JWT Payload Viewer
JWT Payload Viewer is a Firefox extension that decodes compact JSON Web Token headers and payloads locally. It displays common time claims and lets users copy decoded JSON or a compact report without verifying signatures.
Overview
7 featuresJWT Payload Viewer sits in PulseGate's Browser DevTools & extensions category. It focuses on inspecting JWT headers, payloads, and time claims without sending tokens to an external service. JWT Payload Viewer is a consumer product aimed at developers and security professionals. JWT Payload Viewer is free to use. It runs on the web, embeddable surfaces, macOS, Windows, and Linux.
It is developed by Ivan, and it first shipped in 2026. Among its 7 catalogued features are JWT decoding, header inspection, and payload inspection. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
- JWT decoding
- Header inspection
- Payload inspection
- Time claims
- JSON copying
- Compact reports
- Local processing
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed7 Sept · 00:17 UTCJWT Payload Viewer verified via Firefox Add-onsSource: Firefox Add-ons · Open
Frequently asked questions about JWT Payload Viewer
- What is JWT Payload Viewer?
- JWT Payload Viewer focuses on inspecting JWT headers, payloads, and time claims without sending tokens to an external service. It is catalogued under Browser DevTools & extensions on PulseGate.
- Who is JWT Payload Viewer for?
- JWT Payload Viewer is a consumer product built for developers and security professionals.
- Is JWT Payload Viewer free?
- Yes — JWT Payload Viewer is free to use.
- What platforms does JWT Payload Viewer run on?
- JWT Payload Viewer runs on the web, embeddable surfaces, macOS, Windows, and Linux.
- Is JWT Payload Viewer still maintained?
- Unverified. JWT Payload Viewer has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
- What projects are similar to JWT Payload Viewer?
- Similar projects tracked by PulseGate include JSON Viewer Pro, Token Inspector, and Free JWT Decoder.JSON Viewer ProToken InspectorFree JWT Decoder
- Who makes JWT Payload Viewer?
- JWT Payload Viewer is developed by Ivan.
- When did JWT Payload Viewer launch?
- JWT Payload Viewer first shipped in 2026.
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