Compare: OneTab vs Tabs Outliner

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Metric	OneTab	Tabs Outliner
User count	2,000,000	100,000
Average rating	4.45	4.44
Rating count	14,568	3,325
Last updated	2026-07-05	2026-04-08
Size	2.50 MB	1.46 MB
Version	2.18	1.4.167

Short description	Save up to 95% of memory by turning open tabs into a list with OneTab. Restore tabs individually or all at once while keeping data private.	Manage and organize your browser tabs with Tabs Outliner - the ultimate session manager and browsing notebook. Save, annotate, and restore tabs easily.
Full summary	OneTab declutters your browsing by turning all open tabs into a single, manageable list. Restore tabs individually or all at once as needed. Privacy and performance: Your tab URLs are not transmitted to OneTab or third parties unless you explicitly share your list as a web page. Reducing open tabs lowers CPU and RAM usage, helping your browser run more smoothly.	Tabs Outliner is a powerful Chrome extension combining a tab manager, session manager, and a tree-like personal information organizer. It helps you reduce the clutter of too many open tabs by allowing you to annotate and save tabs and windows in their original context, enabling resource-efficient browsing. Its flexible drag-and-drop tree structure lets you organize tabs and windows hierarchically, add notes, and reorder items for better prioritization. The extension includes a crash-resistance feature to restore tabs selectively after a browser crash, avoiding the pitfalls of default crash restoration. Additional capabilities include exporting annotated tab lists for sharing and a one-click solution to close and save all open windows to regain focus and computer performance. Optional paid features like keyboard shortcuts, clipboard support, and automated Google Drive backups enhance user experience but are not required, ensuring effective use of the extension for free.