Generate strong, random passwords with full control over length and character set — uppercase and lowercase letters, numbers, and symbols. The strength indicator updates as you adjust the options so you can find the right balance between security and compatibility with password rules. Passwords are generated entirely in your browser using the Web Crypto API and are never transmitted anywhere.
Verify a file's integrity by checking its hash against an expected checksum. Supports SHA-256, SHA-1, MD5, and more. Runs in your browser — nothing uploaded. Free.
Paste a JSON Web Token to decode and inspect its header, payload, and expiry — entirely in your browser.
Test regular expressions against a string with live match highlighting, flag toggles, and a match details table.