OneTab for Chrome, and why the tabs keep coming back

The tab strip has stopped showing titles. Every tab is a favicon, the fan is audible, and finding the right Notion page takes three wrong clicks. OneTab is usually the first answer people find: one click, every tab collapses into a single list, and the strip is empty again.

It works. The part that surprises people is what happens two weeks later, when the strip is full again and the OneTab list has four hundred entries nobody will ever open. That outcome is not a failure of the extension. It is a sign that the tabs being collapsed and the tabs causing the problem were never the same tabs.

What OneTab actually does

Clicking the OneTab icon closes every tab in the window and replaces them with one page listing the titles and URLs. Tabs can be restored individually or all at once. There is no account to create and no signup step.

The extension is published by OneTab Ltd. On the Chrome Web Store the listing carries a rating of 4.4 from around 15,000 ratings, shows 2,000,000 users, and is marked as a featured extension. Versions exist for Chrome, Firefox, Edge and Safari, and the publisher states that most other browsers, including Brave, Opera, Vivaldi, AVG and Avast, are compatible with the Chrome build.

The privacy position is stated plainly on the product site. Tab URLs are never transmitted to the developers or to any other party, with one exception: the "Share as a web page" feature, which uploads the list so it can be sent to someone else. Domain icons in the list are generated by Google. Nothing leaves the machine unless that share button is pressed.

Beyond collapsing tabs, the extension offers folders, tasks, notes and encrypted cross browser sync, plus export and import of lists. The core function costs nothing.

One warning comes from the publisher rather than from users, and it is worth reading before installing:

If OneTab does not appear to load, do not try to fix it by uninstalling and re-installing OneTab. Uninstalling OneTab will cause your browser to delete your stored tabs. Source: one-tab.com

The stored list lives in the extension's own storage, not in bookmarks. Removing the extension removes the list with it. Anyone planning to keep hundreds of links there should export periodically.

Reading the 95 percent claim

The headline on the product site is a memory saving of up to 95 percent, supported by a before and after pair: 1981 MB in use before, 99 MB after. The arithmetic is honest and the mechanism is simple, but it is easy to read it as something it is not.

The saving comes from closing tabs. OneTab does not compress a running page into a smaller running page. It shuts the page down and keeps the URL as text. Closing those tabs by hand produces exactly the same number. What the extension adds is the guarantee that the closed tabs can be found again, which is the reason people are willing to close them at all.

So the size of the saving depends entirely on what was open beforehand. A window holding video, a live dashboard, a map and a design tool will drop a long way. A window holding twenty text articles will barely move, because Chrome already discards tabs that have been untouched for a while, and a discarded tab is not holding much memory to begin with.

The second thing the number does not cover is restoring. Restoring is a reload. Bringing back fifty tabs at once starts fifty page loads at once, and for the next minute the machine is busier than it was before anything was collapsed. Collapsing is storage, not a permanent reduction. The saving holds for exactly as long as the tabs stay in the list.

This matters for deciding how to use it. OneTab pays off when the list is a place things go and mostly stay. It pays off much less when the list is a holding pen for tabs that get restored every afternoon.

The tabs that should not go in the list

There is one question that sorts tabs correctly, and it takes a second to answer: will this be open again tomorrow?

Kind of tab	Example	Good fit for a list	Why
Research	search results, half read articles, specs	Yes	Nothing is lost by closing it, the URL is enough
In progress	a half written doc, a partly filled form	No	Typed text is not saved, only the address
Daily apps	Gmail, Slack, Notion, calendar	No	Notifications stop and every morning starts with reopening
Behind a login	admin panels, internal systems	Sometimes	Restoring can land on a sign in screen

Row three is where most people hit the wall. Collapsing the apps silences notifications, so the apps get restored, and restoring them refills the strip. Two weeks later the window looks the way it did before the extension was installed, and the list has grown by a few hundred entries that will never be opened.

Row two costs more than it looks. The list stores the URL and the title. It does not store what was typed into the page. A half finished reply or a comment box in progress comes back as an empty form.

Counting helps here. In a window of forty tabs, the ones opened every single day usually number five to eight. Everything else is that week's research. The volume problem is in the research tabs. The finding problem is in the daily apps. One tool cannot fix both, because the two groups need opposite treatment: one should disappear, the other must never disappear.

Keeping the list from becoming a graveyard

A list that only grows is a slower version of the problem it replaced. Four hundred entries nobody reviews is the same clutter moved to a page where it is easier to ignore.

Three habits keep it usable. The first is sorting at the moment of collapsing rather than later. The extension lists folders, tasks and notes among its features, and putting a batch of research into a folder named after the project it belongs to takes a few seconds. Doing it a week later means reading four hundred page titles and guessing.

The second is a delete pass. Set a regular moment, once a week is enough, to open the list and remove anything that no longer has a reason to be there. Entries that survive two of these passes untouched are usually entries that should have been a bookmark, and moving them there frees the list to hold only live research.

The third is an export. Because the list lives in extension storage rather than in bookmarks, a corrupted profile or a removed extension takes it along. The export and import functions exist precisely for this, and a file dropped in a folder once a month costs nothing.

None of this is about tidiness. A list that can be searched and trusted is one people actually collapse tabs into, and a list nobody trusts is one where tabs stay open just in case.

What Chrome already does without an extension

Several jobs that once needed an extension are now built in, and trying them first avoids installing something that duplicates them.

Vertical tabs move the tab strip to the side of the window. Right click an empty part of the strip and choose to show tabs vertically. Google's documentation says the vertical layout lets you see every page title, scroll the list of tabs, and adjust the width of the strip. The unreadable favicon problem is a horizontal strip problem, and this removes it.

Tab groups collect tabs under a colored name that can be collapsed to a single dot. Closing a group does not destroy it: the group is saved to the bookmarks bar or the menu and can be reopened. Google states the syncing behaviour directly:

If your history and tabs are synced with your Google Account, changes to your tab groups automatically save and sync across all your devices. Source: support.google.com

Tab search, pinned to the end of the strip by default, filters open tabs by keyword.

Between those three, the finding problem is largely handled without adding anything. Where OneTab still earns its place is volume and review: hundreds of links in one scrollable page, sortable and searchable as text, which no built in feature offers in that form.

What the list cannot reach

Three things stay exactly where they were, no matter how disciplined the collapsing habit becomes.

Logins

Collapsing tabs does nothing to cookies. Two Gmail accounts in one Chrome profile still push each other out on sign in. A window with five tabs and a window with fifty have identical account switching costs. Tab count and account separation are different layers, and pressing on one does not move the other.

Notifications

An app that is not open is not listening. Anything collapsed into a list is off. For a research tab that is the point. For Slack it is a problem that gets solved by restoring it, which puts the tab back in the strip.

The five that never leave

After research tabs are sorted out, what remains is a small set of apps that are open every working hour. They cannot be collapsed and should not be. Yet they sit in the same strip as disposable tabs, competing for the same width and being swept up in the same cleanups.

Collapsing, grouping, and giving apps their own place

	OneTab list	Chrome tab groups	App workspaces
What it holds	URLs as text, page closed	Live tabs under a colored name	A live app in its own space
Best for	Research you will not open tomorrow	Finding a tab that is open now	Apps open all day
Notifications keep working	No	Yes	Yes
Separate logins per item	No	No	Yes
Survives a restart	Yes, in extension storage	Yes, synced to the Google Account	Yes
Restoring cost	Full reload of every tab	None, already open	None, already open

Read down the "separate logins" row and the shape of the problem becomes clear. Neither collapsing nor grouping touches it, because both operate on the tab strip while the constraint lives in the cookie jar underneath.

A browser that keeps each web app in its own window takes a different approach. Gmail, Slack and Notion sit in a fixed sidebar rather than in the tab strip, each one running in its own space, so research tabs can pile up without moving them. The Features page lists what that covers. Because each app gets its own storage, three Gmail accounts can stay signed in at the same time in one window, which is the row that neither of the other two columns can fill. The mechanism is explained on the Workspaces page. Tools in this category differ mainly in how many services they support and how they charge, and Compared with Wavebox sets those differences out item by item.

What to change first

Keep OneTab for what it is good at: research that will not be opened tomorrow, collapsed once and reviewed weekly, exported now and then so an uninstall cannot take it. Turn on vertical tabs and use tab groups for the things that stay open, so finding a tab stops depending on a cleanup habit. Then take the five apps that are open every working hour out of the tab strip entirely, which is what SpaceDeck is built to do, and the strip stops refilling on its own.