JWT Decoder

JWT Decoder is the ultimate developer tool for inspecting JSON Web Tokens (JWT) with ease and security. Designed for developers who prioritize privacy, this app works 100% offline.
Why choose JWT Decoder?
•
🛡️ Total Privacy: No tokens are ever uploaded. Decoding happens entirely on your device.
•
⚡ Lightning Fast: Instant decoding of headers, payloads, and signatures.
•
🎨 Syntax Highlighting: Beautifully formatted JSON with color coding for better readability.
•
🕰️ Expiry Tracking: Real-time countdown for token expiration and "Issued At" timestamps.
•
💾 History & Favorites: Save important tokens locally for quick access later.
•
📤 Easy Sharing: Copy to clipboard or share decoded parts with one tap.
•
🌑 Material 3 Design: A modern, clean interface with full Dark Mode support.
Key Data Insights:
•
Algorithm Detection (HS256, RS256, etc.)
•
Token Type & Key ID
•
User Claims & Custom Data
•
Issued At (iat), Not Before (nbf), and Expiration (exp) times
Perfect for debugging authentication flows on the go without compromising sensitive security tokens