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PSA: Incognito Mode Doesn't Totally Hide Your Online Activity

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Opening an incognito window feels like stepping into a private room on the internet. Your browser turns dark and mysterious, and suddenly, it's like nobody can see what you're doing online.

That's only partly true.

When you close a private browser window, like Chrome's Incognito mode, your web browser doesn't keep a record of the websites you visited. It also removes cookies and site data created during that private browsing session. That makes private browsing useful when you're using someone else's computer or looking up something you would rather not have sitting in your search history.

But private browsing isn't an invisibility cloak. The websites you visit may still be able to see some of your activity. So can your internet service provider or an organization managing your network, like your employer or school.

In short, "private browsing" sounds more comprehensive than it really is. Here's what private browsing actually hides, who may still be able to see your activity, when opening a private window is genuinely useful and how to use private browsing across your favorite web browsers.

What does Incognito mode actually hide?

Incognito mode prevents your browser from keeping a local record of your browsing session after you close every private window.

That means the websites you visit won't appear in your browser history. Cookies and other site data created during the session are also removed, which means websites shouldn't remember that you were logged in or retain other information from your visit the next time you open a regular browser window. Information you enter into forms, like a search query or an address, won't be saved for autocomplete either.

The exact details vary slightly by browser. Google Chrome calls the feature Incognito mode. Safari and Firefox call it Private Browsing, while Microsoft Edge calls it InPrivate browsing. All four are primarily designed to limit the information stored locally on your device.

There are a few important exceptions. Any files you download will remain on your computer after you close the private window, so other people will be able to find them, even if they no longer show up in your browser's download history. Bookmarks or favorites you save will also stay.

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