Crypto & Security Tools
Free online cryptography and security tools for developers. Generate MD5, SHA-256 and SHA-512 hashes, decode and inspect JWT tokens — all processing uses the native Web Crypto API in your browser for maximum security.
JWT Decoder & Debugger
Decode and inspect JWT tokens online. View header, payload and verify JWT signatures.
Hash Generator
Generate MD5, SHA-256 and SHA-512 hashes online. Free hash generator tool.
About Crypto & Security Tools
Free online cryptography and security tools for developers. Generate MD5, SHA-256 and SHA-512 hashes, decode and inspect JWT tokens — all processing uses the native Web Crypto API in your browser for maximum security.
All crypto & security tools on codetools.run run 100% in your browser. No data is ever sent to a server. Just open a tool and start working — no sign-ups, no limits, completely free.