JSON Formatter

Formats JSON automatically! Open Source, Available with 60+ Themes, Syntax Highlighting, automatically linkifies links and more.

JSON Formatter Chrome Extension

JSON Formatter is a Chrome extension that automatically formats and prettifies JSON, supports syntax highlighting and over 60 themes, and makes links clickable. It has multiple viewing modes and shortcut keys for ease of use.
Install from Chrome Web Store

Extension stats

Users: 40,000+
Rating: 4.50
(34)
Version: Version 2.1.9 Beta (Last updated: 2024-12-25)
Creation date: 2021-09-08
Risk impact: Moderate risk impact
Risk likelihood:
Manifest version: 3
Permissions:
  • storage
  • unlimitedStorage
Host permissions:
  • *://*/*
  • <all_urls>
Size: 104.45K
URLs: Website

Other platforms

Not available on Android
JSON Formatter (v2.0.3.0)
5.00 (4) 2,789+
JSON Formatter (vVersion 2.1.8 Beta)
4.60 (7) 8,589+
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Extension summary

JSON Formatter automatically formats and prettifies JSON in Chrome. It comes with support for syntax highlighting and over 60 themes. It also makes links clickable automatically and has multiple modes to view JSON, including Parsed Mode, Formatted Raw Mode, and Raw Mode.

You can toggle between modes using shortcut keys:

Parsed Mode: P key Formatted Raw Mode: Shift + R key Raw Mode: R key Collapse All: [ Key Expand All: ] Key Toggle Dark Mode: D key Toggle Toolbar: T key

Features: ● Over 60 themes for both light and dark mode ● Syntax highlighting

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User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Great features and easy to switch JSON format types
  • Highly recommended and seen as essential for API work
  • Excellent performance and visually appealing
  • Multiple themes and easy keyboard shortcuts available
Cons
  • Toolbar displays every time a page is loaded and is distracting
  • Has issues with local JSON files not working directly
  • High CPU usage reported when using the extension on certain browsers
  • Dark/light mode toggle issues particularly on Chrome for Ubuntu
Most mentioned
  • Best JSON formatter extension found
  • Ability to customize themes
  • Request for persistent settings (remembering last selected options)
  • Annoyance of non-closeable update banners
User reviews
by Alireza Nick, 2024-12-20

by Joel Vigário, 2024-10-05

this is the best.
by Dogukan Ozen, 2024-09-13
View all user reviews

Extension safety

Risk impact

JSON Formatter requires a few sensitive permissions. Exercise caution before installing.

Risk likelihood

JSON Formatter has earned a good reputation and can be trusted.

Upgrade to see risk analysis details

Promo images

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