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JSONLab Toolkit

Format, validate, convert, or inspect JSON/JWT locally in the browser.

JSONLab is a browser toolkit for JSON and JWT work — format, validate, convert, and debug without creating an account.

Open JSONLab ToolkitAbout privacy

How to use it

  1. Open JSONLab.
  2. Paste or type your JSON or JWT in the editor.
  3. Choose format, validate, convert, or JWT tools as needed.
  4. Copy or download results from your browser session.

Inputs

JSON text, JWT strings, or conversion payloads you paste locally.

Outputs

Formatted/validated/converted text or JWT views in the tool UI.

Privacy

Payloads you paste are processed in the browser for tool runs — not uploaded to Bebpop as a required step to use the toolkit.

Features

  • JSON formatter & validator
  • JWT decoder / encoder / verifier
  • JSON ↔ YAML ↔ XML ↔ CSV converter
  • Base64 encode/decode
  • JSON diff & JSONPath query
  • JSON Schema & TS interface generator

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