Invert Colors

Invert Colors

A simple FireFox add-on that inverts the web page colors (including images) to make pages easier to read in darker settings. Github repo:

Invert Colors
What is Invert Colors?
"Invert Colors" is a user-friendly Firefox add-on that helps enhance user experience by inverting the colors on a webpage, making it easier to read in darker environments. The add-on features a toggle button and hotkeys for both global (alt+shift+r) and tab-specific (alt+r) color inversion. Note: This extension is currently not compatible with Firefox on Android.
By: Max
Users: 3,640 ▲ 7
Rating: 4.12 (60)
Version: (Last updated: 2021-09-02)
Creation date: 2015-12-04
Weekly download count: 70
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • sessions
  • activeTab
  • tabs
  • storage
  • contextMenus
  • <all_urls>
Size: 14.79K
URLs: Website
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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A very basic add-on that inverts the colors of the website. Includes a Toggle Button.

Colors can also be inverted globally using the hotkey (alt+shift+r). Or only on the active tab using (alt+r).

Note that currently this extension does not work with Firefox on Android, as the "browser.tabs.insertCSS" api just does not work work on Firefox on Android.

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.
  • Inverts colors effectively
  • Helpful for users with vision issues and sensitivity to brightness
  • Helpful for users who struggle to read certain colors
  • Works well on many websites
  • Does not work on all websites, including
  • Issues with color inversion in full screen mode
  • Does not exclude images from inversion as expected
  • Slows down certain webpages, particularly with HTML video
  • Inverts colors unnecessarily on sites that already have optimized dark mode
Most mentioned
  • Effectiveness in inverting colors
  • Helpfulness for users with vision issues
  • Issues with color inversion on certain sites
Recent reviews
View all user reviews
Risk impact

Invert Colors 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 Invert Colors if you trust the publisher.

Risk likelihood

Invert Colors has earned a fairly good reputation and likely can be trusted.

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