Free online utility · Gentooly
Turn CSV data into JSON
Paste CSV and get a JSON array of objects, with the header row used as keys. Handy for APIs, config files and quick data cleanups.
Use the interactive tool to complete your task. Core utilities are free to use. AI Studio, our separate AI product, is coming soon.
Use CSV to JSON →How to use this tool
- Open the CSV to JSON tool and paste your CSV, including the header row.
- Run the conversion.
- Copy or download the JSON result.
Common questions
How are the JSON keys chosen?
The first row of the CSV is used as the header, so each column name becomes a key in every JSON object.
Can I convert JSON back to CSV?
Yes. Use the JSON to CSV tool.
Is my data uploaded?
This conversion is designed to run in your browser. Check the tool interface and privacy notice for the current processing behaviour.