UltimaDark - The Fastest Dark Mode Extension
UltimaDark uses agressive & smart techniques to turn even the sunniest websites into realms of darkness.
Although it works well, this is so experimental, it makes lab rats look like seasoned professionals.
Go ahead, embrace the shadows! 🦇
UltimaDark: Fast Dark Mode for Any Website
"UltimaDark - The Fastest Dark Mode Extension" is an innovative Firefox add-on designed to convert even the brightest websites into a sleek, dark interface. Utilizing aggressive and intelligent techniques, UltimaDark provides a unique browsing experience that enhances readability while reducing eye strain. Although it’s still experimental, users are encouraged to embrace this adventure into the shadows. Perfect for those who prefer a darker aesthetic, this add-on aims to redefine how we interact with the web.
Add-on stats
By: ThomazPom
Creation date: 2020-05-27
Weekly download count: 152
Firefox on Android: Yes
Risk impact: High risk impact 
Risk likelihood:
Manifest version: 2
Permissions:
- <all_urls>
- tabs
- browsingData
- webNavigation
- webRequest
- webRequestBlocking
- storage
- unlimitedStorage
Size: 164.05K
URLs: Website
Ranking
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
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User reviews
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spammy, or outdated. Pros
- Fast performance compared to other dark mode extensions
- Sufficient dark mode quality for most websites
- Works well on mobile (e.g., Fennec on Android)
- Good support and attention from the developer
Cons
- Incorrect darkening of some elements and images
- Custom exclusion of websites doesn't work consistently
- Causes errors on popular sites like Facebook and Instagram
- Can be heavy on browser resources
Most mentioned
- Fast performance
- Incorrectly darkened elements
- Need for more customization options
- Errors on certain webpages
User reviews
by Firefox user 18678457, 2024-12-17
by Lunkan, 2024-12-17
by Firefox user 12320282, 2024-12-16
Add-on safety
Risk impact
UltimaDark - The Fastest Dark Mode Extension requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk likelihood
UltimaDark - The Fastest Dark Mode Extension is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
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