How to enable dark mode in firefox

Browsers are some of the most frequently used apps on smartphones. They’re second only to social media apps and most popular social media apps have their own built-in browser. The built-in browsers make sure users don’t switch apps just to view external links. Of course, these browsers aren’t feature rich and many make for a poor reading experience. In most cases, a mobile browser offers a superior reading experience. This is something developers of browsers are aware of and strive to take advantage of it. Safari for example, has a neat reader mode. In that same vein, Firefox for iOS has just added a new night mode. You can enable night mode in Firefox and it will automatically add a dark grey overlay to your screen which makes reading exponentially easier.

Enable Night Mode In Firefox

Night Mode is a new feature in Firefox added via an update. You must be running version 8.0.1 of the app to use night mode. Open a new tab and tap the hamburger icon at the bottom of the screen. A small window will appear with a set of controls. Look for the Night Mode toggle and tap it.

How to enable dark mode in firefox

You can see the difference in the screenshot below. The tab on the left is with night mode disabled. The tab on the right shows the same web page with night mode enabled. Once you enable night mode, it’s enabled for all tabs that you open. You cannot enable night mode in Firefox on a per-tab basis.

How to enable dark mode in firefox

To disable night mode, tap the hamburger icon again in any tab and tap the night mode toggle to disable.

How to enable dark mode in firefox

Night Mode vs Night Shift

Firefox’s night mode plays extremely well with night shift in iOS. Text is still legible and easy to read when you have night shift enabled on your iPhone and night mode enabled in Firefox. What’s more impressive is how well the night mode works with your device’s screen brightness. If you increase the brightness of your screen all the way up, Firefox’s night mode will overwrite it. Your screen’s brightness remains dimmed. If however you turn brightness all the way down and have night mode enabled in Firefox, the screen does get dimmer.

Firefox can also overwrite auto-brightness in iOS. Basically, any setting in iOS that forces you to look at an uncomfortably bright screen is overridden when you enable night mode in Firefox. While this is pretty awesome for a browser, it’s concerning because Apple doesn’t like apps that overwrite the default iOS functionality.

Dark mode or dark theme is very useful for users who browse the web or watch videos/movies in web browsers at night. If you are someone who enjoys browsing the web at night or have your PC in a low-lit room, you should consider enabling dark theme on your Firefox to avoid access eye strain.

Almost all major web browsers support dark theme or dark mode. Enabling dark mode or dark theme in Firefox has always been easy. You can enable the dark theme without even installing additional extensions. Mozilla Firefox comes with a built-in dark mode theme to help PC users browse the web using Firefox browser at night without hurting your eyes.

How to enable dark mode in firefox

In fact, all recent versions of Firefox come with three themes: default, light, and dark. You can enable the dark theme in Firefox via settings. In addition to these built-in themes, you can download hundreds of themes for Firefox by visiting the official Firefox themes page.

Here is how to enable the dark mode theme in all recent versions of Firefox. Please note that this is not a new feature introduced with the recently released Firefox 57 version. So, you can enable the dark theme even on earlier versions.

Enable dark mode mode in Firefox

Step 1: Open Firefox browser. Click the Hamburger menu icon (located top-right) the browser and then click Customize.

How to enable dark mode in firefox

Step 2: On the customization page, click the Themes drop-down box and then click Dark to select and apply the dark mode theme.

How to enable dark mode in firefox

Save your eyes with dark theme!

Related Articles

Comments

use the link below and download Firefox ad ons for dark mode

use the link below and download dark ad ons

This entire article becomes null and void and a complete waste of time for both your readers and yourself once you realize that the dark theme still pops up a new tab using a blinding white background. Even your screenshots reveal this. It helps absolutely nothing to have a small band of black at the top of a page whilst the rest of the screen burns into your retinas as if it hates you. In fact all pages like about:blank, about:home, about:config will blind you and add a few years to your eyes at three in the morning. This is a bug in firefox and has been for a long, long time. Using other means like user config files still causes a white flash when they show before they turn black.

This cannot be fixed from the user’s side. The only way to fix this is for the programmer to understand how windows are created on different platforms. The dark theme cannot just be applied to a browser as intended by windows 10, since a browser is both an app and a normal win32/win64 programme. The bug is therefore created by mozilla in the way they create and display windows.

Jani “robsku” Saksa says

I was looking more of something like Night Mode, like in almost every mobile broweser (and few desktop ones) – or specifically, night mode or theming (like altering fonts, but most of all colors). I wan’t – because it’s better for eyes instead of black text on bright white backround.

I want black, or preferrably maybe dark grey background and white (not bright, light – light gray that is). That’s way easier to read on monitor. Bright white backgrounds are ergonomic disaster on computers 😉 Seriously though…

Chris Hoffman
How to enable dark mode in firefoxChris Hoffman
Editor-in-Chief

Chris Hoffman is Editor-in-Chief of How-To Geek. He’s written about technology for over a decade and was a PCWorld columnist for two years. Chris has written for The New York Times, been interviewed as a technology expert on TV stations like Miami’s NBC 6, and had his work covered by news outlets like the BBC. Since 2011, Chris has written over 2,000 articles that have been read nearly one billion times—and that’s just here at How-To Geek. Read more.

How to enable dark mode in firefox

Firefox will soon begin respecting Windows 10’s dark app mode setting. But you can enable dark mode in Firefox today, on any operating system, and without installing any third-party themes. This works on Windows 7, Windows 10, macOS, and Linux.

To change your Firefox theme, click menu > Add-ons in Mozilla Firefox.

How to enable dark mode in firefox

Click “Themes” at the left side of the add-ons page.

How to enable dark mode in firefox

You’ll see three pre-installed themes here: Default, Dark, and Light.

The Default theme is a standard light theme that respects your Windows theme settings. For example, if you enable colored title bars on Windows 10, Firefox will use colored title bars with the default theme.

The Dark theme is Firefox’s dark mode. Everything in Firefox—-including the title bar, toolbars, and menus—will turn black or a dark shade of gray with the dark theme.

The Light theme uses lighter grays. When you enable this theme, Firefox will use a light gray title bar and other elements, even when you have colored title bars enabled in Windows.

How to enable dark mode in firefox

To enable the Dark theme or any other theme, click the “Enable” button to the right of it. Firefox’s theme will instantly change.

You can install more themes from the Themes section of the Mozilla Add-ons website.

How to enable dark mode in firefox

If you’ve enabled Firefox Sync, your selected theme will be synchronized to any other computers on which you’ve signed into Firefox. To view your Firefox Sync settings, click menu > Options > Firefox Account.

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How to enable dark mode in firefox Chris Hoffman
Chris Hoffman is Editor-in-Chief of How-To Geek. He’s written about technology for over a decade and was a PCWorld columnist for two years. Chris has written for The New York Times, been interviewed as a technology expert on TV stations like Miami’s NBC 6, and had his work covered by news outlets like the BBC. Since 2011, Chris has written over 2,000 articles that have been read nearly one billion times—and that’s just here at How-To Geek.
Read Full Bio »

Dark themes seem to be a major hit for most popular apps these days. Recently, Windows 10 jumped on the bandwagon and released Dark mode, primarily for its File Explorer.

How to enable dark mode in firefox

Since the theme is still relatively new, you may encounter some issues while using it. Rebooting your drive should usually solve the problem. However, if the problem persists, you may have to manually fix it.

There are four methods that should make Dark mode work again, and this article will guide you through all the necessary steps.

Update Your Windows

Even if you have the latest Windows update, that doesn’t mean that everything went smoothly when you installed it. In some cases, Windows doesn’t update properly. That may cause minor, sometimes unnoticeable glitches. If your Dark Mode doesn’t work or is missing completely, this may be the case.

To check for updates, you should:

  1. Open the ‘Start’ menu on the bottom-left of the screen.
    How to enable dark mode in firefox
  2. Start typing ‘Windows Update’ until the icon appears.
    How to enable dark mode in firefox
  3. Click on the Windows Update settings icon.
    How to enable dark mode in firefox
  4. Click the ‘Check for updates’ button. Windows will automatically check if any new updates are available. It will also automatically scan and repair any possible errors from the previous update.
    How to enable dark mode in firefox

When you update Windows, restart your computer and Dark mode should appear automatically.

Enable Dark Mode Again

Since Dark mode is one of the newer features on Windows 10, it can still sometimes malfunction or not work properly. In most cases, you can fix this issue by shortly disabling Dark mode and then enabling it again.

To do so, you can:

  1. Right-click an empty space on your desktop. A drop-down menu should appear.
  2. Select the ‘Personalize’ option. A window should pop-up.
    How to enable dark mode in firefox
  3. Click the ‘Colors’ menu on the left side of the window.
  4. Click on the dropdown menu under ‘Choose your color‘.
  5. Select ‘Light.’
    How to enable dark mode in firefox
  6. Restart Windows.
  7. Once you restart your system, follow steps 1-4 again, and select ‘Dark’ as your default app mode.

Your theme should work well now.

Fix It in the Registry

In some situations, the only way to fix the issue is to tweak the Registry Editor manually. If neither of the methods above worked, follow these steps:

  1. Hold the Windows key + ‘R’ to open the ‘Run’ window.
    How to enable dark mode in firefox
  2. Type ‘regedit.’
    How to enable dark mode in firefox
  3. Click ‘OK.’
    Before you go further, you should know that manually tweaking the registry may cause some unwanted issues with your system. To prevent losing data or similar problem, you should make a backup of the system registry. To do this:
    How to enable dark mode in firefox
  4. Press ‘File’ on the top-left of the Registry Editor window.
    How to enable dark mode in firefox
  5. Click the ‘Export’ option.
    How to enable dark mode in firefox
  6. Choose the location where you want to save the file.
    How to enable dark mode in firefox
  7. Click ‘OK.’
    If anything goes wrong, you can import this file and restore the original registry settings. You can now proceed to modify the registry.
  8. In the registry address bar, copy/paste this path:
    HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize
    How to enable dark mode in firefox
  9. Right-click the ‘AppsUseLightTheme’ in the right window.
    How to enable dark mode in firefox
  10. Go to ‘Modify.’ A new window will appear.
    How to enable dark mode in firefox
  11. Type ‘0’ below ‘Value Data.’
    How to enable dark mode in firefox
  12. Hit ‘OK.’
    How to enable dark mode in firefox

Dark mode should work now. In case it doesn’t or you can’t find the ‘AppUseLightTheme’ value, you may have to use the Command Prompt method.

Modify the Command Prompt

The Command Prompt method will create the registry key which enables Dark mode for every user. So, do it only if you are the sole person who uses the computer.

To do this, you should:

  1. Open the Start menu.
  2. Start typing ‘cmd’ until the Command Prompt icon appears.
    How to enable dark mode in firefox
  3. Right-click the Command Prompt icon and select ‘Run as Administrator.’
    How to enable dark mode in firefox
  4. In the console, type in the following command:
    REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Themes\Personalize /v AppsUseLightTheme /t REG_DWORD /d 0
    How to enable dark mode in firefox
  5. The command should execute automatically and Dark mode should appear.

Once You Go Dark…

The methods outlined above should solve your issue with the Windows 10 Dark mode. Most of the time, it is just a minor problem, and updating the system or tweaking the registry should do the trick. However, if the issue persists, you may have to reinstall your operating system or check the video drivers.

Do you know of any other methods that may solve the Dark mode issue? If so, share them with the TechJunkie community in the comments below.

More and more operating systems, applications and websites are adding support for the dark mode as people try to reduce eye strain.

Mozilla recently added support for dark mode. You can activate it in four easy steps. Let me show you how.

Enable dark mode in Mozilla Firefox web browser

Step 1: In Firefox, go to the the top right corner and open the menu by clicking the hamburger menu.

How to enable dark mode in firefox

Step 2: Click on the “Addons” menu entry. You could also use the Ctrl+Shift+A keyboard shortcut. On the “Addons” page you will see a list of the extensions that you have installed or disabled.

How to enable dark mode in firefox

Step 3: Now we need to switch to the themes page. You can do that by clicking “Themes” on the left hand of the screen.

How to enable dark mode in firefox

Step 4: You will see the “Dark” theme. Click on the “enable” button to immediately activate the dark mode.

How to enable dark mode in firefox

Note: If you have Firefox Sync turned on, dark mode will be activated on all your Firefox installs.

Turning on Firefox’s dark mode only affects the browser’s theme. It does not change the website that you visit.

But that fails the point of using a dark theme if suddenly a web-page goes full bright into the eyes.

That would be inconvenient, won’t it? If you want to turn on dark mode for all the websites you visit, you can install Dark Reader.

Enable dark theme for the websites in Firefox with Dark Reader

Dark Reader is an open source browser extension available for Firefox, Chrome and Safari.

You can get Dark Reader extension for Firefox from this page. Just click on the Add to Firefox button to add this extension.

How to enable dark mode in firefox

You may need to restart Firefox to see the changes into effect. Here’s a screenshot of It’s FOSS homepage with Dark Reader:

How to enable dark mode in firefox

Dark Reader also provides you some options to set the intensity level of darkness, accent color etc. You can turn off dark mode on selected websites.

How to enable dark mode in firefox

You can enjoy the dark mode on Firefox completely now. If you are using Chromium on Linux, you should be able to use Dark Reader on Chromium as well.

If you found this article interesting, please take a minute to share it on social media, Hacker News or Reddit.

How to enable dark mode in firefox

Sometimes our eyes need a break from the constant glare of the computer screen. Although switching your browser’s color scheme to dark mode doesn’t benefit everyone, it can help reduce screen glare and eye strain in low-light settings. Here’s how to turn on dark mode on your Firefox browser, no matter the device you’re using.

How to turn on Firefox dark mode on a Mac

To turn on dark mode on a Mac, open System Preferences, select General, then choose Dark under the Appearance menu. If you’re running macOS Catalina or later, you can also choose Auto, which cycles between light and dark mode depending on the time of day.

Then, open your Firefox browser, which will display in dark mode along with any other open programs.

How to turn on Firefox dark mode on a PC

Use the Start button to turn on dark mode on Windows via the Settings menu. Then, click Personalization before selecting Colors in the pane on the left.

Turn on dark mode by clicking the relevant option. Under Custom, you can either choose to enable this mode under Choose your default Windows mode or Choose your default app mode or both, depending on your preference.

Then, open your Firefox browser, which will display in dark mode.

How to turn on Firefox dark mode on an iPhone or iPad

You can turn on dark mode on your iPhone or iPad by opening the Settings app and scrolling down until you find Display & Brightness.

Under the Appearance header, tap Dark to enable this mode. Your screen will then change to show you how this mode will look. Note that this can be changed back to light at any time by simply choosing the Light option, or toggle on the Automatic switch to automatically turn dark at sunset or light at sunrise.

Then, open your Firefox browser app, which will display in dark mode along with other open apps.

How to turn on Firefox dark mode on an Android

To turn on dark mode on your Android device, you’ll either need to upgrade to Android 10 or later, or download an app.

If you’re running Android 10 or later, start the Settings app and tap Display, enable dark mode by tapping the toggle for Dark theme, and open your Firefox app, which should now appear in dark mode.

Additionally, in the Firefox app, you’re given the option to choose between display modes specific to the app.

To change your settings within the browser, tap the three-dot menu in the bottom-right corner, select Settings, then Customize, and choose between Light, Dark, or Follow device theme.

How to enable dark mode in firefox

Dark mode is gaining popularity across many sites and apps, but some locations on the web still stick to a light theme. Night Eye is an extension that intelligently converts the light themes of websites into dark themes. It does much more than just inverting color schemes and the end result is impressive.

It isn’t perfect but is something you have to try if you want a more universal dark theme across your device.

Night Eye is available for free on Microsoft Edge.

Bringing darkness everywhere

How to enable dark mode in firefox

Night Eye doesn’t just invert blacks and whites. It analyzes each website you visit and decides how to implement a dark them. This results in attractive dark modes that maintain websites’ design languages much better than basic inversions. The downside is that this can take a bit of time. In my experience, websites took longer to load the first time I opened them with Night Eye active. Subsequent visits seemed faster, but the lag of opening each new site is noticeable.

Night Eye has a number of customization options that allow you to tweak individual webpages or every site you visit. You can pick a specific color and choose what Night Eye converts it to. In the website above the hamburger menu and titles were changed into a blue-ish purple. I selected that color and had the choice to map it to any color including the site’s original gold or white to give it a nice contrast.

Some websites don’t work perfectly with Night Eye, or you might just want to leave them in light modes. For this, you can either have Night Eye do nothing on that site or you can adjust brightness, contrast, blue light, and other characteristics of the website.

Faults and issues

How to enable dark mode in firefox

I’m very impressed by Night Eye, but it isn’t perfect. I’m not exactly sure how the app works but it feels like it maps out each website you visit. As a result, the first time you visit a website with Night Eye on is very slow, particularly if the website has a lot of complex elements.

In a similar vein, some websites just don’t quite work with Night Eye unless you’re willing to do a lot of tweaking. The extension does offer custom color mapping, so you could match up every single element of a site to what you’d like, but that’s a lot of work for each site that requires it.

Most of the sites I visited work well, including YouTube, Facebook, Reddit, and Windows Central. But the CMS to edit articles on Windows Central struggled to be converted to a dark theme much more than browsing the site to read content.

Overall thoughts

How to enable dark mode in firefox

Night Eye is a great addition to Microsoft Edge. It’s base level of conversion to dark themes is impressive and you can customize pages or turn off Night Eye for pages that don’t quite work.

While it’s not quite perfect, it feels like it got faster after pages were analyzed the first time. My ultimate goal is to have dark mode across everything I use, and Night Eye is a big player in accomplishing that goal.

How to enable dark mode in firefox

Mozilla Firefox is one of the most popular web browsers in the world. It provides three different themes and users can choose anyone according to their needs. In this post from MiniTool Partition Wizard, you can learn about how to enable and disable Firefox dark mode.

Quick Navigation :

About Firefox

Mozilla Firefox, simply for Firefox, is a free web browser developed by the Mozilla Foundation. It is one of the most popular web browsers around the world. As of September 2020, according to StatCounter, Firefox becomes the third-most-popular web browser after Google Chrome and Safari.

Some users might need to use Firefox from day to night for work or entertainment. If you stare at a brightly lit display all the time, it might put a strain on your eyes. Fortunately, Firefox provides several theme modes, and you can choose according to your needs.

In the following contents, a tutorial on how to enable and disable Firefox dark mode is introduced and you can have a try if you need it.

How to enable dark mode in firefox

Have you ever come across Firefox won’t open error? How did you fix it? To fix this issue, you need to know its possible causes. This post shares you with them.

How to Enable Dark Mode Firefox

If you are using the Firefox app on the Windows desktop, you can follow the steps below to enable Firefox dark mode.

Step 1: Double-click the Firefox icon on desktop to open it.

Step 2: Click the gear icon from the upper right corner of Firefox to open Firefox Options.

Step 3: In the Options window, select Extensions & Themes.

How to enable dark mode in firefox

Step 4: In the following window, select Themes in the left pane. In the right pane, click the Enable button of the Dark mode under the Disabled section to enable the theme with a dark color scheme.

How to enable dark mode in firefox

Now, you should be in Firefox dark mode.

If you are using Firefox on iOS, you can open the menu and tab Night mode to enable the Firefox dark mode. For Android, you can switch to the dark theme by tapping the menu button, going to Settings > Customize, and taping Dark button under the Theme section.

How to enable dark mode in firefox

How to enter and get out of Firefox Safe Mode? Here is a complete tutorial. If you need to check and troubleshoot errors in Safe Mode, this post should help.

How to Disable Dark Mode Firefox

When you want to exit Firefox dark mode, you can go to the Extensions & Themes. In the Themes tab, click the Disable button for Dark mode. Then Firefox should go back to its default mode. You can also click the Enable button for any other themes you have installed to disable Firefox dark mode and apply the theme you like.

How to enable dark mode in firefox

Further Reading: How to Enable Dark Mode for Other Browsers

Similar to Mozilla Firefox, some other web browsers also provide a dark theme for users. Now, let’s see how to enable dark mode for Google Chrome and Microsoft Edge.

For Google Chrome

To enable dark mode for Google Chrome, you can click the three-dot icon from the top right corner and select Settings. Then scroll down to find the Appearance section. Click the Theme option. In the following window, click the Themes hyperlink and select the theme “Just Black”. In the pop-up window, click Add to Chrome.

How to enable dark mode in firefox

For Microsoft Edge

Similarly, you can also open Microsoft Edge in dark mode easily. To enable dark mode for Microsoft Edge, you just need to go to the Settings. Then select Appearance in the left pane. In the right pane, expand the drop-down menu for the Default theme section. Then select Dark.

How to enable dark mode in firefox

How to enable dark mode in firefox

Microsoft Edge not working in your Windows 10? Don’t worry. This article gives several effective methods to help you fix this problem.

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ABOUT THE AUTHOR

Position: Columnist

Sherry has been a staff editor of MiniTool for a year. She has received rigorous training about computer and digital data in company. Her articles focus on solutions to various problems that many Windows users might encounter and she is excellent at disk partitioning.

She has a wide range of hobbies, including listening to music, playing video games, roller skating, reading, and so on. By the way, she is patient and serious.

Mozilla Firefox web browser comes with built-in Dark theme mode which allows users to enjoy dark mode or night mode in Firefox without installing any extra extension. Many people prefer dark modes in apps as the dark UI or black UI reduces eye strain and allows people to use the apps for long time specially at night time.

Firefox users can enable Dark theme mode manually as well as automatically. We posted a tutorial last year to tell you how to activate and enable dark mode in Mozilla Firefox:

When you enable dark mode in Firefox, it converts the whole UI such as titlebar, toolbar, tab bar, menus, etc in dark colors. But a few pages such as Options, Add-ons Manager, About pages, error pages, etc are not switched to dark theme.

So dark mode is not applied everywhere in Firefox. This partial dark mode annoys users and doesn’t look good.

Fortunately Mozilla has provided a preference/flag to enable dark mode everywhere in Firefox. Newer versions of Firefox such as version 68 and later come with support for this preference and feature. We told you about this preference long time back in UPDATE 133 in our exclusive Firefox Nightly Updates topic when Firefox 68 was under development and testing.

The feature is not enabled by default and we need to manually activate and enable it. Once you set the hidden preference to true i.e, enable the preference, the whole UI of Firefox changes to dark theme as shown in following screenshots:

Firefox Options (about:preferences) Page in Dark Mode:

How to enable dark mode in firefox

Add-ons Manager (about:addons) Page in Dark Mode:

How to enable dark mode in firefox

About Pages in Dark Mode:

How to enable dark mode in firefox

Error Pages in Dark Mode:

How to enable dark mode in firefox

If you also want to enable dark theme mode support on all pages in Firefox, following steps will help you:

1. Open Mozilla Firefox and type about:config in the addressbar and press Enter. It’ll show you a warning message, click on “I accept the risk!” button. It’ll open Firefox’s hidden secret advanced configuration page i.e. about:config page.

2. Now type dark-mode in Search filter box and look for following preference in the window:

The preference value is set to false by default, which means dark mode is not enabled everywhere in Firefox browser.

3. To enable dark mode support on all pages, double-click on browser.in-content.dark-mode preference and set it to true. Alternatively, you can right-click on the preference and select Toggle option.

How to enable dark mode in firefox

4. You’ll need to restart Firefox to apply changes. If you have opened multiple tabs and you don’t want to lose them, you can restart Firefox without losing tabs using methods given in following tutorial:

That’s it. After restart, you’ll get dark theme mode everywhere in Firefox browser.

IMPORTANT TIP:

To enjoy this trick, you’ll need to enable dark app mode in Windows 10 operating system. Check out following tutorial to learn how to enable dark app mode in Windows 10:

Published in: Mozilla Firefox

About the author: Vishal Gupta (also known as VG) has been awarded with Microsoft MVP (Most Valuable Professional) award. He holds Masters degree in Computer Applications (MCA). He has written several tech articles for popular newspapers and magazines and has also appeared in tech shows on various TV channels.

Comments

NOTE: Older comments have been removed to reduce database overhead.

Tried the steps and didn’t work…please let me know what to do

I believe this config entry was changed recently. An alternative is to change –
ui.systemUsesDarkTheme
to:
2 = Dark
0 = Light
3 = No Preference

(You may need to create this entry and it requires a browser restart.)

RobertJ – THANK YOU! Finally!… Steps didn’t work for me either.

I happen to be running:
ArcoLinux
KDE Plasma: 5.19.5
KDE Frameworks: 5.74.0
Qt Version: 5.15.1
Kernel: 5.8.9-arch2-1
Firefox 80.0.1 (64-bit)

Even with the Plasma Integration extension installed in Firefox, it simply would not take the system theme. Setting Dark Theme manually via “Customize” would give me the dark tabs, menu, and other portions of Firefox, but NOT the settings, new tab, warnings, other pages, and not the Library [bookmarks, downloads, history] window either.

Changing the one setting you listed to ‘2’, everything INSTANTLY changed to Dark; no restart required.

However, the only thing that still will not change for me is the Library window – everything else is now dark. Hopefully I can figure that out at some point, but for now, I’ll take what I can get.

What about the shorthand menus, and all menus for that matter, they do not change color, do not adjust to them and look awful!

This worked, thanks RobertJ. The only thing that’s still not dark for me is moz-extension pages. Protected by the browser, so Dark Reader can’t do anything about it, and this config rule doesn’t work either. Does anyone have any suggestions?

It’s for my password manager and everytime I open it I’m just blinded by the page

Dark mode or dark theme is very useful for users who browse the web or watch videos/movies in web browsers at night. If you are someone who enjoys browsing the web at night or have your PC in a low-lit room, you should consider enabling dark theme on your Firefox to avoid access eye strain.

Almost all major web browsers support dark theme or dark mode. Enabling dark mode or dark theme in Firefox has always been easy. You can enable the dark theme without even installing additional extensions. Mozilla Firefox comes with a built-in dark mode theme to help PC users browse the web using Firefox browser at night without hurting your eyes.

How to enable dark mode in firefox

In fact, all recent versions of Firefox come with three themes: default, light, and dark. You can enable the dark theme in Firefox via settings. In addition to these built-in themes, you can download hundreds of themes for Firefox by visiting the official Firefox themes page.

Here is how to enable the dark mode theme in all recent versions of Firefox. Please note that this is not a new feature introduced with the recently released Firefox 57 version. So, you can enable the dark theme even on earlier versions.

Enable dark mode mode in Firefox

Step 1: Open Firefox browser. Click the Hamburger menu icon (located top-right) the browser and then click Customize.

How to enable dark mode in firefox

Step 2: On the customization page, click the Themes drop-down box and then click Dark to select and apply the dark mode theme.

How to enable dark mode in firefox

Save your eyes with dark theme!

Related Articles

Comments

use the link below and download Firefox ad ons for dark mode

use the link below and download dark ad ons

This entire article becomes null and void and a complete waste of time for both your readers and yourself once you realize that the dark theme still pops up a new tab using a blinding white background. Even your screenshots reveal this. It helps absolutely nothing to have a small band of black at the top of a page whilst the rest of the screen burns into your retinas as if it hates you. In fact all pages like about:blank, about:home, about:config will blind you and add a few years to your eyes at three in the morning. This is a bug in firefox and has been for a long, long time. Using other means like user config files still causes a white flash when they show before they turn black.

This cannot be fixed from the user’s side. The only way to fix this is for the programmer to understand how windows are created on different platforms. The dark theme cannot just be applied to a browser as intended by windows 10, since a browser is both an app and a normal win32/win64 programme. The bug is therefore created by mozilla in the way they create and display windows.

Jani “robsku” Saksa says

I was looking more of something like Night Mode, like in almost every mobile broweser (and few desktop ones) – or specifically, night mode or theming (like altering fonts, but most of all colors). I wan’t – because it’s better for eyes instead of black text on bright white backround.

I want black, or preferrably maybe dark grey background and white (not bright, light – light gray that is). That’s way easier to read on monitor. Bright white backgrounds are ergonomic disaster on computers 😉 Seriously though…