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Reviews for UltimaDark - The Fastest Dark Mode Extension

UltimaDark - The Fastest Dark Mode Extension by ThomazPom

4.5 Stars out of 5
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88 reviews
  • by chewygum, 6 months ago
  • by Terry, 8 months ago
    UD's way more lightweight than the bigger extensions; thank you so much Thomaz!

    One issue I've been running into is Twitch streams being covered by the extension. I've tried changing the "precision" value (tried 1, tried 10) and it hasn't seemed to make a difference. Hope you can provide some help with that, but great work otherwise!!

    Edit: I see that this issue's been brought up on github back in February. Hopefully progress on that's still going well!
  • by Craig, 8 months ago
  • by Nokami, 8 months ago
    Only using for a few days now, but the performance difference compared to the absurd Night Reader is instantly noticable. It's certainly not perfect yet but after changing to this it's difficult to go back.
  • by emvaized, 8 months ago
    Great addon! Would be awesome if you could apply dark mode per window, so that I can keep the window on the main monitor with light theme, and apply dark mode for websites only on a secondary monitor.
  • by Firefox user 13229307, 9 months ago
    Just the fact that you have to reload if you change a setting makes this worthless.

    Developer response

    posted 6 months ago
    Auto refresh is now a setting
  • by isuru, 9 months ago
    Oh goodness, finally, a dark mode extension that works well enough and does not destroy my device. Thank you. We can deal with the bugs, please keep developing <3 (and yes its seriously fast)

    Developer response

    posted 9 months ago
    I’m still working on it. I’m in a pause but next update will fix more bugs and bring new ui
  • by Firefox user 18943576, 9 months ago
    It hasn't actually worked yet. It doesn't change anything about the pages on this website, for example, or YouTube. Something may be blocking it, but I enabled permissions when asked by Firefox. I don't think it's uBlock, because it behaves the same way when that's disabled. Please advise! Or help

    Developer response

    posted 9 months ago
    This website is protected to avoid extensions from rating themselves.
    Not a single extension will be enabled when navigating here
  • by geekzilla101, 10 months ago
  • by Katharta, a year ago
  • by yadada, a year ago
    super fast
  • by Firefox user 17715939, a year ago
    Would love to be able to blacklist sites to not run this (Gmail behaves funky when this is enabled, I'm sure there are more sites that I'll run into the future)

    Other than that it works great.

    Developer response

    posted a year ago
    https://support.mozilla.org/en-US/kb/extensions-button

    A major user interface overhaul is coming soon! In the meantime, the current UI already allows you to exclude sites from being darkened. If you don’t see the extension’s button pinned in your toolbar, it might still be hidden under the puzzle piece (🧩) menu, where newly installed extensions are grouped
  • by Uriy, a year ago
  • by Firefox user 18805902, a year ago
    Is it possible to set dark mode to automatic based on the ligh/dark theme on my phone? I cant find it..

    Developer response

    posted a year ago
    This setting is now available
  • by Cooper, a year ago
    I thought I would never use dark mode on browsers due to their performance hit. Then I found this.
  • by Chitauri, a year ago
  • by gbpu, a year ago
  • by ikemen, a year ago
  • by Firefox user 10031114, a year ago
    Dark reader:
    This add-on needs to:
    Access browser tabs
    Access your data for all websites
    UltimaDark:
    This add-on needs to:
    Clear recent browsing history, cookies, and related data
    Access browser tabs
    Store unlimited amount of client-side data
    Access browser activity during navigation
    Access your data for all websites

    Indeed fast :) but a lot of permissions needed
    works well on telegraaf.nl , better then dark reader.

    Developer response

    posted a year ago
    Each permission in UltimaDark is added only when absolutely necessary and is used in the most minimal way possible. Browsing history and cookies remains untouched. Clearing the cache is done on key moments (such as updating settings ) specifically to prevent loading unedited resources, ensuring consistent dark mode application across websites.

    While UltimaDark might perform better than other tools, such as Dark Reader, on certain websites (e.g., telegraaf.nl), it’s worth noting that Dark Reader is developed by a team of over 40 developers and more than 1300 contributors, whereas UltimaDark is free and still the result of a solo effort.
  • by Firefox user 18678457, a year ago
  • by Lunkan, a year ago
  • by Firefox user 12320282, a year ago
  • by Firefox user 13812176, a year ago
  • by Firefox user 18725287, a year ago
    Good
  • by shadows552, a year ago
    Fast performance and pretty universal darkening. However, some elements may be incorrectly darkened or look funky (for example, one note writing on web). Also, excluding websites doesn't seem to work (or at least work consistently).

    Developer response

    posted a year ago
    Thank you for your report ! One year of updates since your review might be worth a retry

    The extension is still experimental and constantly evolving. To report bugs, share ideas, or track progress, the project’s GitHub page is available. Anyone who wants to be part of the growing community around this project is warmly welcome. Thank you for your patience and support!