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New Tab Same Group is a Firefox extension that improves tab organization by automatically inserting new tabs into the same group as your current active tab — right after it, at the beginning, or at the end of the group, based on your preference.
This extension only works with native tab grouping v138+

🚀 Features

✅ Automatically groups new tabs with the active one
🎯 Choose where new tabs are inserted:
After active tab (default)
At the beginning of the current group
At the end of the current group
🧠 Smart tracking of the source tab to ensure consistent behavior
⌨️ Optional keyboard shortcut (Alt+Shift+T by default) to open a new tab in the standard Firefox way, without applying grouping logic. This can be toggled in the extension's options.
🖤 Fully supports Firefox's native tab groups
🔒 Zero tracking, zero external dependencies
🧩 Works perfectly with both vertical tab layouts and classic horizontal tabs

🛠 Requirements

Firefox 138 or higher
The browser’s native tab grouping system must be enabled

⚙️ How to Enable Tab Groups in Firefox

This extension works with both classic horizontal tabs and vertical tabs in the sidebar.

If you don’t see tab groups:

Open the sidebar via F1 or View → Sidebar → Tabs
Right-click on a tab and choose Move Tab to New Group

If tab grouping is missing entirely:

Go to about:config
Search for browser.tabs.grouping.enabled
If it exists, set it to true
Restart Firefox

🟣 Note: This extension only works with native tab grouping, not third-party tab managers.

🧩 Installation

Download from addons.mozilla.org

📝 License

MIT — see LICENSE.txt

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Utjefte-opmerkingen foar 1.3.0

New Tab Same Group - Version 1.3.0

We're pumped to bring you more flexibility with version 1.3.0!

✨ NEW: Open Standard New Tabs with a Shortcut!
You can now open a new tab in the standard Firefox way (ungrouped, just like Firefox would open it by default) using a handy keyboard shortcut.
* Default shortcut: Alt+Shift+T
* This feature is great for when you occasionally want a new tab to be outside of your current group.
* You can enable or disable this shortcut in the extension's options.

As always, regular new tabs (Ctrl+T or the new tab button) will continue to be grouped according to your main extension settings.

Thanks for using New Tab Same Group! We hope you enjoy the new level of control.

Brûkt troch