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// a sandbox of 139 sharp tools

Every little generator
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QR, barcodes, bcrypt hashes for PHP, UUIDs, JWT decoders, color palettes — fast, local, no signup. Search the sandbox and start.

JWT Decoder

Developer · tool

JWT Decoder

Decode and inspect JSON Web Tokens.

Header

{
  "alg": "HS256",
  "typ": "JWT"
}

Payload

{
  "sub": "1234567890",
  "name": "John Doe",
  "iat": 1516239022
}

Signature

SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c

// about the sandbox

The small utilities you need,
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Every generator runs entirely in your browser. Your inputs never leave the page — no servers, no logging, no tracking pixels. Open the tool, get the thing, close the tab.

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