📊 CSV JSON

Free online tool for converting CSV data to JSON and JSON to CSV formats — no signup required.

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Instant Processing

All processing happens in your browser. No server needed.

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100% Private

Your data never leaves your browser. We don't store anything.

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Free Forever

No signup, no limits. Use as much as you need.

What is CSV JSON?

CSV JSON is a free online tool for converting CSV data to JSON and JSON to CSV formats. Whether you are a developer, student, or professional — this tool makes CSV/JSON conversion simple and fast.

How to Use

  1. Enter or paste your data into the input field
  2. Click Process to see the result
  3. Copy the output or use it directly

Features

  • 100% client-side processing — no data sent to servers
  • Works on all devices: mobile, tablet, desktop
  • No registration or signup required
  • Fast and lightweight
  • Free to use without limits