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Tree Style Tab

Free#24 of 27 in Tab Management Software

Tree Style Tab: A free Firefox extension for organizing complex tab sessions as hierarchical trees. Ranked #24 of 27 in Tab Management Software by our editors (6.7/10); pricing: Free plan; best for firefox users who prefer hierarchical tab trees.

6.7/10Editor score

Visit Tree Style Tab

Tree Style Tab6.7 Visit Tree Style Tab

At a glance

Editor score
6.7 / 10
Pricing
Free plan
Best for
Firefox users who prefer hierarchical tab trees
Free plan
Yes
Paid from
Free
Tab search
No
Facts checked
22 Sep 2026

Where it wins
- Automatically creates parent-child relationships between newly opened tabs
- Preserves tab trees in Firefox session data and Firefox Sync
- Supports branch controls, drag-and-drop restructuring, and bookmark export
Where it doesn't
- Designed for Firefox desktop rather than Chrome, Safari, or Firefox Mobile
- Does not provide built-in tab search or tab suspension
- Does not include workspace support

Our verdict on Tree Style Tab

Tree Style Tab is a free Firefox extension for organizing browser tabs in hierarchical trees. It suits Firefox desktop users who open related tabs in groups and want those relationships represented visually. New tabs opened from the current tab are placed beneath it, creating parent-child structures that can be collapsed, expanded, and rearranged. The approach is particularly relevant to users who prefer a navigable tree over a flat tab strip.

Its standout feature is the level of control over tab branches. Users can collapse and expand sections, restructure trees with drag and drop, and preserve tree information through Firefox session data. Tab trees can also be saved as bookmark folders, which gives longer-term organization a place outside the active session. Built-in sidebar themes and customization options allow the interface to be adjusted, while the public API supports helper extensions for additional workflows.

Tree Style Tab is focused rather than broad. Firefox Sync storage can send tabs or entire tab trees between Firefox devices, but the extension is designed for Firefox desktop and is not available for Chrome, Safari, or Firefox Mobile. Its core feature set also leaves tab search, tab suspension, and workspaces outside the product. Choose it if hierarchical organization, branch management, and Firefox integration are the priorities. Users seeking built-in search, suspension, workspace support, or wider browser coverage should choose a different tab-management approach.

Your product? Our editors can test Tree Style Tab in depth and publish a review, labelled as paid · from $149/mo →

Tree Style Tab pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on github.com

Tree Style Tab fact sheet

Free plan	Yes
Paid from	Free
Tab search	No
Session restore	Yes
Tab suspension	No
Workspaces	No
Browser support	Firefox
Cross-device sync	Yes
Saved session limit	Not verified
Deployment	Browser extension
Platforms	Chrome extension
Support	Tickets, Docs
Built for	Solo, Small business (editorial estimate)
Integrations	1 integrations: Firefox Sync
Pricing	Free plan
Website	github.com
Facts checked	22 Sep 2026

Tree Style Tab integrations

Tree Style Tab lists 1 integrations on its own site.

Firefox Sync

Alternatives to Tree Style Tab

See all Tree Style Tab alternatives →

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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Tree Style Tab for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

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Featured on iTechGuides

Tree Style Tab is listed in our Tab Management Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update