JSON Formatter

Makes JSON easy to read. Open source.

JSON Formatter - Open Source Chrome Extension

JSON Formatter is an open-source Chrome extension that makes JSON and JSONP easy to read. It comes with several features including syntax highlighting with multiple themes, collapsible trees with indent guides and line numbers. It also offers clickable URLs and allows you to toggle between raw and parsed JSON. The extension works on any valid JSON page, and even on local files once enabled from chrome://extensions. Furthermore, you can inspect the JSON simply by typing 'json' in the console. The source code can be found at github.com/nikrolls/json-formatter.

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Extension stats

By: Nik Rolls

Users: 30,000+

Rating: 4.37

(65)

Version: 0.10.0 (Last updated: 2017-05-08)

Creation date: 2017-05-08

Permissions:

storage
*://*/*
<all_urls>

Size: 41.88K

Full description: See detailed description

Ranking

# 4,918 ▲ 70

Other rankings

#6550 in Developer Tools ▲ 88 #22 in json keyword 69 ▲ 8

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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.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

Great extension for formatting JSON data
Offers themes in light and dark mode
Can show both formatted and raw data on one page

Cons

No longer working with the latest version of Chrome
Issues with displaying local JSON files correctly
Some users reported it does nothing when attempting to open local files

Most mentioned

Not working with the recent version of Chrome
Ability to show both formatted and raw data
Thematic options in light and dark mode

User reviews

Actualmente 26/03/2024 no funciona la extension, la podrian arreglar?, muchas gracias!

Juegos Retro, 2024-03-26

FYI for anyone saying this no longer works: there is a NEW version of this extension by callumlocke.com. Just do a search for the same name, "JSON formatter" and it should come up as one of the first results.

A C, 2024-01-19

FYI: Working with local files can be can turned on at "Manage Extensions" > "Allow access to file URLs"

Gergely Glosz, 2023-04-03

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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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

High This extension has low user count. Unpopular extensions may not be stable or safe.
Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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