word (for sites that demand a number). (boolean, default false)
count: How many passphrases (1 to 50). (integer, 1 to 50, default 1)

Try it in the browser JSON Schema Get an API key

curl https://pithlab.com/api/v1/tools/passphrase-generator \n  -H "Authorization: Bearer $PITHLAB_KEY" \n  -H "Content-Type: application/json" \n  -d '{"words":5,"separator":"hyphen","count":2}'