JWT Generator - Token Tool

JWT Generator is a simple and powerful tool for developers to create, decode, and verify JSON Web Tokens (JWT) directly on your Android device.

KEY FEATURES:

🔐 Generate JWT Tokens

• Choose from HS256, HS384, or HS512 algorithms

• Add standard claims: Issuer (iss), Subject (sub), Audience (aud), Expiration (exp), Issued At (iat), JWT ID (jti)

• Add unlimited custom key-value claims

• Automatic type detection for numbers, booleans, and strings

• Color-coded token output (Header • Payload • Signature)

• One-tap copy to clipboard

🔍 Decode JWT Tokens

• Paste any JWT token to instantly decode it

• View formatted JSON header and payload

• Color-coded display for easy reading

• Paste directly from clipboard

✅ Verify Signatures

• Verify HMAC signatures with your secret key

• Clear valid/invalid signature indication

• Support for HS256, HS384, and HS512

🎨 User Experience

• Clean Material 3 design

• Dark mode support

• No internet required — everything runs offline

• No data collection — your tokens stay on your device

Perfect for mobile developers, backend engineers, API testers, and security professionals who need to quickly work with JWTs without opening a laptop.