Developer tools / Passwords, keys and certificates
Password strength checker
How long a password would take to crack, checked in your browser.
Runs in your browser — your data stays on your deviceResult
More passwords, keys and certificates
Password generatorStrong random passwords from your browser's secure random generator.
Passphrase generatorEasy-to-type passphrases of random words.
UUID generatorRandom UUID v4 or time-ordered v7.
ULID generatorSortable unique IDs (ULID).
NanoID generatorShort URL-friendly unique IDs.
Random string generatorRandom strings from the characters you choose.
Random number generatorRandom whole numbers in a range, with or without repeats.
API key generatorSecure random API keys and secrets in hex or Base64.