CSV ↔ JSON Converter - Online Table to JSON

Free CSV ↔ JSON converter. Convert CSV tables to JSON arrays, or JSON to CSV, locally in your browser. Supports comma/semicolon/tab delimiters and field escaping. 100% local, no upload.

About 编码 / 开发

Convert CSV and JSON both ways locally, multiple delimiters. This tool runs entirely in your browser locally — no file upload, your privacy is protected, and speed is unaffected by network.

FAQ

Will my files be uploaded?

No. All processing happens locally in your browser; files never leave your device.

Which formats / scenarios are supported?

csv to json, json to csv, csv converter, table to json, online csv, json to csv and more can be done on this page.

Do I need an internet connection?

After the page loads, conversion/computation runs locally and works offline (except features relying on external fonts/libraries).