CSV to JSON
Convert CSV to JSON in your browser. Paste or drop a file; choose headers and delimiter. Local only.
No uploads. No account. Free to use.
Drop a CSV file
Nothing is uploaded. Processing stays on this device.
- Files never leave your device
- Runs entirely in your browser
- No signup required
- Free
What is csv to json?
CSV to JSON parses a delimiter file (optional header row) into a JSON array without a network round trip.
How to use it
- Paste CSV or drop a file.
- Choose header row and delimiter.
- Copy or download JSON. Parsing stays local.
When to use it
Frontend mocks and ETL sketches start as spreadsheet exports. Keep those exports in the tab.
Frequently asked questions
Are my files uploaded?
No. This tool runs in your browser. Files and text stay on your device and are not sent to our servers.
Does this use AI?
No. It is a deterministic utility. There is no model and no third-party processing of your data.
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