CSV ↔ JSON Converter
Convert CSV to JSON and JSON to CSV with live preview.
Input
Output
Conversion runs entirely in your browser. No data is uploaded.
CSV ↔ JSON Converter runs entirely in your browser, so your file files never leave your device. Choose a file, make your changes, and save the result instantly — fast, free, and completely private.
How to csv ↔ json converter
- 1Choose CSV → JSON or JSON → CSV mode.
- 2Paste your data or load a sample.
- 3Configure delimiter and parsing options.
- 4Click Copy or Download to save the result.
Use cases
- Convert a CSV export to JSON for an API.
- Transform JSON data into CSV for Excel.
- Migrate data between formats for database imports.
100% Private
Your files are processed locally and never leave your device.
Free
No paywall, no premium tier, no hidden fees.
Unlimited
Use it as many times as you want — no daily caps.
No Watermarks
No sign-up, no branding, no watermark on your output.
Frequently asked questions
Do these tools work offline?
Once the page has loaded, most tools run entirely in your browser without an internet connection. Your files and data never leave your device.
Does this upload my file?
No. Your file stays on your device the whole time. LoveMyFile runs entirely in your browser, so nothing is uploaded to a server, queued in the cloud, or copied off your computer.
Is this free?
Yes. Every tool is free and unlimited — no account, no paywall, and no daily caps. Because the work happens locally in your browser, there are no per-file or per-page charges.
Does it work offline?
Yes. Once the page has loaded, the tools run entirely in your browser, so you can disconnect from the internet and keep working. AI-powered tools download a small model on first use and then also run offline.
