JSON Formatter

Makes JSON easy to read. Open source.

JSON Formatter: Chrome Extension for Easy JSON Readability

"JSON Formatter" is a user-friendly Chrome extension designed to simplify the reading of JSON by automatically formatting it when loaded in a browser. It offers convenient features such as syntax highlighting, collapsible trees with indent guides, clickable URLs, and a dark mode. Despite its feature richness, it has negligible performance impact on non-JSON pages. Moreover, it respects user privacy with no tracking or advertisements.
Download
Install from Chrome Web Store

Extension stats

Manifest V3
Users: 2,000,000+
Rating: 4.59
(1,875)
1 new ratings
Version: 0.7.3 (Last updated: 2024-03-28)
Creation date: 2020-04-20
Permissions:
  • storage
Host permissions:
  • *://*/*
  • <all_urls>
Size: 20.34K
URLs: Website
Full description: See detailed description

Ranking

# 194 ▲ 66
Other rankings
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Other platforms

Not available on Android
Not available on Firefox
Not available on Edge

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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.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
  • Transform messy JSON strings into a beautifully formatted structure
  • Intuitive and user-friendly interface
  • Saves time and effort for developers
  • Highly recommended for those who work with JSON regularly
  • Works perfectly for most users
Cons
  • Conflicts with Chrome's built-in pretty print feature
  • Lack of guidance on some specific uses
  • Missing line number feature
  • Some users experienced functionality issues
Most mentioned
  • Great tool for developers
  • Effortlessly formats JSON
  • Highly recommended and loved by users
  • Works beautifully and efficiently
  • Issues with built-in Chrome functionality
User reviews
Funktioniert sehr Gut!
by Tobias Schmitt, 2025-03-07
无法右键选取格式化，卸了
by e lim, 2025-03-03
Life saver!
by Sirial Kilorean, 2025-02-05
View all user reviews

Extension safety

Risk impact

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

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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  • Low ******* ****** ** *** ********* ********
Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of JSON Formatter. Use it at your own risk.

Risk likelihood analysis details
  • Low This extension was updated more than 6 months ago. Older versions are more likely to be stable and safe.
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** **** **** ****** ******* ********** **** ****** ** ** ****** *** *****
  • Good **** ********* ** * ******** ********* ** ****** *** *****
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Upgrade to see full risk analysis details

Promo images

JSON Formatter small promo image
Small promo image

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