What private browsing does and doesn't protect

Private browsing (also called incognito mode or private mode) stops your browser from storing a record of the websites you visit, the searches you make, and the passwords you enter during that session. When you close the private window, that history is deleted automatically.

What it does not do: private browsing does not hide your activity from your internet service provider, your employer if you are on their network, or the websites you visit. Those sites still see that you arrived and what you did there. It also does not protect you from malware, phishing links, or viruses. It is a tool for local privacy on your device, not a shield against tracking across the internet.

Private browsing is useful when you share a device with others and do not want them to see your search history, or when you are shopping and do not want the site to remember your browsing for targeted ads later. It is not a substitute for a VPN if you are concerned about your internet service provider seeing what you do online.

Key Takeaways

  • Private browsing deletes your local history, searches, and temporary files when you close the window, but does not hide your activity from websites or your internet service provider.
  • Every major browser has a private mode built in, and you can open it with a keyboard shortcut or from the menu.
  • Websites can still track you in private mode using cookies and other methods, so private browsing is not the same as anonymous browsing.
  • Private browsing works on a per-window basis — opening a regular window alongside a private one means the regular window still stores history normally.

How to enable private browsing in Chrome

Open Google Chrome and press Ctrl+Shift+N on Windows or Linux, or Command+Shift+N on Mac. A new window will open with a spy icon in the top left corner and the words "You are now in Incognito mode" displayed. Any tabs you open in this window will not be saved to your history.

You can also reach it through the menu: click the three vertical dots in the top right corner, then select "New Incognito window" from the dropdown. If you want to open a single tab in incognito mode instead of a whole new window, right-click any link and choose "Open link in Incognito window."

How to enable private browsing in Firefox

Open Firefox and press Ctrl+Shift+P on Windows or Linux, or Command+Shift+P on Mac. A new window will open with a purple mask icon and the label "Private Browsing" at the top. Everything you do in this window stays local to that session.

From the menu, click the hamburger icon (three horizontal lines) in the top right, then select "New Private Window." You can also right-click a link and choose "Open Link in New Private Window" to open just that page privately without opening a whole new window.

How to enable private browsing in Safari

Open Safari and press Command+Shift+N on Mac. A new private window will open with a dark background and the label "Private" next to the address bar. On iPad and iPhone, swipe up from the bottom of the screen (or swipe down from the top right on newer models), tap "Tabs," then tap "Private" in the bottom left corner.

From the menu on Mac, click "File" at the top, then select "New Private Window." You can also hold down the click on a link and choose "Open in New Private Window" to keep that single page private.

How to enable private browsing in Edge

Open Microsoft Edge and press Ctrl+Shift+N on Windows or Command+Shift+N on Mac. A new window will open with a blue mask icon and the label "InPrivate" at the top. Tabs in this window will not appear in your history or search suggestions.

From the menu, click the three dots in the top right corner and select "New InPrivate window." Right-clicking a link and choosing "Open link in New InPrivate window" will open that page privately without launching a full new window.

What happens to your data in private mode

When you close a private browsing window, your browser deletes the temporary files it created during that session. This includes your browsing history, search history, cookies from that session, and cached images and text. Passwords you entered are not saved. Downloads you made are still on your device — private mode does not delete files you chose to save.

Bookmarks you create in private mode are saved permanently, because you explicitly chose to bookmark them. If you log into an account (like Gmail or Facebook) in a private window, you are logged in for that session, but the login cookies are deleted when you close the window. The next time you open a private window, you will need to log in again.

Websites can still see that you visited them and what you did there. They can use cookies, tracking pixels, and other methods to follow your activity even in private mode. Private browsing only prevents your browser from storing that information locally.

When private browsing is not enough

If your concern is that your internet service provider, employer, or network administrator can see which websites you visit, private browsing will not help. Those parties see your traffic at the network level, not through your browser history. A VPN (virtual private network) encrypts your traffic so that your internet service provider cannot see the sites you visit, though the VPN provider itself can.

If you are worried about websites tracking you across the internet, private browsing helps only slightly. Websites can still identify you through login accounts, device fingerprinting, and other methods. Browser extensions that block trackers, or using a privacy-focused search engine like DuckDuckGo, offer more protection against cross-site tracking than private mode alone.

If you are concerned about malware or phishing, private browsing offers no extra protection. A malicious link is dangerous whether you open it in private mode or regular mode. Antivirus software and careful judgment about which links you click are your real defenses.

Frequently Asked Questions

Can someone see my private browsing history if they have access to my device?

No. Once you close the private window, the history is deleted from your device. Someone would have to be monitoring your network traffic in real time to see what you were doing. Private browsing protects you from people who use your device after you, not from people watching your network.

Does private browsing hide my IP address?

No. Websites still see your IP address in private mode. Your IP address is sent with every request you make to a website, regardless of whether you are in private mode. If you want to hide your IP address, you need a VPN.

Will my employer see my private browsing if I am on their network?

Yes. Your employer can see which websites you visit on their network, even in private mode, because they monitor traffic at the network level. Private mode only hides your history from your device. It does not encrypt your traffic or hide it from network administrators.

Can I set my browser to always open in private mode?

Most browsers do not have a built-in setting to make all windows private by default. However, you can create a shortcut to open a private window directly, or use browser extensions that automate private mode. Check your browser's settings menu under "Privacy" or "Startup" to see if this option is available in your version.

Does private browsing protect me from viruses?

No. Private browsing does not scan websites for malware or protect you from downloading infected files. A virus is dangerous whether you download it in private mode or regular mode. Use antivirus software and avoid clicking suspicious links regardless of your browsing mode.