# Tree Style Tab

23 Hacker News commenters recommended Tree Style Tab and 5 criticized it, November 2025 to November 2026. It was recommended in 10 of 13 months. It meets the Hacker Approved badge rule.

**Verdict:** Firefox extension that shows tabs as a nested tree, keeping hundreds organized and readable. Common caveat: it can use gigabytes of RAM and feels complex.

## Why people recommend it

- Organizes many tabs as a tree (4 comments): "Something like TreeStyleTab makes it easy to keep hundreds of tabs organized with clear, easily-manipulated structure" ([source](https://news.ycombinator.com/item?id=47664794)) "the Tree Style Tabs were infinitely cooler, because they were a tree, not a list" ([source](https://news.ycombinator.com/item?id=49941949)) "to have an explorer-like tree view of my browsing session" ([source](https://news.ycombinator.com/item?id=49179791))
- Reason to stay on Firefox (3 comments): "The best part of Firefox (for me, besides being able to have vertical tree-style tabs)" ([source](https://news.ycombinator.com/item?id=47962102)) "keeping me on Firefox (unnerfed uBlock Origin and Tree Style Tabs, respectively)" ([source](https://news.ycombinator.com/item?id=48974013)) "my favorite thing about Firefox is Treestyle Tabs" ([source](https://news.ycombinator.com/item?id=47273077))
- Hard to go back from (3 comments): "Tree style tabs, can never go back to a browser without them" ([source](https://news.ycombinator.com/item?id=49535486)) "personally I can't go back to a regular browsing setup" ([source](https://news.ycombinator.com/item?id=49094890)) "feel like a bit of a downgrade from Tree Style Tabs" ([source](https://news.ycombinator.com/item?id=50200792))
- Vertical layout shows full titles (2 comments): "Tree Style Tab works alright as an extension-provided sidebar." ([source](https://news.ycombinator.com/item?id=47254349)) "I can read all the tab titles due to the vertical layout." ([source](https://news.ycombinator.com/item?id=46533211))

## What people warn about

- Complex and clunky to use (2 comments): "I used and love TST (plus a huge number of extensions - TST is an extension that is extended with further extensions!) but it's complex and clunky." ([source](https://news.ycombinator.com/item?id=50206175)) "the deep nesting of TST to get in the way more than it helps" ([source](https://news.ycombinator.com/item?id=50201233))
- Display and breakage problems (2 comments): "Tree Style Tab addon doesn't work properly to this day because of this." ([source](https://news.ycombinator.com/item?id=46648678)) "couldn't get them to display properly without going to about:config" ([source](https://news.ycombinator.com/item?id=46311111))

## Alternatives hackers recommend

- [Unhook](https://hackerapproved.com/p/unhook.md): 48 recommend
- [SingleFile](https://hackerapproved.com/p/singlefile.md): 34 recommend
- [Vimium](https://hackerapproved.com/p/vimium.md): 29 recommend
- [Sidebery](https://hackerapproved.com/p/sidebery.md): 27 recommend
- [Redirector Firefox extension](https://hackerapproved.com/p/redirector-browser-extension.md): 24 recommend

## Cite as

Hacker Approved, "Tree Style Tab", https://hackerapproved.com/p/tree-style-tab/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).