JSON & CSV Converter
Validate JSON, format it, or convert tabular JSON and CSV locally.
Free · No sign-up · Runs in your browser
Your result
Choose your settings, then run the tool to see the result.
How to use this tool
- Validate JSON, format it, or convert tabular JSON and CSV locally.
- Choose the input and settings below. Example values can be replaced.
- Run the tool and check the preview and any notices.
- Download the result. Your original input files stay unchanged.
Example inputs are editable. Nothing is sent, published or scheduled.
Scope & privacy
Limits & supported formats: Max file size: 2 MB · Max rows: 10000
No. Processing happens in your browser. No files, email content or calculation inputs are sent to our server.
What should I check before using the result?
Are my inputs uploaded?
No. Processing happens in your browser. No files, email content or calculation inputs are sent to our server.
Scope & privacy
Validate JSON, format it, or convert tabular JSON and CSV locally. Max file size: 2 MB · Max rows: 10000
Put the result to work
Continue in your connected workspace to save, manage and use the result.