Firefox Extension: Open Tab Count 1.0
How many tabs do you have open in your browser right now?
Did you have to count manually? Are you using Firefox? Try the open tab count extension!
I created this extension because I wanted to explore memory management in browser tabs, and I was curious about the Firefox extension architecture. I’m not quite as eager to explore memory hacks in Firefox now that Google Chrome is out and handles that issue natively, but I’m still using this extension to monitor my tab (over)usage.
The extension puts a small icon in the status bar alongside the number of open tabs. If more than one window is open, the extension shows the number of open tabs in the current window / the total number of open tabs.
Please let me know below if you have any comments!
Update: An update has been submitted to Mozilla that supports Firefox 3.5, and it’ll show up on the it’s now available on the official extension page once it’s been approved.






9 comments
Twitter Comment
@hmason’s tab count add-on for FF tells me I’m up to 54 tabs. Yesterday was 25. How does this happen? [link to post]
– Posted using Chat Catcher
[...] Open Tab Count – Zeigt in der Statusleiste die Zahl der aktuell geöffneten Tabs an. Für Nutzer wie mich, die eine Anzahl von Tabs im Zwei- oder Dreistelligen Bereich geöffnet haben, ein durchaus informatives Tool. [...]
I love this ! ,, tnx <3
very good addon ,but if addon install to much,status bar may be….perhas like tab counter
How can I, or you, make OpenTabCount work with FF 3.5B4?
Why don’t you post the new version here as well? Mozilla seems to be taking a long time to accept it (well, I don’t know when you submitted it). You seem trustworthy, I’d download it from here. I’m going to modify it myself to change the supported versions, but not everyone knows how to do that. I’m assuming that was the only change. I could use one of the other ones like it that are already updated, but I like the little icon guy!
Belay that last comment, in fact the new version is available on Mozilla, you just have to know where to find it. On the page for this addon linked above, look for the “Advanced Details” section, and click the “Version 1.0″ link. Now you are in the Version history page, which includes the unverified newer version that works on 3.5. Simply check the box, and click the Add button then. For some reason, the “Latest Version” one on the very top of the page doesn’t work for me (clicking the check does nothing). But the entry at the top of the list of all versions below that does.
I updated the post, but you can now get the update on the official plugin site here: http://bit.ly/CfiJf
Thanks for your excellent addon. Could you please add a window count? tabs/total/windows
would be nice.
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