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On the recordRead 7 Oct 202613 facts
Tree Style Tab
Plans and prices
Tree Style Tab
Free
Firefox extension · supports official latest Firefox releases, regular and ESR
Read 7 Oct 2026 · addons.mozilla.org
On the record
- Browser limits
- The project says it depends on Firefox-specific APIs and is not supported on Chromium or WebKit browsers.github.com · read 7 Oct 2026
- Browsing context
- The project describes each tree as a visual browsing history and a way to group tabs on similar topics.github.com · read 7 Oct 2026
- Feature scope
- The project says session management and search are outside its intended built-in feature scope and points users to helper extensions for additional functions.github.com · read 7 Oct 2026
- Helper extensions
- The add-on page lists helper extensions for multi-tab selection, automatic grouping, bookmarks, collapsed trees, and other additions.addons.mozilla.org · read 7 Oct 2026
- Integrations
- Tree Style Tab provides a public API for other extensions to interact with its tab trees and sidebar.github.com · read 7 Oct 2026
- Mobile limits
- The project says it has no plan for Firefox Mobile support because mobile Firefox lacks the Sidebar API and many open tabs may cause memory exhaustion.github.com · read 7 Oct 2026
- Permissions
- Required permissions include access to browser tabs and recently closed tabs, and permission to display notifications; bookmark and website access permissions are optional.addons.mozilla.org · read 7 Oct 2026
- Privacy
- The privacy policy says the software does not automatically collect privacy data; Firefox Sync may send option data and URLs of tabs sent to other devices to Mozilla's Sync server.addons.mozilla.org · read 7 Oct 2026
- Purpose
- The Firefox extension organizes tabs as trees, automatically making tabs opened from the current tab its children.github.com · read 7 Oct 2026
- Sidebar access
- The F1 key or the Tree Style Tab toolbar button toggles the sidebar.addons.mozilla.org · read 7 Oct 2026
- Support
- The project says feedback and bug reports are handled through GitHub issues.github.com · read 7 Oct 2026
- Supported browser
- The project supports official latest Firefox releases, including regular Firefox and ESR.github.com · read 7 Oct 2026
- Tree controls
- Users can collapse branches and restructure the tree by dragging and dropping tabs.addons.mozilla.org · read 7 Oct 2026
