Skip to main content

FreeToolsUseAI Tools Dashboard

Library

All Tools
184
AI Tools
5
Content Tools
8
SEO Tools
1
PDF Tools
5
Image Tools
3
Color Tools
24
Video Tools
3
Developer Tools
56
Marketing Tools
2
Productivity Tools
36
Scientific Tools
41

Settings

All Tools
Developer Tools
JSON Beautifier

Categories

AI Tools
Content Tools
SEO Tools
PDF Tools
Image Tools
Color Tools
Video Tools
Developer Tools
Marketing Tools
Productivity Tools
Scientific Tools

Collections

Free YouTube Tools
Free DNS & Network Tools
Free SSL & Security Tools
Free PDF Tools
Free CSS Generators
Free Finance Calculators
Free JSON & Data Tools
Free Text & Writing Tools

Resources

All Tools
Guides
All Collections

Company

About
Contact
Privacy Policy
Terms of Use

© 2026 FreeToolsUse. All rights reserved.

Free online tools. No signup. Built for speed and privacy.

More Developer Tools

HTML FormatterFormat and beautify HTML markup with indentation, readable tag breaks, and optional minification.
CSS FormatterFormat and beautify CSS stylesheets with indentation, readable rules, and optional minification.
JSON FormatterFormat, minify, and validate JSON with precise error locations.
JSON to XMLConvert JSON to clean, indented XML with configurable root and item element names — entirely in your browser.
XML to JSONConvert XML into clean JSON with attribute handling, type parsing, and adjustable indentation — all in your browser.
JSON to YAMLConvert JSON into clean, readable YAML with adjustable indentation — entirely in your browser.

Part of:Free JSON & Data Tools

JSON Beautifier

Beautify and explore JSON with adjustable indentation, key sorting, a collapsible tree view, and structure stats.

Input JSON

{
  "id": 42,
  "name": "Ada Lovelace",
  "active": true,
  "roles": [
    "admin",
    "editor"
  ],
  "profile": {
    "city": "London",
    "born": 1815,
    "links": {
      "github": null
    }
  }
}

9Total keys

4Objects & arrays

3Max depth

Everything runs locally in your browser — your JSON is never uploaded.