Free Security tools
About Security tools
Free tools for passwords and cryptography — strong password generation, hash generation, and JWT decoding. All run in your browser with no signup, useful for creating secure credentials and inspecting tokens.
Tools tagged Security
Password Generator
Generate strong, random passwords in bulk with custom length, character sets, and excluded characters. Nothing is stored. Runs entirely in your browser.
- Generator
- Security
JWT Decoder
Decode a JWT into header, payload, and signature, with iat/exp/nbf shown as readable times and HS256/384/512 verification. Runs entirely in your browser.
- Encode / Decode
- Security
- Development
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files, with HMAC and expected-digest comparison. Runs entirely in your browser.
- Generator
- Security