toolboxapp

API JSON to CSV Converter

Convert flat API JSON arrays into CSV rows and columns locally in your browser.

Take an API response made of a JSON array of objects and turn it into CSV for analysis or sharing.
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Data Tools

Free  ·  Local browser processing  ·  No signup

What this tool helps you do

Take an API response made of a JSON array of objects and turn it into CSV for analysis or sharing.

This page uses the same tested JSON to CSV engine as the main tool, but focuses on this specific task so you can get straight to the relevant workflow without hunting through a generic converter.

How to use it

  1. Paste or enter the content you want to process in the tool above.
  2. Use the preselected mode when this task has a specific mode, then click Run.
  3. Review the output, then copy or download it if the tool provides a download option.

Common uses

  • Exporting REST API results
  • Creating ad-hoc reports
  • Moving developer data to spreadsheets

Example

Input: [{"id":1,"status":"open"},{"id":2,"status":"closed"}]

Expected result: id,status 1,open 2,closed

Useful tip

Make sure the API response is the array itself rather than an outer object such as {data:[...]}.

Frequently asked questions

Is this tool free?

Yes. The tool is free to use, requires no account and runs directly in your browser.

Is my input uploaded to a server?

No. The tool processes the input locally in your browser. Your tool input is not sent to ToolboxApp servers.

When should I use JSON to CSV?

Exporting REST API results, creating ad-hoc reports, or moving developer data to spreadsheets.