A free, open-source, all-in-one developer toolbox — 22 utilities available in a single progressive web app, with dark mode, search, and offline support.
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Updated
Apr 30, 2026 - JavaScript
A free, open-source, all-in-one developer toolbox — 22 utilities available in a single progressive web app, with dark mode, search, and offline support.
JWT Decoder decodes JWT tokens to reveal header and payload information without performing signature verification.
Decode and inspect JWT tokens instantly. View header, payload, claims, and expiry status. Edit tokens and generate new ones.
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