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Private · On-device

Convert CSV to JSON

Turn a CSV export into structured JSON for apps, APIs and configs. Headers become keys automatically — all processed locally.

Convert CSV to JSON now →

Runs in your browser · or get the Android app

How it works

  1. Open the Convert CSV to JSON tool in your browser — no install, no sign-up.
  2. Choose your file — it is converted right on your device, never uploaded.
  3. Download the result in seconds.

Supported formats

CSV → JSON

Why File Frog?

Your files are converted entirely on your device — nothing is uploaded to a server and there is no sign-up. Convert right here in your browser on any device, or get the Android app for an ad-free experience that works offline.

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