Why Do Some Chrome Links Open a New Window Instead of a Tab?

You click a link expecting it to land in a new tab next to the one you're already on, and instead Chrome pops open an entirely separate window — new position on screen, no tab strip you recognize, sometimes even a different size. It's disorienting, but it's not a bug; it's one of two very specific, well-defined behaviors.

Cause 1: you (or an accidental keystroke) held Shift while clicking

Chrome's modifier-click shortcuts are easy to mix up:

Shortcut	Result
Click	Opens in the current tab
Ctrl+Click / Cmd+Click	Opens in a new background tab
Ctrl+Shift+Click / Cmd+Shift+Click	Opens in a new tab, switches to it
Shift+Click	Opens in a brand-new window

Shift+click for a new window is standard, deliberate browser behavior — it's not unique to Chrome, and it isn't a bug. The mix-up usually happens because Ctrl+Shift+click (new tab, foreground) and plain Shift+click (new window) are one keystroke apart, and it's easy to lift a finger off the wrong key mid-click. If this keeps happening, it's worth checking your own habit first: are you meaning to hit Ctrl+Shift, and only landing on Shift?

Cause 2: the site's own script forced a popup window

The other cause has nothing to do with how you clicked. A link marked target="_blank" normally opens in a new tab by default — but if the page runs a script that calls JavaScript's window.open() with a features string (specifying a width, height, or which browser chrome to show), Chrome renders that as a separate popup-style window instead of a tab, regardless of your click.

Sites do this deliberately for things like:

• A "sign in with Google" or payment popup sized to fit exactly one form.
• A share dialog or image viewer meant to sit apart from the main page.
• Older sites built before tabbed browsing was the default, where a sized popup was the norm.

You can usually tell which cause you're dealing with by the window itself: a Shift+click window looks like a completely normal Chrome window, same size, full tab strip, address bar and all. A script-forced popup is usually a fixed, often smaller size, and may hide the address bar, bookmarks bar, or tab strip entirely — a strong signal it was intentionally sized by the page, not by you.

What you can actually control

Chrome's popup blocker (chrome://settings/content/popups) blocks unwanted, unrequested popups — the ones a page tries to open on its own, without you clicking anything. It's on by default and generally does its job well. But it does not stop a window.open() popup that fires as the direct result of you clicking a link or button, since Chrome treats a click-triggered popup as an intentional user action rather than the kind of abuse the blocker exists to catch. There's no setting to force those into tabs instead — the site's script decided the window's shape, and Chrome honors it.

If a popup window shows up and you'd rather have it as a tab, the simplest fix is just to copy its URL from the address bar and paste it into a new tab (Ctrl+T / Cmd+T) yourself — you lose nothing but a click.

For every other modifier-click combination and what each one does, see How to Make Links Always Open in a New Tab in Chrome.

When you've got tabs and windows scattered everywhere

Between the tabs you meant to open and the windows a stray Shift+click or a sized popup created, it's easy to end up with browser real estate scattered across several separate windows with no single view of what's actually open.

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• Save tabs from any window into one list, so a popup window's tab isn't a dead end you forget about.
• Search by title or URL with ⌘K / Ctrl+K instead of hunting across multiple Chrome windows.
• Close the extra windows without losing anything — the tab is saved, not gone.
• Free for up to 100 saved links.

Stop losing track of tabs across scattered windows. Add Amazing Tabs to Chrome — free, no signup. One searchable list, no matter how many windows Chrome opened.

Quick recap

• Shift+click opens a link in a new window — it's one keystroke away from Ctrl+Shift+click (new tab), which is the usual source of the mix-up.
• A site's own window.open() call with size parameters forces a popup-style window regardless of how you clicked — look for a missing tab strip or address bar as the tell.
• Chrome's popup blocker only stops unrequested popups, not ones triggered by your own click.
• No setting forces every link into a tab — copy the URL into a new tab yourself if you'd rather not keep the window.

Further reading: How to Make Links Always Open in a New Tab in Chrome for the full modifier-click reference, or Why Does Chrome Keep Opening New Tabs by Itself? if the problem is unwanted tabs rather than unwanted windows.

Add Amazing Tabs to Chrome — free → Install from the Chrome Web Store. 100 saved links free, upgrade only if you want unlimited and cross-device sync. See pricing for the full breakdown — including the $99 lifetime deal (capped at 200 spots).