How to Use the JSON Formatter

TL;DR

  1. Open JSON Formatter.
  2. Paste JSON → click Format.
  3. Copy or Download the pretty output.

Example

Input:

{"user":{"id":1,"name":"Alice","active":true}}

Output:

{
  "user": {
    "id": 1,
    "name": "Alice",
    "active": true
  }
}

Pro tips

  • Enable Auto‑Correct JSON to fix common issues (quotes, trailing commas) before formatting.
  • Use the Copy button for clipboard; Download saves a file.
  • Tree view is available on the homepage tool for quick inspection.

Edge cases

  • Extremely large JSON renders, but avoid pasting > few MB for browser performance.
  • Strings with invalid escapes need fixing (use Validator after formatting).

Related

JSON Validator ·Schema Validator ·JSON Converter