Rated 2 out of 5 stars

Absolutely brilliant add-on, but sadly it is so resource-hungry that it is close to unusable.

Rated 2 out of 5 stars

Although the idea is nice, this addon is highly buggy and also dangerous! In my case it messed up with Session Manager (which is one big widespread plugin) causing it to not save my last session of Tabs and Windows. Result: 100 tabs lost.

It's also using so much CPU and RAM.
This is so much buggy that needs a lot of work before being allowed to be downloaded.

?!?! Rated 3 out of 5 stars

I love this addon but when i with the new firefox update when i hover over tabs they dissapear.......??? what is that?

This user has 3 previous reviews of this add-on.

Amazing, but there are problems with latest firefox Rated 3 out of 5 stars

These problems have also shown up in Firefox Developer Edition for a while, but I thought it might be better to wait until it's in the "official" version before noting it, since Developer Edition is bound to cause some compatibility problems.

When opening new tabs with a middle click, it adds on to the end of the tab list no matter what the setting is set for.

Rated 5 out of 5 stars

The best way to navigate multiple tabs! Soooo much more organized now...

Rated 3 out of 5 stars

I wanna say I love this extension, but there's just too many bugs. I restricted the tree depth to 1 in the options and this completely broke the functionality.

E.g. when I moved tabs without children, it actually moved other tabs (as if it had children) and then those other moved tabs disappeared completely.

Rated 4 out of 5 stars

As Janisozaur stated, clicked links on a Parent tab, doesn't become a child tab, but goes at the very bottom(if you have more than 40 parent tabs + some child ones, that's some scrolling to do), it had worked before the FF 37.0 update and it became to be as I've just said. that's not a coincidence.

I will give a chance and I'll give you 4 stars for now, this problem was more than 1 week ago, but I'll give u a chance, per 1 week passed I will deduct 1 star, that's ALOT of time to fix it!

Anyway, it's a great extension.

Tree Style Tabs Rated 1 out of 5 stars

Used this add-on for a long time but the tabs suddenly disappeared from the left side and could not be restored. They display only across the top. Much less useful.

fx 37 support Rated 5 out of 5 stars

It's the best extension ever, however the support for fx 37 seems broken for me, like it was some time ago: children of current tab do not open as such, but at the end of the list of all tabs, at root level.

Still my #1 must-install extension Rated 5 out of 5 stars

Having tree style tabs should be a default feature for all browsers. This extension implements it beautifully and all other tab add ons are really unnecessary beyond this one. I regularly use ~100 tabs at a time. This would be a nightmare with any other tab solution but with tree style tabs I can easily manage them, I can see what tabs I have open, how they are related (by opening all Google results in new tabs rather than replacing the current tab it's easy to see how you got to places.).

Highly recommended! This should be easier to add to Firefox by now. This is not experimental, it's quite stable and has been for years!

This user has a previous review of this add-on.

Love it Rated 5 out of 5 stars

Very intuitive. Saves a ton of vertical screen space and the app is really well implemented. A+

but some suggestions
- bookmarks integration.
- the auto-hide feature is awesome but the background opacity needs to be a little higher and you can still see the other divider-handle behind the drawer.
- Unpinned tabs get smooshed weirdly. They should just look like the pinned tabs except they expand to fill the width.

Been a happy tree-style tabs user for years! Rated 5 out of 5 stars

I cannot get by for long without Tree Style Tabs. I open far too many tabs, on a regular basis, to work with them in the default Firefox way. I only wish it was easier to find Tree Style Tab within the Add-Ons site (I struggle searching for it, with every new install of Firefox) or that this functionality was built into Firefox.

Won't go back Rated 5 out of 5 stars

This is a great way to organize tabs, and the plugin has very intuitive tab switching behavior.

The greatest idea since tabbed browsing Rated 5 out of 5 stars

This addon is brilliant. It's the ideal addon for the way I use a browser...which is to open upwards of 100 tabs on different topics with the need to easily purge and revisit them as the mood strikes. I was pleasantly surprised to discover how easy it was to read all the tab titles and to shrink groups of them by rolling them up first. I enjoy the Ctrl-Zilda shortcut to switch between groups. My next challenge is to train myself to keep subtopics all in one group. Features I'd wish for: group names show up somewhere,

The performance is not good enough Rated 4 out of 5 stars

I LOVE IT.
I feel so great when use it with The Fox, Only Better
But It's much slower when loading Firefox with many tabs(Tested with 80+), even with "don't load when not clicked"
That's a big problem for people who always swim in pools of tabs...

Promising, but missing one feature Rated 4 out of 5 stars

It sure looks promising. Very useful. I just miss one thing; an option to have the tab bar "float" over the actual webpage. All the content on the screen is shifted, so it's not center aligned anymore, which causes strain on eyes and neck, unless you physically move the monitor a bit to the side. You can auto-hide it, but that's not quite what I want.

32.0.3での不具合について Rated 4 out of 5 stars

素晴らしいアドオンを有難う御座います。いつも大変重宝しております。
既出かも知れませんが幾つかの不具合が散見されましたので僭越ながら報告させていただきたいと思います。
一つ、再起動時にツリーがバラけてしまう事がある点
一つ、同じく再起動時にタブ位置が記憶通りに復元されない点
一つ、同じく稀にでは御座いますが、再起動時において記録されている筈のタブが消えてしまう事がある点

現在はブラウザ自体の不具合の為にバージョンダウンしておりますが、上記の事柄はfirefoxの最新版導入時にも見受けられたものです。

作者様の環境下に置かれまして同様の不具合発生がございません場合は私の環境、または設定による不具合なのだろうと思いますが念の為にご報告させて頂きます事をお許し下さい。

middle click on link behavior Rated 5 out of 5 stars

First I want to say I love this addon. I've been using it for 4 years.

In a newly updated firefox 34.0.5 in Windows 7, middle clicking on a link no longer spawns a child tab but a new indepent tab. I had this problem on my Mac at home, but it resolved itself after restarting the browser. Does anyone have any ideas?

Useful but buggy and a few UI issues Rated 4 out of 5 stars

I use this everyday so really hope the following would be dealt with:

1) Bug: When "pinning" a tab (right click, choose pin or stick or whatever it says in English version), it does work... but only in the local window. For another window, you see empty "ghost buttons" at top of tabs tree.
2) Bug: More seriously, every now and then the hide/show doesn't function properly. I hide but the tree seems to stay in some kind of transparent way where clicking doesn't work and it is also not possible to unhide again. Can't reproduce this on command tho.
3) UI: I wish it were possible to drag-drop a sub-tree to make it top level. There is some fuctionality for drag-drop to new level, but not fully.
4) UI: I wish it were possible to insert a dragged tab at vertical top, i.e above the topmost tab.

This user has a previous review of this add-on.

Simply love it Rated 5 out of 5 stars

I pretty much keep the default settings and it does what I want it to. I realy enjoy the look and feel of this tab manager. I try to keep my add-ons to a minimum, especially if they are not security related, but this is one that I install on every Firefox installation I use except for my Tor Browser Bundle and I2P. I simply love this add-on. Keep up the good work.