Owl - Dark Background

Owl - Dark Background

Owl makes your online experience comfortable by changing the theme of webpages to a soothing dark theme with light text. Complete with site-wise settings, multiple themes and great customizability, Owl tried to minimize the strain on your eyes.

  • Owl - Dark Background
  • Owl - Dark Background
  • Owl - Dark Background
  • Owl - Dark Background
  • Owl - Dark Background
  • Owl - Dark Background
  • Owl - Dark Background
What is Owl - Dark Background?
"Owl - Dark Background" is a Firefox add-on designed to reduce eye strain for long hours of browsing. With a soothing dark theme and light text, it creates a night-friendly browsing mode. It also allows for customization, enabling/disabling on certain sites, and has a quick toggle feature for convenience.
By: tk
Users: 1,580 ▲ 18
Rating: 4.02 (121)
Version: 2.2.8 (Last updated: 2021-05-15)
Creation date: 2015-06-23
Weekly download count: 17
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 2
  • *://*/*
  • storage
  • activeTab
  • tabs
Size: 195.80K
URLs: Website
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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An add-on to make online reading easy. If you spend long hours in front of a computer screen, you likely have developed an aversion towards those glaring white backgrounds and harsh color combinations on websites. This add-on transforms all webpages into a night-friendly mode, with dark background and dimmed colors. Features:

  • Applies dark background, lightens the text
  • Syntax Highlighting for code snippets
  • Quickly toggle Owl using Shift + Alt + D
  • Choose between two themes, the Classic theme (used in v1.1.3 and earlier), or the new and improved Inversion theme.
  • Disable Owl on websites that you don't want darkened.
  • Set Owl to start on Firefox startup, so you never have to see those bright whites again.
  • Always enable Owl on selective sites
  • Easily manage site-wise themes

If you want to submit a suggestion/bug, open an issue here or get in touch here.

If you are a developer and want to add more cool features to Owl, check out Owl on Github

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.
  • Cute owl icon
  • Dark background
  • Option to enable for specific sites only
  • Readable text
  • Shadowing around tabs area
  • Deteriorates scrolling on some sites
  • Lack of adjustments
  • Should disable by default when a native CSS dark theme is detected
Most mentioned
  • Owl icon
  • Enable for specific sites
  • Text readability
Recent reviews
Basically good. But for me, scrolling on e.g. Amazon deteriorates considerably. (Win10, latest FF)
View all user reviews
Risk impact

Owl - Dark Background 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 Owl - Dark Background if you trust the publisher.

Risk likelihood

Owl - Dark Background is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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