Convert JSON / YAML / CSV / XML

Convert data between 4 formats and validate along the way, all local.

One vote per browser. A higher count helps Plainjar prioritize what ships first. No promise, no waitlist.

What this tool will do

JSON ↔ YAML ↔ CSV ↔ XML with live preview and syntax validation.
Sensitive API responses or configs never have to leave your browser.
No 'sign up to access the second format'. Four conversions, one tool, paste freely.

Get a heads-up when Convert JSON / YAML / CSV / XML goes live. One email when it's ready, nothing else.

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