Basic JSON Formatter

Basic JSON Formatter

Adds a page action to pretty-print JSON. Unlike similar extensions, this simply pretty-prints it. It doesn't add any kind of viewer, colors, or collapsing. If you want this to work as expected, disable devtools.jsonview.enabled in about:config.

Basic JSON Formatter
What is Basic JSON Formatter?
'Basic JSON Formatter' is an uncomplicated and useful Firefox add-on. It integrates a button into the address bar which helps to format and enhance how JSON content is viewed. Highlightedly, it appears only when the page content is valid JSON or has a Content-type of application/json. Remarkably devoid of extraneous features like fancy viewers or colors, it focuses solely on pretty-printing JSON for ease of viewing.
By: Dr. McKay
Rating: 4.58 (12)
Version: 1.1.0 (Last updated: 2019-05-14)
Creation date: 2017-08-22
Weekly download count: 46
Firefox on Android: Yes
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • storage
  • webRequest
  • <all_urls>
Size: 11.77K
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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Simple addon which adds a button to the address bar for JSON content to pretty-print (format) it. To reduce clutter, the button is only present when the currently viewed content has a Content-Type of application/json or if the page content is valid JSON. Doesn't add a fancy viewer or colors or collapsing or anything.

If you want this to work as expected, disable devtools.jsonview.enabled in about:config.

User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
  • Does exactly what it says
  • Works without extra configuration steps
  • Fast, user-friendly, and simple
  • No trouble formatting large files
  • Can select and copy text without garbage characters
  • Icon does not work with dark theme
  • Cannot run on Firefox 57
  • Lack of usage instructions for some users
Most mentioned
  • Easy to use
  • Formatting capabilities
  • Lack of dark theme compatibility
Recent reviews
it's great
by Tor, 2023-04-12
View all user reviews
Risk impact

Basic JSON Formatter is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Basic JSON Formatter if you trust the publisher.

Risk likelihood

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

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