JWT Decoder

yasien studio

About this app

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

What’s new

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Initial release of JWT Decoder.
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Complete offline decoding support.
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Syntax highlighting for JSON payloads.
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History and Favorites management.
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Material 3 UI with Dark/Light mode support.