free · no account · no watermark
Convert a data file
Move between CSV, JSON, YAML and XML with the row count checked both ways. Runs in your browser — the data never leaves the tab.
Type detection off by default, so 007 stays 007 and not 7.
No file at hand? Open File Converter anyway →
Your browser would not let the file travel between pages (private mode does this) — open File Converter and drop it there instead.
Three steps · no account
How the room works
Watch it run — or tap a step to see where it happens.
Three questions
Questions
Is File Converter free?
Yes — free, with no watermark, no account and no daily cap. It runs entirely in your browser, so there is nothing to meter.
Does my file get uploaded?
No. Everything happens in this browser tab — the file never leaves your device. You can keep the Network tab open while it runs: no request carries your file.
Do I need an account?
No. This tool is exactly the same signed in or out.
Open File Converter
Free, no account — and your file never leaves your device.