Developer Tools

Useful developer tools for everyday tasks.

Everything runs in your browser. No input, token or key is ever uploaded, logged or sent anywhere. There is no server to send it to: this is a static page, and it keeps working with the network switched off.

Input JSON

Append timestamp

Formatted JSON

Original JSON

Modified JSON

Difference

JWT Token

Secret (for HMAC algorithms)

Public Key / Certificate (for RSA, ECDSA)

Header

Payload

Algorithm

Header (JSON)

Payload (JSON)

Secret (for HMAC algorithms)

Private Key (for RSA, ECDSA)

Generated Token

Input

Output

Input

Output

Input (YAML or JSON)

Append timestamp to filename

Output