OneTab vs SupaSidebar
OneTab dumps your tabs into a list to save memory. SupaSidebar keeps them alive in a sidebar you can actually use - across every browser.
Feature-by-feature comparison
See how SupaSidebar compares to OneTab across every major feature
| Features | OneTab | SupaSidebar |
|---|---|---|
| Save tabs quickly Save all open tabs with one click | Yes One-click saves all Chrome or Firefox tabs to a list | Yes Save all open tabs with one click from any browser |
| Works with any browser Safari, Chrome, Firefox, Brave, Edge, and more | Partial Available for Chrome and Firefox only - no Safari support | Yes Works with Safari, Chrome, Firefox, Brave, Edge, and more |
| Live Tabs across browsers See open tabs from all browsers in one panel | No Only captures tabs at save time - no live tab visibility | Yes Shows live open tabs from all your browsers in one panel |
| Tabs stay accessible Access saved tabs from a persistent sidebar | Partial Tabs live on a static browser tab page - not always visible | Yes Persistent sidebar keeps tabs accessible at all times |
| Spaces / Workspaces Organize tabs by project or context | No No workspace or grouping support - all tabs in one flat list | Yes Create named spaces to organize tabs by project or context |
| Command palette Fuzzy search across tabs, bookmarks, files, and apps | No No search - you scroll through a flat list to find tabs | Yes Fuzzy search across tabs, bookmarks, files, and apps |
| Folders and organization Organize saved items into nested folders | Partial Supports basic tab groups but no nested folder structure | Yes Nested folders for organizing tabs, files, and bookmarks |
| Native macOS app Built with Swift and SwiftUI | No Browser extension only - requires Chrome or Firefox to run | Yes Native Swift and SwiftUI app built for macOS |
| Files, folders, and apps Manage more than just browser tabs | No Manages browser tabs only - no files or app support | Yes Add files, folders, and apps alongside browser tabs |
| Air Traffic Control Auto-route links to specific browsers or spaces | No No link routing - all links open in the current browser | Yes Auto-routes links to specific browsers or spaces by rule |
| iCloud Sync Syncs across all your Macs | No No sync - tab lists are stored locally in the browser only | Yes Syncs all spaces and tabs across your Macs via iCloud |
| Active development | Partial Receives minimal updates - largely unchanged for years | Yes Actively developed with regular feature updates |
| Overall | Chrome extension | Best Choice |
Save tabs quickly
Save all open tabs with one click
Save all open tabs with one click from any browser
One-click saves all Chrome or Firefox tabs to a list
Works with any browser
Safari, Chrome, Firefox, Brave, Edge, and more
Works with Safari, Chrome, Firefox, Brave, Edge, and more
Available for Chrome and Firefox only - no Safari support
Live Tabs across browsers
See open tabs from all browsers in one panel
Shows live open tabs from all your browsers in one panel
Only captures tabs at save time - no live tab visibility
Tabs stay accessible
Access saved tabs from a persistent sidebar
Persistent sidebar keeps tabs accessible at all times
Tabs live on a static browser tab page - not always visible
Spaces / Workspaces
Organize tabs by project or context
Create named spaces to organize tabs by project or context
No workspace or grouping support - all tabs in one flat list
Command palette
Fuzzy search across tabs, bookmarks, files, and apps
Fuzzy search across tabs, bookmarks, files, and apps
No search - you scroll through a flat list to find tabs
Folders and organization
Organize saved items into nested folders
Nested folders for organizing tabs, files, and bookmarks
Supports basic tab groups but no nested folder structure
Native macOS app
Built with Swift and SwiftUI
Native Swift and SwiftUI app built for macOS
Browser extension only - requires Chrome or Firefox to run
Files, folders, and apps
Manage more than just browser tabs
Add files, folders, and apps alongside browser tabs
Manages browser tabs only - no files or app support
Air Traffic Control
Auto-route links to specific browsers or spaces
Auto-routes links to specific browsers or spaces by rule
No link routing - all links open in the current browser
iCloud Sync
Syncs across all your Macs
Syncs all spaces and tabs across your Macs via iCloud
No sync - tab lists are stored locally in the browser only
Active development
Actively developed with regular feature updates
Receives minimal updates - largely unchanged for years
Overall
Why users switch from OneTab to SupaSidebar
Keep your tabs alive instead of dumping them.
Works with every browser
OneTab only works in Chrome and Firefox. SupaSidebar works alongside Safari, Chrome, Firefox, Brave, and any other browser. One sidebar for all of them.
Tabs stay alive
OneTab closes your tabs and dumps them into a static list. SupaSidebar keeps them accessible in a persistent sidebar - your tabs are always one click away.
Native macOS app
OneTab is a browser extension that hasn’t been significantly updated in years. SupaSidebar is a native Mac app built with Swift, actively developed.
Search across everything
SupaSidebar’s Command Panel searches across all browsers, bookmarks, files, and apps. OneTab has no search - you scroll through a list.
Frequently asked questions
What is the best OneTab alternative?
SupaSidebar is the best OneTab alternative for Mac users. Unlike OneTab, it works across all browsers, keeps tabs accessible in a persistent sidebar, and includes search, workspaces, and file management.
Is OneTab safe?
OneTab has had some security concerns raised by users over the years, and it hasn’t been significantly updated. SupaSidebar stores everything locally on your Mac - nothing is sent to external servers.
Does OneTab work on Safari?
No. OneTab is available for Chrome and Firefox only. There is no Safari version. SupaSidebar works with Safari and every other browser as a native Mac app.
What is the OneTab extension?
OneTab is a Chrome and Firefox extension that saves all your open tabs into a flat list to reduce memory usage. It has no workspaces, no search, no Safari support, and no sync. SupaSidebar does everything OneTab does plus keeps your tabs accessible in a persistent sidebar across all browsers.
Is SupaSidebar free?
SupaSidebar has a free tier with 3 spaces and all core features. Pro unlocks unlimited spaces, iCloud sync, and early access to new features.
More comparisons
A better way to manage tabs
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