Hotkey collisions aren't usually a good idea. In my experience, i3 hotkeys take precedence over application hotkeys anyway. I couldn't even set a Firefox shortcut to something in use by i3. If so, then you would only ever be able to close the window and never close a tab. I could be wrong though. In that case, you'd never be able to close the window without closing every single tab. If that's what you want, then hopefully someone else can provide some insight into whether it's possible for the application hotkeys to take priority over i3 hotkeys. Answer from elzzidynaught on reddit.com
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Google Support
support.google.com โ€บ chrome โ€บ answer โ€บ 157179
Chrome keyboard shortcuts - Computer - Google Chrome Help
Learn keyboard shortcuts and become a pro at using Chrome. Windows & Linux Tab & window shortcuts
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Microsoft Support
support.microsoft.com โ€บ en-us โ€บ windows โ€บ keyboard-shortcuts-in-windows-dcc61a57-8ff0-cffe-9796-cb9706c75eec
Keyboard shortcuts in Windows - Microsoft Support
Use the following keyboard shortcuts to efficiently open, close, navigate, and do other tasks across the Windows desktop environment.
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NCCardinalSupport
nccardinalsupport.org โ€บ index.php
Tab Buttons and Keyboard Shortcuts
Users can use browser-based tab controls and keyboard shortcuts to help with navigation. Below are some tips for browser navigation that can be used in Chrome and Firefox on Windows PCs. Use CTRL-T or click the browserโ€™s new tab button to open a new tab. Use CTRL-W or click the x in the tab to ...
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Pclaptops
pclaptops.com โ€บ blog_post โ€บ blog โ€บ 108
Basics of Closing Tabs on Your Computer
Use the โ€œXโ€ icon to close a single tab. Learn keyboard shortcuts like Ctrl + W to quickly close a tab.
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Reddit
reddit.com โ€บ r/kde โ€บ is there a keyboard shortcut to reliably closes the active window?
r/kde on Reddit: Is there a keyboard shortcut to reliably closes the active window?
February 10, 2022 -

Essentially is there a way to configure a keyboard shortcut that is equivalent to clicking the "X" button in the titlebar of the currently active window?

I understand there's a semantic difference between closing a window or quitting an application, but in practice that's rarely applied consistently and it becomes a guessing game if it's CTRL+Q, CTRL+W, ESC โ€ฆ or nothing else at all.

Find elsewhere
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Asana
forum.asana.com โ€บ english forum โ€บ product feedback
Desktop App Keyboard Shortcut to Close Tabs - Product Feedback - Asana Forum
February 5, 2025 - As expected, Ctrl+T will open a new Asana tab, but Ctrl+W closes the entire window and all tabs simultaneously rather than the currently selected tab. I confirmed via the โ€œhelpโ€ icon in the top left that the keyboard shortcut to close a ...
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Indeed
indeed.com โ€บ career guide โ€บ career development โ€บ how to close tabs using shortcuts in your browser
How To Close Tabs Using Shortcuts in Your Browser | Indeed.com
July 10, 2024 - Review these four methods for creating and using shortcuts for closing tabs on your browser: There are two main ways to use shortcuts to close a tab using your keyboard, and both processes are similar.
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Vivaldi
forum.vivaldi.net โ€บ topic โ€บ 50792 โ€บ close-all-tabs-shortcut
Close all tabs shortcut | Vivaldi Forum
September 15, 2020 - You can achieve the "Close All Tabs" action with a simple Command Chain (Settings > Quick Commands > Command Chains Command 1: Close Other Tabs Command 2: Delay 125 Command 3: Close Tab ยท Then you can assign any keyboard shortcut for that action in Settings > Keyboard > Chain.
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Mozilla Support
support.mozilla.org โ€บ en-US โ€บ questions โ€บ 1206807
How to close firefox tab without clicking it first When having a lot of tabs | Firefox Support Forum | Mozilla Support
And this is was happening in FF56 but so far I haven't had it with FF57+ x64 version but that doesn't mean it will happen just that having more RAM (16gigs currently) will mean even bigger crashes should it happen. AFAIK to close the tab you want you either choose "x" or use Cntl+W as you said.
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Chrome Web Store
chromewebstore.google.com โ€บ detail โ€บ keyboard-shortcuts-to-man โ€บ fipfgiejfpcdacpjepkohdlnjonchnal
Keyboard shortcuts to manage Chrome tabs - Chrome Web Store
Define keyboard shortcuts for actions of websites you use frequently ... Average rating 3.4 out of 5 stars. Learn more about results and reviews. ... Average rating 4.4 out of 5 stars. Learn more about results and reviews. Close/pin/unpin/group/ungroup multiple tabs at once, filtering them by a window, pin/group state, or URL.
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The Final Step
thefinalstep.co.uk โ€บ bytesizebulletins โ€บ keyboard-shortcut-to-close-browser-tab
Keyboard shortcut to close browser tab
IT Support London
How do you close a browser tab, but leave the web browser still open and other tabs unaffected?
Rating: 4.8 โ€‹
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eM Client
forum.emclient.com โ€บ frequently asked questions
Shortcut key to close window - Frequently Asked Questions - eM Client
January 7, 2023 - Iโ€™d like to be able to set a shortcut key to close the current email window. I spend most of my work day in a web browser, opening and closing tabs. For all the browsers I use, Ctrl-W will close the current tab. When Iโ€ฆ
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Reddit
reddit.com โ€บ r/firefox โ€บ keyboard shortcut to close tabs to the right?
r/firefox on Reddit: Keyboard shortcut to close tabs to the right?
February 19, 2020 -

Hi there. I frequently use the option to close tabs to the right of an active tab by right clicking over the active tab, and then selecting the option to Close Multiple Tabs > Close Tabs to Right.

I'd love to be able to just use a keyboard trigger for that instead, given how often I use this feature. Is there a way to set something like this up at all?

I'm currently using the following:

  • Firefox Developer Edition 89.0b2 (64-bit)

  • macOS 11.2.3

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Chrome Web Store
chromewebstore.google.com โ€บ detail โ€บ close-tab โ€บ lnchemdcmhoccciihokpdkkekmnejfhj
Close Tab - Chrome Web Store
Close Tab lets you close a web page in a snap with a right mouse click and a key press. This is often quicker than moving the mouse cursor up to the tab's close icon or taking your hand off the mouse to use a keyboard shortcut that requires both hands.
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LinkedIn
linkedin.com โ€บ pulse โ€บ how-change-new-tab-close-keyboard-shortcuts-windows-lee
How to change New Tab and Close Tab Keyboard Shortcuts in Windows Terminal
June 19, 2020 - So I've been using Windows Terminal increasingly. One of the first thing I noticed was that the default keyboard shortcut for open new tab is ctrl+shift+t and the default keyboard shortcut for close tab is ctrl+shift+w.