JwtDecoder
iOS app by 永 张. Utilities · 永 张
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0
- Listing last refreshed
- 2026-09-12
View the original store listing
Store description excerpt
JwtDecoder decodes any JSON Web Token in an instant and shows you exactly what is inside — header, payload, and every claim — without a single byte leaving your device. Built for developers tired of pasting production tokens into random websites, it does the whole job locally. Paste a token and it splits out the header and payload, pretty-prints the JSON, and translates the standard claims into plain language: when the token was issued, when it expires, who it is for, and whether it is already stale. HOW IT WORKS Copy a JWT from your logs, terminal, or browser and paste it in — the decoded claims appear right away. Tap any claim to inspect it, and expiry and issued-at times are rendered as readable dates so you can spot an expired token at a glance. Everything runs offline: no network calls, no accounts, no tracking. FEATURES • Instant local decode of any JWT header and payload • Plain-language summary of standard claims (iss, aud, exp, iat, and more) • Readable expiry and issued-at timestamps • Recent-token history so you can revisit what you decoded • Clean, distraction-free single-screen flow PRO A single one-time unlock adds the full power-user toolkit: • Verify HS256/384/512 signatures locally with your own secret • Build and sign custom test tokens for your own APIs • Batch-decode a whole list of tokens at once and export the results • Unlimited decode history PRIVACY JwtDecoder works entirely on your device. Your tokens, secrets, and history never leave your iPhone — there are no servers, no analytics, and no third-party SDKs. What you decode stays yours. TERMS OF USE (EULA) By downloading this app you agree to Apple's standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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