Park tabs, or actually keep them

OneTab's free list stays on one machine. Sync and backup are a paid subscription. UtilEngine sessions sync, with hourly snapshots and 50+ commands.

Get it for $49

Side by side

One is a free parking lot for tabs. The other is a garage with a backup schedule.

OneTabUtilEngine
What saving looks likeOneTabLists of links, sorted into foldersUtilEngineWindows saved as windows, tabs in order
Where it livesOneTabOne machine, or synced on the paid planUtilEngineSessions sync across your devices
Automatic backupOneTabManual export, or cloud backup on the paid planUtilEngineHourly snapshots, 14 days of history
If storage corrupts or you reinstallOneTabTheir docs warn the free list can be lostUtilEngineSessions sync, so saved windows survive
Memory approachOneTabFrees memory by closing tabsUtilEngineSleep tabs without closing them, sessions for the rest
PrivacyOneTabLocal. URLs leave only if you share a list or turn on encrypted syncUtilEngineLocal first, sessions sync through your account
ExtrasOneTabFolders, notes, sharing a list as a web pageUtilEngine50+ commands. Palette, calculator, JSON, AI with your key.
PriceOneTabFree, sync is a subscriptionUtilEngine$49 one-time

Based on OneTab's Chrome Web Store listing, its Backup & Sync page, and its troubleshooting documentation as of October 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. 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 or sync 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. On the free plan, everything OneTab holds is a single list in local browser storage. One copy, one machine. OneTab's own troubleshooting docs tell you not to uninstall and reinstall the extension unless you use their paid sync, because the list would be lost, and its 2026 storage migration came with recovery tooling precisely because corrupted lists are a thing that happens. OneTab now sells encrypted Backup & Sync as a subscription to close that gap. None of that is malice, and their privacy stance is 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

Hourly snapshots keep a copy of every window, so lost tabs come back in one step.

Q3 Redesign5 tabsLive
Figma - Q3 Redesign
Competitor teardown
Pricing research
Analytics
Launch checklist
Snapshots run on their own, every hour

Switching, 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 useful. On the free plan its limits are structural. One list in local storage, on one machine, with no automatic backup unless you pay for sync. If tabs you park there matter tomorrow, that's the gap.

Does OneTab sync between computers?

Yes, with OneTab's paid Backup & Sync subscription, which adds encrypted sync and a cloud backup. The free version keeps your list in local browser storage on each machine, and those lists don't talk to each other.

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?

Yes, in two ways. Saved sessions make closing tabs safe, and closing frees the most memory. 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 the move is a good excuse to let the stale groups go.