CSV to JSON
Convert CSV rows into a JSON array of objects using the header row as keys, or convert a JSON array of objects back to CSV.
Available Tools
30
PDF, files, images, salary
Supported File Formats
9
Documents, sheets and data
Processing Mode
In your browser
No server processing
Privacy Status
No uploads
Files stay on your device
Drop your file here
or click to browse
CSV, JSON · up to 20 files, 50.0 MB each. Converted on your device.
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How to use it
- Choose a .csv or .json file.
- Pick the output format.
- Select Convert and download.
Limits and known limitations
- JSON input must be an array of objects (or a single object). Nested values are written to CSV as JSON text.
- Files up to 50 MB.
Frequently asked questions
What if my JSON is invalid?
The converter reports the parsing error instead of producing a partial file.