Night assistant

Night assistant

Set the background color of the webpage to protect your eyes and create a beautiful and comfortable internet environment.

Night assistant promo image
What is Night assistant?

'Night Assistant' is a light, high-compatibility Firefox add-on designed to customize your web page's background color according to your preference. It's particularly useful at night, providing a more pleasing and less straining experience for your eyes when browsing. With an in-built color picker, Night Assistant enables fast background color selection to make your browsing environment beautiful and comfortable. It is available on a wide range of browsers including Firefox, Google, Microsoft Edge and 360 browsers.

Stats date:
Users: 877 ▼ -7
Rating: 4.63 (19)
Version: 1.9 (Last updated: 2022-12-31)
Creation date: 2019-04-10
Weekly download count: 43
Firefox on Android: Yes
Manifest version: 2
  • <all_urls>
  • tabs
  • storage
Size: 202.05K
Risk impact: High risk impact
Risk likelihood: Low risk likelihood

Other platforms

Not available on Chrome
Not available on Edge

This is an extension of setting the background color of the web page. You can set the background color according to your preference, which makes the web page more beautiful, and is suitable for night browsing, which is good for eye protection.


  1. support color picker, fast selection of recommended background color, simple and fast;
  2. small size, stability, strong compatibility;
  3. It covers a wide range of browsers and is currently available in Firefox, Google, Microsoft Edge and 360 browsers.

Security: The extension source code publicly, without any infringement of privacy, the source address:

Other: Related article introduction: Share a browser extension that implements night mode

The first time you install it, refresh the page or open a new TAB for the Night Assistant to take effect. It may be banned on certain sites.

If you think this extension is helpful to you, you can give a good comment or tip, thank you.

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.
  • Simple and practical
  • Good eye protection
  • Smooth transition on page jumps
  • Bugs
  • Color bias in Firefox
  • No automation based on time and sunrise/sunset
Most mentioned
  • Useful extension
  • Compatibility with all websites
  • Request for additional features
View all user reviews
Risk impact

Night assistant 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 Night assistant if you trust the publisher.

Risk likelihood

Night assistant has earned a fairly good reputation and likely can be trusted.

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