Developer
JSON to CSV Converter
Convert JSON arrays of objects into CSV text locally.
About this json csv converter
Convert JSON arrays into CSV for spreadsheets, imports, quick exports, and data cleanup tasks.
Mavis Tools is built for quick utility work: paste the input, get the result, and move on. The page is static-first for speed, and the interactive work happens in your browser. That makes it useful for drafts, calculations, debugging snippets, and repeat everyday tasks.
This tool is intentionally focused. It does one job clearly instead of asking for an account or hiding the result behind a long workflow. Bookmark it if you need a fast json to csv converter that works on desktop and mobile.
FAQ
What JSON shape is supported?
The first version expects an array of objects.
Are commas escaped?
Yes. Values with commas, quotes, or line breaks are wrapped and escaped.
Is data uploaded?
Yes. The tool runs in your browser, and the input is not uploaded to a server.