JSON Formatter FAQ — ComTools

Browser-only JSON format, minify and validate on ComTools — no upload, free, no signup.

How to use

  1. Open — https://comtools.cn/json-formatter
  2. Paste — Paste JSON
  3. Format — Click format / minify / validate

FAQ

Is JSON formatted on the server?

No. /json-formatter runs in your browser; input never uploads.

Can I minify JSON?

Yes. Use the minify / compress action on the same page.

Does it validate JSON?

Invalid JSON shows a parse error so you can fix syntax quickly.

English UI?

Open /en/json-formatter.

Related tools?

JSON tree, compare, to Excel/CSV and more under /json-tools.