JWT Encoder

Generate JWT Tokens

Professional JWT encoder with multiple algorithms. Generate JWT tokens from header and payload data with cryptographic signing.

Instant Generation
Multiple Algorithms
Completely Free
Algorithm Selection
Header JSON
Payload JSON
Secret Key
Generated JWT Token
Generating JWT token...

Your JWT data is processed securely! No data is stored or transmitted to third parties.

Powerful Features

Everything You Need, Zero Hassle

Generate and sign JWT tokens with our powerful, intuitive tools

JWT Generation

Generate JWT tokens from header and payload with cryptographic signing. Multiple algorithms supported!

Multiple Algorithms

Support for HMAC, RSA, and ECDSA algorithms. Choose the right algorithm for your use case!

Security Warnings

Get security warnings for weak keys, long expiration times, and best practices. Stay secure!

How It Works

Simple, Fast, Secure

Generate JWT tokens in just a few clicks

01
Choose Algorithm

Select signing algorithm (HS256, RS256, ES256, etc.) based on your security requirements.

02
Add Header & Payload

Enter JWT header and payload JSON with your claims, expiration times, and custom data.

03
Provide Secret Key

Enter your secret key or private key for cryptographic signing. Supports HMAC, RSA, and ECDSA keys!

04
Generate & Use

Get your signed JWT token with metadata and security warnings. Perfect for testing and development!