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sdebnath/firefox_disable_top_tab_bar.md

Last active November 28, 2022 00:22
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Disable top tab bar in Firefox 90+
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firefox_disable_top_tab_bar.md

How to disable top tab bar in Firefox 107+ (Tested Nov 27, 2022)

Create custom userChrome.css

  1. Determine profile folder: Help > More troubleshooting information > Profile Folder
  2. Create a folder called chrome in the profile directory
  3. Create a file userChrome.css in the chrome directory with the following contents:
#TabsToolbar { visibility: collapse !important; }

Allow legacy user profile customizations

  1. Navigate to about:config
  2. Search for toolkit.legacyUserProfileCustomizations.stylesheets and toggle it to true if false
  3. Restart browser

References

  1. https://www.ghacks.net/2019/05/24/firefox-69-userchrome-css-and-usercontent-css-disabled-by-default/
  2. https://itectec.com/superuser/how-to-hide-tab-bar-tabstrip-in-firefox-57-quantum/
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