devcrate / Dev Utilities / CSV to JSON Converter
Dev Utilities
CSV and JSON, either direction.
Paste a CSV (with or without a header row) to convert it to a JSON array of objects, or paste a JSON array to get CSV back out.
runs entirely in your browser — nothing is uploaded
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How to use the csv to json converter
- Paste CSV data, or click Load sample to try it.
- Leave "first row is header" checked if your CSV has column names in row one.
- Click CSV → JSON, or paste a JSON array and click JSON → CSV to go the other way.
Frequently asked questions about the CSV to JSON Converter
Is my data uploaded anywhere when I use the CSV to JSON Converter?
No. The CSV to JSON Converter runs entirely in your browser using JavaScript — nothing you type, paste, or select is sent to any server. You can confirm this yourself by opening your browser's network tab while using it.
Is the CSV to JSON Converter really free, and do I need an account?
Yes — the CSV to JSON Converter is completely free, with no account, sign-up, or usage limit.
Does it work on mobile and in any browser?
The CSV to JSON Converter works in any modern browser — Chrome, Firefox, Safari, or Edge — on desktop or mobile, since it's built with standard HTML, CSS, and JavaScript with no special requirements.