Free Online CSV to JSON Converter
Convert CSV into a JSON array of objects, using the first row as keys, with optional number detection.
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How to use the csv to json converter
- Type or paste your input, or choose a file to load it.
- Adjust the options shown below the input.
- Run the tool, then copy or download the result.
Good to know
All values are text unless you enable number detection. Inconsistent rows are padded with empty values.
Common uses
- Move data between apps and formats.
- Clean up text and data for scripts or spreadsheets.
- Convert quickly without installing software.
Frequently asked questions
Are my files uploaded to a server?
No. This tool runs in your browser and your file is not sent to our server or stored. Ads or analytics, when enabled, may make their own network requests; see our Privacy Policy.
What are the limits of the csv to json converter?
All values are text unless you enable number detection. Inconsistent rows are padded with empty values.
Is the csv to json converter free?
Yes. It is free, needs no account and has no watermark.