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Convert.csv

Convert CSV to JSON online

100% localFiles never leave your device — no upload, no account, no tracking.
About CSV to JSON

Turn a CSV file into structured JSON — one object per row, keyed by the header columns — ready for APIs, configs, and scripts. We parse the CSV locally with PapaParse.

The conversion runs entirely in your browser. Your data never leaves your device.

How it works
  1. 01

    Add a CSV

    Drop your CSV file onto the page or pick it from your device.

  2. 02

    Convert

    Click Convert to parse the rows into JSON locally.

  3. 03

    Download

    Save the JSON file.

Features
structured datadev-friendlyno install
Frequently asked
How does the CSV to JSON converter work?
Turn a CSV file into structured JSON — one object per row, keyed by the header columns — ready for APIs, configs, and scripts. We parse the CSV locally with PapaParse.
Are my files uploaded to a server?
No. Everything runs entirely in your browser using local JavaScript and WebAssembly. Your files never leave your device.
Does it cost anything or require an account?
No. The converter is free, needs no sign-up, and runs locally in your browser.
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