JSON Formatter

Makes JSON easy to read. Open source.
What is JSON Formatter?
"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.
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Extension stats

Users: 2,000,000+
Rating: 4.59 (1,855)
Version: 0.7.3 (Last updated: 2024-03-28)
Creation date: 2020-04-20
Risk impact: Moderate risk impact
Risk likelihood: Very low risk likelihood
Manifest version: 3
Permissions:
  • storage
Host permissions:
  • *://*/*
  • <all_urls>
Size: 20.34K
URLs: Website

Ranking

# 274 ▼ 4
Other rankings
#3 in Developer Tools #2 in json keyword 68 #12 in format keyword 14 ▼ 3 #57 in source code keyword 26 ▼ 14 #200 in features keyword 9 ▼ 50

Other platforms

Not available on Firefox
JSON Formatter (v0.1)
5.00 (2) 3,524+
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Extension summary

Analyze keywords

The original JSON Formatter, now with optional dark mode 🌚

Auto-formats JSON when you load it in a browser tab.

FEATURES

  • Fast, even on very long JSON pages
  • Dark mode
  • Syntax highlighting
  • Collapsible trees, with indent guides
  • Clickable URLs
  • Negligible performance impact on non-JSON pages (less than 1 millisecond)
  • Works on any valid JSON page – URL doesn't matter
  • Buttons for toggling between raw and parsed JSON
See more

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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.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
  • Works beautifully and effectively formats JSON.
  • Intuitive and easy to use with no configuration needed.
  • Highly recommended for developers who regularly handle JSON data.
  • Efficient and saves time when working with JSON.
Cons
  • Conflicts with the built-in pretty print from Chrome.
  • Occasionally, it becomes grayed out and non-functional.
Most mentioned
  • Simple and sufficient.
  • Works perfectly or beautifully.
  • Indispensable tool for JSON formatting.
Recent reviews
by omar rizwan, 2024-11-11
Simple & sufficient! Using it along with SuperDev Pro.
by Choudhary Abdullah, 2024-11-05
Works beautifully.
by Jordan “gordo” Zanatta, 2024-10-26
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

JSON Formatter small promo image
Small promo image

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