Park tabs, or actually keep them
OneTab collapses your window into a list, and that list lives in local storage on one machine, with no sync and no automatic backup. UtilEngine saves windows as sessions that sync across your devices, with hourly snapshots behind them, inside a launcher that does fifty other things.
Get it for $49Side by side
One is a free parking lot for tabs. The other is a garage with a backup schedule.
| OneTab | 
UtilEngine
| |
|---|---|---|
| Price | Free | $49 one-time |
| What saving looks like | A flat list of links on one page | Windows saved as windows, tabs in order |
| Where it lives | Local storage on that one machine | Sessions sync across your devices |
| Automatic backup | None, manual export only | Hourly snapshots, 14 days of history |
| If storage corrupts or you reinstall | Their docs warn the list can be lost | Sessions sync, so saved windows survive |
| Memory approach | Frees memory by closing tabs | Sleep tabs without closing them, sessions for the rest |
| Privacy | Local, URLs only leave if you use the share feature | Local first, sessions sync through your account |
| Extras | Share a tab list as a web page | 50+ commands: palette, calculator, JSON, AI with your key |
Based on OneTab's Chrome Web Store listing and its own troubleshooting documentation as of August 2026. OneTab is free, maintained, and fine at its one job; if a disposable local list is all you need, keep it and spend nothing.
The one-list problem
OneTab earned its two million users honestly. One click sweeps a crowded window into a list, the memory comes back, and the list doesn't leave your machine unless you choose to share it. As a pressure valve for a tab-hoarding moment, it's hard to beat, and it costs nothing.
The trouble starts when the parking lot becomes the garage. Everything OneTab holds is a single list in local browser storage: one copy, one machine, no sync. OneTab's own troubleshooting docs tell you not to uninstall and reinstall the extension because the list would be lost, and its 2026 storage migration came with recovery tooling precisely because corrupted lists are a thing that happens. None of that is malice, and their privacy stance is genuinely good. It's just what a single local copy means.
UtilEngine starts from the opposite assumption: parked tabs are work, and work gets backed up. A window saves as a session with its tabs in order, snapshots of all open windows run every hour with 14 days of history, closing a window writes a final snapshot, and named sessions sync through your account, so the work you've saved survives even a dead laptop. The memory story improves too: tabs you want around but not running can sleep in place with Chrome's native discard instead of being closed onto a list. And the same shortcut that saves sessions runs the rest of the launcher, from tab search to a calculator to AI with your own key.
How it works in UtilEngine
Sessions for the windows you close, sleep for the tabs you keep, snapshots underneath it all.
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Launch checklistSwitching, answered
Is OneTab still worth using?
For what it is, yes. It's free, actively maintained, private by default, and the one-click collapse is genuinely useful. Its limits are structural: one flat list, on one machine, with no automatic backup. If tabs you park there matter tomorrow, that's the gap.
Does OneTab sync between computers?
No. Your list lives in local browser storage on each machine, and the lists don't talk to each other. OneTab's site describes cloud backup and sync as a feature that's coming, but as of August 2026 it hasn't shipped.
OneTab lost my tabs. Can I get them back?
Sometimes. OneTab v2 can detect corrupted storage and offer to recover the older v1 data, and their troubleshooting page covers the cases. If that fails, the pages themselves are still in Chrome's history, which we covered in our tab recovery guide. And going forward, anything that matters deserves a copy that isn't a single local list.
What's the difference between OneTab and a session manager?
OneTab is a parking lot: it empties your window into a list right now. A session manager keeps the shape of your work: which tabs were in which window, in what order, saved under a name, backed up on a schedule, and restorable as a unit. If you reach for OneTab weekly, you're using a parking lot as a garage.
Does UtilEngine free up memory like OneTab does?
Differently, and often better. Closing tabs frees the most memory, and saved sessions make closing safe. But UtilEngine can also put tabs to sleep with Chrome's native discard, which frees their memory while they stay in your tab strip. You don't have to choose between keeping a tab and keeping your RAM.
How do I move my OneTab list into UtilEngine?
Restore a group of tabs from OneTab into a window, then save that window as a session in UtilEngine. Repeat per group you care about. There's no automatic importer, and honestly, the move is a good excuse to let the stale groups go.
Your tabs deserve a backup.
Sessions, hourly snapshots, tab sleep, and 50+ commands. One payment, yours forever.
Get it for $49One-time payment. 14-day refund, no questions asked.
