Password Toolkit

Secure generators, an honest strength analyser, site-rule checker and AES encryption, in your browser.

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✓ Setup/usage instructions included
✓ Actually run before listing

Disclaimer: Strength figures are estimates from patterns and small built-in lists; the tool cannot know if a password has leaked or been reused, and no password is uncrackable. General information, not personal security advice.

Generate random passwords, passphrases, pronounceable passwords, PINs and memorable phrases using your browser's secure random generator with no modulo bias, and see exactly how many bits of real randomness each one carries. Check any password with a pattern analyser that explains what it found and what to change, test it against a site's rules, and lock a note with AES-256-GCM. Passwords you generate or type are never stored or sent anywhere.

Runs where you work

desktopmobileoffline

Built for a private workflow: local-first execution, no forced cloud dependency, and a clear path to use it on a laptop or phone without an API key.

Included value

Per-site rule presets and a rule reader that fits your password to the site's wordingStrength checker with keyboard walks, dates, leetspeak, common-password variants and crack-time ranges with assumptions shown2,048-word passphrase list and a memorable mode built around your own wordsEncrypt and decrypt text with a passphrase (AES-256-GCM, PBKDF2 600,000 rounds), with tamper detectionUUIDs, tokens, dice, unbiased random numbers, SHA hashes of text or files, and HMACPassword hygiene checklist with a score and a next step

Each product is designed to feel personal, useful, and complete without turning your work into an external dependency.

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Preview

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This product is a live, in-browser experience — not a file to preview.

Free to play right now, in this browser, no download or account required.

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What's included

Live tool at /play/password-toolkit (free, unlimited use)
Commercial license: white-label/embed this tool on your own site

Built with

TypeScriptReact

Runs in your browser: nothing to install

scripts/test-password-toolkit.ts passes 440 checks, including exact unbiased-sampling proofs, entropy counts checked against brute force, RFC 4231 HMAC and SHA known answers, encryption round-trips with tamper tests, and a 2,048-word list checked for duplicates, homophones and offensive words.

License & pricing

Try it before you buy. This tool is free to use on the site: open it.

Free to Use

Free

For your own work or your own business. No client work, and no resale or redistribution of the files.

Embed / White-Label License

$34

Use across client work or resell the output. No reselling the source files/template itself.

What these licenses mean →

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