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JWT Toolkit

Decode any JWT and see when it expires.

Decode and inspect JSON Web Tokens: header, payload, claims and expiry.

  • Side panel
  • Right-click menu
  • Command palette
Add to Chrome(opens the Chrome Web Store in a new tab)or pressCtrlShiftSpace
One Panel Search tools

JWT Toolkit

Side panel

Header & payload

Ready01 / 04

01Features

What it does

  1. 01Header & payload
  2. 02Claim badges
  3. 03Expiry countdown
  4. 04Local only

02Use cases

When you'll reach for it

Debug an auth bug
Check which scopes a token has

How to open it

  1. 1

    Side panel

    Click the One Panel icon in the toolbar and search for “JWT Toolkit”.

  2. 2

    Command palette

    Press Ctrl + Shift + Space on any page and type its name.

  3. 3

    Right-click menu

    Right-click selected text, then choose One Panel → JWT Toolkit.

Privacy

  • Runs entirely inside your browser. No account, no analytics, no remote code.

Keep going

Pairs well with

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Cryptographically random numbers, strings, hex, UUIDs and NanoIDs.

Privacy

Ad Blocker

Block ads and trackers on websites and YouTube. Per-site allowlist and filter lists.

Get JWT Toolkit and 80 more

One install adds every tool to your side panel. No account, nothing to configure.

Add to Chrome(opens the Chrome Web Store in a new tab)