CSV to JSON
Turn header-based CSV rows into JSON objects. Quoted cells and line breaks are supported.
Enter text to get started.
Converting your file
Working on your device…
What this tool does
Turn header-based CSV rows into JSON objects. Quoted cells and line breaks are supported.
Select a supported file or paste text.
Use the options shown in the workspace.
Download the result and review it on your device.
When to use csv to json
Turn rows with a header row into JSON objects.

How to use csv to json
- Paste the text or data into this tool’s input.
- Review the csv to json options shown above.
- Run the tool and inspect the result before copying it.
Frequently asked questions
How does CSV to JSON work?
Choose the input, adjust any available options, and run the tool. Turn header-based CSV rows into JSON objects. Quoted cells and line breaks are supported.
Is my file uploaded to ConvertExpress?
No. This demo performs this conversion in your browser. The site downloads its interface and code, but it does not upload the selected file for this tool.
Will the output always match the original?
Turn header-based CSV rows into JSON objects. Quoted cells and line breaks are supported. Check the result before using it for important work.
How are CSV column names selected?
The first row becomes the property names for each subsequent record. Use distinct headers; repeated names cannot represent separate properties in one JSON object.