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JSON Formatter

Format JSON with readable indentation locally.

Processing… JSON tools

Tool guide / ONLY MY KIT

Format JSON for easier reading

Pretty-print compact JSON while keeping API data and pasted content inside your browser.

01

What you can do

  • Formatting parses standard JSON and writes it with two-space indentation. Comments, trailing commas and single-quoted strings must be corrected first.
  • For example, {"count":1.0} is written with the number 1. Parsing can also round integers outside JavaScript's safe range; store exact identifiers as strings.
02

How to use it

  1. Paste the JSON text.
  2. Run formatting and confirm that the JSON parses successfully.
  3. Copy or download the readable result.