JSON Formatter
Format or minify JSON, with a clear error if it is invalid. Works in your browser only. Nothing is uploaded.
How to use JSON Formatter
Paste JSON, press Format JSON or Minify, then copy the formatted result.
Why use JSON Formatter on 1xmobcas?
JSON Formatter is free, works in your browser, needs no signup, and your files are not uploaded. It is part of the 22 free tools on 1xmobcas, with Image, PDF, Text, Developer and Calculator tools, all tested with real outputs and downloads.