Open a private browsing window in three steps

An incognito tab on Mac stops your browser from storing your search history, cookies, and temporary files from that session. When you close the tab, the browser forgets where you went. This is useful when you're researching data brokers or checking what information about you is publicly visible — you don't want those searches cluttering your regular browsing history or being tracked by ad networks.

On Safari (the default Mac browser), press Command + Shift + N to open a private window. On Chrome, press Command + Shift + N as well. On Firefox, press Command + Shift + P. The window will look slightly different — Safari dims the interface, Chrome shows "You're in Incognito mode" at the top, and Firefox displays a purple mask icon — so you know you're in private mode.

The private window works exactly like a normal one. You can type in the address bar, click links, and fill out forms. When you close it, nothing from that session is saved to your computer.

Key Takeaways

  • Safari, Chrome, and Firefox all have private browsing modes with different keyboard shortcuts, but they all work the same way.
  • A private window does not hide your activity from your internet service provider, your employer's network, or the websites you visit — it only hides it from your own browser.
  • Closing the private window deletes the session history, cookies, and cached files from that window, but does not affect your regular browsing history.
  • Private browsing is useful when researching data brokers or checking what information is publicly available about you, so those searches don't appear in your regular history.

What private browsing does and does not hide

Private browsing hides your activity from your own computer and browser, not from the internet. When you use a private window, your browser does not save cookies (small files websites use to track you), search history, or cached files (temporary copies of web pages). If someone else uses your Mac, they will not see where you went in that private window.

However, your internet service provider can still see which websites you visit, because the traffic goes through their network. If you are on a work network, your employer can see your activity. The websites you visit can still track you if you log in with an account, because they know who you are. A private window does not use a VPN or hide your IP address — it only hides your activity from your own browser.

For stronger privacy when researching data brokers or checking what information is public about you, consider using a VPN (virtual private network) in addition to private browsing. A VPN hides your IP address and encrypts your traffic so your internet service provider cannot see which sites you visit. However, the VPN provider itself can see your activity, so choose one with a clear privacy policy.

Private browsing on different Mac browsers

Safari is built into macOS. Press Command + Shift + N to open a private window. The interface will appear slightly grayed out or dimmed to remind you that you are in private mode. You can open multiple private windows at once, and each one is separate — closing one does not close the others.

Chrome is a free browser from Google. Press Command + Shift + N to open an incognito window. Chrome displays a message at the top saying "You're in Incognito mode" along with an explanation that Chrome will not save your browsing history, cookies, or site data. You can open multiple incognito windows and switch between them.

Firefox is a free browser from Mozilla. Press Command + Shift + P to open a private window. Firefox shows a purple mask icon in the top left corner of the window to indicate private mode. Like the other browsers, you can open multiple private windows at once.

When to use private browsing for data broker research

Use a private window when you are searching for data brokers, checking removal websites, or looking up what information is publicly available about you. This keeps those searches out of your regular browser history, so you do not have a record of researching your own privacy on your computer.

Private browsing is also useful if you are using a shared Mac. If someone else in your household uses the same computer, a private window ensures they cannot see where you went or what you searched for. Close the private window when you are done, and the session is completely erased from the browser.

If you are concerned about your internet service provider or network administrator seeing your activity, private browsing alone is not enough — you would need a VPN as well. But for keeping your own browsing history clean and preventing websites from using cookies to track you across sessions, private browsing is effective and free.

Switching between private and regular browsing

You can have both a private window and a regular window open at the same time. In Safari and Chrome, they appear as separate windows in your dock or when you use Command + Tab to switch apps. In Firefox, they appear as separate windows as well. You can click between them or use Command + Tab to switch.

If you accidentally open a tab in the wrong window, you cannot move it — you have to open a new tab in the correct window and navigate back to the site. Close the private window when you are done researching, and your session is deleted. Your regular browsing window continues to save history and cookies as normal.

Frequently Asked Questions

Does private browsing hide my activity from my internet service provider?

No. Private browsing only hides your activity from your own browser. Your internet service provider can still see which websites you visit because the traffic goes through their network. To hide your activity from your ISP, you need a VPN (virtual private network).

Can I save bookmarks in a private window?

Yes. Bookmarks you create in a private window are saved to your browser permanently, just like bookmarks in a regular window. Only the browsing history, cookies, and cached files from the private session are deleted when you close the window.

What happens if I close a private window by accident?

The session is deleted when ready. You cannot recover the browsing history or cookies from that window. If you need to go back to a website, you will have to search for it again or type the address manually.

Do I need to turn off private browsing, or does it stop automatically?

Private browsing stops automatically when you close the private window. You do not need to turn it off. If you open a new private window later, it starts a fresh private session.

Can websites tell if I am using private browsing?

Some websites can detect private browsing mode, though most cannot. Websites cannot see your browser history or cookies from previous sessions, but they can see your current activity if you log in with an account. Private browsing does not hide your identity from websites you log into.