JSON to CSV
Convert a JSON array of objects into a downloadable CSV file, ready to open in Excel or Google Sheets.
Runs entirely in your browser — your files are never uploaded to a server.
This tool runs entirely in your browser. Your JSON data is never uploaded to our servers.
How It Works
1. Choose Your File
Drag & drop or select the file you want to work with.
2. Processed in Your Browser
Everything happens locally on your device — your file is never uploaded anywhere.
3. Download Your Result
Get your finished file instantly, ready to save or share.
Frequently Asked Questions
What format does my JSON need to be in?
A JSON array of objects, like [{"name":"Alice","age":30}]. Each object becomes one row.
What if my objects have different fields?
The tool automatically collects all unique field names across every object and uses them as CSV columns.
Can I download the result as a file?
Yes, click "Download .csv" to save the converted data directly to your device.