Tree Tab Picasso by Lukasz Schabowski
Paint Tree Style Tab branches with 20 bold colors and emoji markers. Markers survive restarts.
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Extension Metadata
About this extension
Tree Tab Picasso paints your Tree Style Tab sidebar.
Right-click any tab and choose Tree Tab Picasso:
• Colors — pick one of 20 colors. The tab and all of its descendants get that color.
• Add Emoji… — put an emoji marker on one tab. Search, browse by category, or use recent emoji. Fully keyboard accessible.
• Clear Emoji / Clear Color / Clear Both — remove markers from a tab.
• Clear everything — remove all markers from all tabs.
Markers are saved with each tab, so they come back after a browser restart with session restore, and they go away when the tab is closed.
Requires Tree Style Tab (https://addons.mozilla.org/firefox/addon/tree-style-tab/). Firefox does not allow coloring tabs in the normal horizontal tab strip, so colors show in the Tree Style Tab sidebar.
Privacy: this add-on collects no data and makes no network requests.
Support and bug reports: https://github.com/shabo/ff-treetab-picasso/issues
Right-click any tab and choose Tree Tab Picasso:
• Colors — pick one of 20 colors. The tab and all of its descendants get that color.
• Add Emoji… — put an emoji marker on one tab. Search, browse by category, or use recent emoji. Fully keyboard accessible.
• Clear Emoji / Clear Color / Clear Both — remove markers from a tab.
• Clear everything — remove all markers from all tabs.
Markers are saved with each tab, so they come back after a browser restart with session restore, and they go away when the tab is closed.
Requires Tree Style Tab (https://addons.mozilla.org/firefox/addon/tree-style-tab/). Firefox does not allow coloring tabs in the normal horizontal tab strip, so colors show in the Tree Style Tab sidebar.
Privacy: this add-on collects no data and makes no network requests.
Support and bug reports: https://github.com/shabo/ff-treetab-picasso/issues
Requires Tree Style Tab. Found a bug? Open an issue: https://github.com/shabo/ff-treetab-picasso/issues
Rated 0 by 0 reviewers
Permissions and data
Required permissions:
- Display notifications to you
- Access recently closed tabs
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.2.1
- Size
- 137.48 KB
- Last updated
- 4 days ago (Sep 25, 2026)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
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