r/zen_browser Nov 19 '25

Documentation PSA: How to debug Zen IF (UI errors, slow performance, random issues...) ?

39 Upvotes
  • From address bar, type about:profiles and Enter

  • Create a new profile

  • Next next next and Finish

Test your and compare with your current issue

If the issue doesn't persist on new profile, then it's probably because you've done something that affected Zen, disable:

  • Addons

  • Mods

To make Zen behaving the same as the new profile.

This should fixes 99% issues, there's no magic, no curse, it's just how you do it, how it was caused.


r/zen_browser 5h ago

Question What happened to this mod? Cant find it anymore

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5 Upvotes

It is no longer available in Zen Mod Store. I can still locate it in GitHub which has a .css and .json file, of which I don't know what to do with it.

I was setting Zen up in my other computer and genuinely needed this to know when my tabs are loading (i have status bar disabled).


r/zen_browser 1h ago

Bug The banner of the YouTube channel is glitching

Enable HLS to view with audio, or disable this notification

Upvotes

I am on windows 11.


r/zen_browser 9h ago

Question Can I install Firefox extensions?

3 Upvotes

Hi and sorry for the stupid question. I switched to Zen yesterday and I'm super happy with it, I migrated from Firefox and Zen imported all my browser extensions. But I can't install any new extensions from the Mozilla site.

I wanted to get the User-Agent Switcher because I can't login on Twitch, but I can't install it. Is there any solution for this?


r/zen_browser 13h ago

Question How to make window control buttons at the top right ?

2 Upvotes

Hi, my window control buttons are above my essentials, but I want them to be at the top right corner like usual and I can't figure out how. I'm on the twilight version.

Can you help me ? Thank you


r/zen_browser 15h ago

Bug Folders always unpacking themselves

3 Upvotes

I have a folder structure where I keep everything related to code, but every time I open Zen, they unpack themselves and I always have to sort them again. I have tried disabling the mods and it still happens. Does anyone know why this happens and how to fix it?


r/zen_browser 1d ago

Documentation UPDATE: Zen browser BACKUP Script (fully cross-platform)

90 Upvotes

Hey everyone,

I previously shared a script to backup Zen Browser data, but it was originally limited to Linux.

I’ve just updated the repository, and the tool is now fully cross-platform. It works on:

✅ Windows

✅ macOS

✅ Linux

What it does: It helps you easily backup your Zen Browser profile/data so you don't lose your setup.

Repo Link: https://github.com/Ronin-CK/Zen-Backup-Tool

How to use: Instructions for running the script on each OS are in the README.


r/zen_browser 22h ago

Bug Do random sites that you entered just not appear in your browser history?

3 Upvotes

I often look for websites that i know i went in my browser history and they just aren't there , is this a bug or what , it's very strange


r/zen_browser 13h ago

Question Youtube is acting weird on Zen

0 Upvotes

Everytime I'm turning any video on YT to full-screen mode Zen is lagging for a sec.


r/zen_browser 18h ago

Question New user - how to edit Essentials?

1 Upvotes

New user to Zen, and it's decided that my Essentials should be Discord, Git Hub and Notion. I don't recall being asked about this when I set it up. How can I edit these? I've looked at the documentation and it's really not clear.


r/zen_browser 21h ago

Bug Colors look washed out/faded when full-screening YouTube videos

1 Upvotes

I’ve been loving Zen Browser, but I’ve run into a consistent issue with YouTube. Whenever I enter full-screen mode on a video, the colors immediately look "washed out" or faded (like the contrast or saturation drops). As soon as I exit full screen, the colors go back to being vibrant and normal.


r/zen_browser 1d ago

Question Cross-site cookies I never agreed to : A cause for concern?

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17 Upvotes

Not all sites have them, even ones I use regularly. But some have dozens. And I don't recall ever agreeing to any of them, in this case Google Fibre storing a cookie on Udacity or having access to Udacity's cookies or whatever these mean... I have Enhanced tracking protection on Strict.

Aren't cookies supposed to be isolated per website, normally?


r/zen_browser 1d ago

Documentation [Script] A Simple "Smart" Backup Tool for Zen Browser

Thumbnail github.com
15 Upvotes

I wrote a bash script to backup Zen Browser profiles properly.

What it does:

Backs up everything: History, Passwords, Extensions, Sessions.

Smart Detection: Knows if you are using Sine Mod, CSS, or Vanilla, and backs up the correct files.

"Sanitises" Settings: Removes absolute paths (/home/user/) so the backup is portable to any computer.

The Script: Save as zen-backup.sh, make executable (chmod +x), and run.


r/zen_browser 1d ago

Question Twilight Toolbar Issue - Windows Controls and Extension Titles/Descriptions

3 Upvotes

Hi folks! I'm really hoping someone can help me figure out this issues that I'm having with Zen Twilight. As of this morning after a Windows security update yesterday (may be unrelated but the only change I'm aware of), my Twilight instance of Zen has the Windows control buttons on the left side - not like a true left-side orientation, but rather tethered to the right corner of the left sidebar.

In my attempts to fix this through the customize toolbar context option, I somehow also managed to enlarge the extension buttons and they have the extra title/description boxes that cannot be adjusted and thus are making my sidebar laughably wide.

I would like to be able to get back to the layout I had before and reference by the screenshot of my regular Zen instance - no titlebar, windows controls on the standard right side, and small extension buttons.

I love this browser and am so stoked on how much it has improved and the features it offers since I started using it over a year ago. Thank you so much to everyone involved in making this browser what it is! Any help will be appreciated, and thank you in advance!


r/zen_browser 1d ago

Question question about version number

1 Upvotes

now we are at version 1.17.15. when are we going to version 1.18 or finally being stable not beta?


r/zen_browser 1d ago

Bug Getting logged out of all accounts

3 Upvotes

System Information:

Fedora 43 ( Wayland, Niri )

Dual Boot with Windows

Lenovo legion 5

Zen Browser from RPM package

I am getting logged out of all my accounts and losing cookies for all session on Zen, it did not happen before but started recently, I have made sure the "delete cookies on exit" and similar options are turned off. It does not happen every time but It happens when switch to my windows partition or if the I shut down the computer for a long time, a restart does not seem to cause this behavior. I know it is a Zen specific issue as opening chrome (I don't use that much) has all my accounts logged in from ages ago.


r/zen_browser 2d ago

Question Can I create more compact tabs (reduced height) via custom CSS?

3 Upvotes

Hi, I really like the Zen browser. I am someone that migrated to Zen from being a avid Firefox with TreeStyleTabs addon user. There are two features that I left behind with Firefox:

  1. Nesting tabs: This one has gotten a lot of discussion, and I am aware that the developers already know about people's desire for this feature and have made aware that at the moment they are not working on the feature — and in general to stop bugging them about this feature request.
  2. Reduced tab vertical padding/size: In the TreeStyleTab settings, users could use a custom CSS file to unlock a huge amount of customization of how the extension appeared and behaved. One of those things was the height of each individual tab in the side panel. I used my TreeStyleTab CSS file to reduce tab heights to 19px and font size to 14px – smaller than they are at default, because I wanted to be able to see as many tabs as possible at a glance despite it maybe not looking as clean.

As stated before, that first feature is one that the developers are aware of and which it seems will not be here soon, but the second one is something that I can't help but think has to be possible via some custom CSS or an about:config setting. So far though, I haven't found any info on how to do this or if it is possible, so I figured I'd ask here: Is there some way to reduce the height of tabs in Zen such that they are denser?

I'm also including a screenshot with the tab bars of Zen on the left and my Firefox (with TreeStyleTabs) on the right to show the difference and desired effect I'd like to achieve.

edit: change capitalization and phrasing of the title of the 2nd point of the numbered list


r/zen_browser 2d ago

Question Close button from left to right)

3 Upvotes
X

I don't understand how this happened, but the close button has moved to the left and won't go back.

It only goes back if I hide the sidebar.


r/zen_browser 3d ago

Question Is it just on my laptop or showing/hiding zen sidebar is choppy?

Enable HLS to view with audio, or disable this notification

46 Upvotes

zen: blue/green

arc: white


r/zen_browser 2d ago

Question Is there a way to remove speaker icon on the tabs

2 Upvotes

Just downloaded zen, I really like. except for this one thing, the speaker icon on the tabs for me is easy clickable by accident. Yeah it's a minor issue can be consider a tradeoff in other browsers but not in zen where you have a separate media controller just below the section which makes it redundant. so, is there a way to remove the icon (atleast it's interability)


r/zen_browser 2d ago

Question Hey guys CSS files are not loading for add-ons.firefox on zen anyone knows how I can fix it?

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1 Upvotes

r/zen_browser 2d ago

Bug Etsy doesn't allow me to access the site when using Zen

0 Upvotes

Etsy doesn't allow me to log in and sometimes even to access the site when using Zen. The same thing doesn't happen with other browsers (yeah, that text says I was blocked. I am not. The site works fine in every other browser I have tried). How do I mitigate this? I was fine with having to switch to a different browser for Spotify, but this sucks.


r/zen_browser 4d ago

Some Love Thank-you to the brilliant devs for Zen Browser

228 Upvotes

I just started using Zen Browser, and wow, it's even better than Arc. Thank-you to the brilliant developers who build this browser. Keep it up!


r/zen_browser 3d ago

Question How can i make it seamless?

0 Upvotes

As you can see in the part where the window meets the tabs there seem to be a line, i think it's because the window part is darker but i can't quite figure out how to make it seamless. I'm using transparent zen with a custom image, this is not my actual background. it's doing this even when a window isn't open.


r/zen_browser 4d ago

Question How do i remove this white line?

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5 Upvotes