Merlin
Tab Counter

Tab Counter

Add a badge to the toolbar that shows the number of currently open tabs in a window or all windows.

What is Tab Counter?
Tab Counter is an efficient Firefox add-on designed for users to monitor their tabs usage. It enables a badge on the toolbar, which shows the count of currently open tabs in a window. Users can click on it to view the total number of open tabs across all windows. The color for both the badge and badge text is customizable. The add-on can be set to display either the count of tabs in the current window, all windows, the total number of windows, or none. Users must click the icon to view these details in a pop-up. Supported by e10s, this add-on is a WebExtension and is compatible with Firefox 57 and onwards.
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Merlin
Stats
Users: 8,837 ▲ 93
Rating: 4.52 (84)
Version: 0.4.2resigned1 (Last updated: 2024-04-25)
Creation date: 2017-03-13
Weekly download count: 76
Firefox on Android: No
Risk impact: Very low risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 2
Permissions:
  • storage
Size: 120.25K
URLs: Website
Stats date:

Chrome-Stats Rank

# 888 ▼ 3
Other rankings
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Other platforms

Not available on Chrome
Not available on Edge
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Merlin
Summary
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Add a badge to the toolbar that shows the number of currently open tabs in a window. Click it to see the total number of open tabs in all windows. Badge color is configurable. The badge text color is configurable in Firefox v63 and above. Set the addon to use the clear icon to see only the number in the toolbar. Badge can be configured to show the count of the number of tabs in the current window, the number of tabs in all windows, the total number of windows, or neither (click the icon to see a popup).

This Addon supports e10s. This Addon is a WebExtension and will continue to work in Firefox 57.

User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Easy to see open tabs numbers
  • Helps identify reasons for browser slowness
  • Can manage a large number of tabs
  • Has a nice UI and is not distracting
  • Extremely lightweight and requires no permissions
Cons
  • Struggles with displaying more than 3 digits
  • Not essential for some users
  • Font size is small compared to some alternatives
Most mentioned
  • Shows the number of open tabs
  • Helps understand browser performance impact
  • Simple and convenient UI
  • Lightweight and efficient
  • Lack of visibility with 1000+ tabs
Recent reviews
great UI design. but slows down the entire browser: https://github.com/DaAwesomeP/tab-counter/issues/33
by allan999, 2024-04-03
by Edward, 2024-02-01
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Safety
Risk impact

Tab Counter is safe to use. It does not request any sensitive permissions.

Risk likelihood

Tab Counter is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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Screenshots
Tab Counter Tab Counter Tab Counter