Paste a JSON Web Token to decode its header and payload.
Your data is processed entirely in your browser. Nothing is stored, logged, or sent to a server.
ASCII / Char Code Viewer
Paste a string to see each character with its numeric code point underneath.
Chmod Calculator
Toggle permissions or enter a number to see the chmod breakdown.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text.
Secret / Token Generator
Generate cryptographically random secrets and tokens for API keys, JWT secrets, and more.