READY

JSON Formatter

Format, validate, and inspect JSON without it going anywhere.

This tool is complete. Checkout is not open yet — no waitlist tricks, the button simply starts working when it is.

What you get

50 MB files stay responsive — parsing runs in a worker
Precise error locations, tree view, path queries
Your data is never transmitted

Sold as a download

macOS (signed & notarized) · Windows — a desktop app you install and own. One purchase covers both platforms, and your downloads live in your account, so you can always come back for them. Because the app runs on your machine, it keeps working with no subscription and no server on our side.