Bcrypt / Argon2 / PBKDF2 Password Hash Verifier & Generator (Offline & Secure)
Generate Bcrypt, Argon2id, and PBKDF2 password hashes and verify candidate passwords against existing hashes entirely in your browser.
How to use
- Toggle between 'Generate Hash' and 'Verify Password Against Hash' modes.
- In Generate mode: Enter plaintext password, adjust cost rounds or iterations, and copy generated hash.
- In Verify mode: Paste an existing hash ($2b$10$...) and candidate password to receive an instant match verification badge.
Technical Considerations
- Bcrypt 72-byte string truncation limits.
- Support for $2a$, $2b$, and $2y$ hash dialect prefixes.
100% Client-Side Privacy: This tool executes entirely within your browser's runtime environment. No payloads, tokens, or inputs are transmitted to external servers. Safe for offline usage.
Keyboard Shortcuts
- Ctrl/Cmd + KOpen Command Palette
