JSON to CSV Converter
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How to use JSON to CSV
- Choose your file (or drop it onto the page).
- Adjust the options shown.
- Select the action button and wait for it to finish.
- Review the result, then download it.
What to expect
A new file is created. Your original file is never modified.
- Arrays longer than 20 items inside a record are stored as JSON text in one cell.
- Cells beginning with = + - @ are prefixed with an apostrophe to prevent formula injection.
Frequently asked questions
How do I convert JSON to CSV?
Choose your JSON file (or paste its text), check the preview, pick the options and select Convert. You can edit the CSV output before downloading it.
Is my data uploaded anywhere?
No. The data is read and processed by JavaScript in your browser. Only the website's own code and assets are downloaded.
Do I need to create an account?
No. Every tool works without sign-up or login.
Is it safe for confidential documents?
Files are processed locally in your browser and never uploaded. Close the tab or select Clear to release them from memory.