JWT Tool – Token Decoder

JWT Tool – Token Decoder icon

ASO Keyword Dashboard

Tracking 0 keywords for JWT Tool – Token Decoder in Apple App Store

Developer: 志鹏 潘 Category: developer tools

JWT Tool – Token Decoder doesn't have tracked keywords yet.

No keywords tracked yet

We could not generate keyword insights for this app. Add more metadata or refresh the crawl to populate ASO keywords.

App Description

JWT Tool — The Complete JWT Toolkit

A fast, privacy-first JWT toolkit for developers, security professionals, and learners.
Decode, build, and verify JSON Web Tokens — completely offline.

JWT Decoder
• Paste JWT or extract from clipboard instantly
• View decoded header, payload, and signature
• Real-time expiration countdown timer
• Verify signatures (HS256, RS256, ES256 and more)
• Automatic security vulnerability scanning
• Load example tokens to learn JWT structure

JWT Builder
• Create tokens with customizable claims
• Quick templates: Auth, ID, Refresh tokens
• Support for multiple algorithms (HMAC, RSA, ECDSA)
• Set expiration with quick buttons (+1h, +1d, +7d)
• Random secret key generator with strength indicator
• Real-time token preview with color-coded sections

JWT Learning Guide
• Structured tutorials from beginner to advanced
• Learn JWT basics, structure, and algorithms
• Interactive practice exercises
• Track your learning progress

Developer Tools
• Base64 Encoder/Decoder
• Unix Timestamp Converter
• Cryptographic Key Generator

Security Features
• Detect alg=none vulnerability
• Identify weak secrets and key confusion attacks
• Check missing expiration and required claims

Token History
• Save decoded and generated tokens
• Mark favorites for quick access
• Organize by date

Privacy First
• No account required
• No tracking or analytics
• Works fully offline
• All data stays on your device

Whether you're debugging authentication flows, building secure APIs, or learning JWT concepts, JWT Tool is your essential mobile companion.