Does my JSON file get uploaded?

No. Selected and pasted JSON contents are parsed in your browser.

Which JSON can become CSV?

A non-empty root array of objects can be exported using the ordered union of its keys.

BROWSER-LOCAL JSON TOOL

Open or paste JSON, inspect its structure, format or minify it, and export object arrays to CSV. Your contents stay in this browser.

No uploadUp to 50 MBNo signup

Choose a JSON fileor drop it here · maximum 50 MB

or paste JSON

The tree keeps nested objects and arrays legible. Raw view provides normalized, valid JSON, while object arrays gain a spreadsheet-like table.

Opening input validates its syntax. Helpful errors point near the problem without exposing internal parser details.

File and pasted contents are processed locally. Ordinary requests for this page and its assets still reach our hosting provider.