Clearing cookies removes the tracking files that websites store on your computer
Cookies are small files that websites save to your Mac to remember you — your login information, what you put in a shopping cart, sites you've visited. Data brokers and advertisers use cookies to track your browsing across different websites and build a profile of your interests. Clearing cookies regularly breaks some of that tracking and removes the record of where you've been.
The process takes less than a minute and works the same way in every web browser. You can clear cookies from just today, the last week, or all time. Most people should clear all cookies at least once a month, or more often if you want to limit tracking.
Key Takeaways
- Clearing cookies removes files that websites use to track your browsing and remember your activity across sites.
- Safari, Chrome, and Firefox all have a "Clear Browsing Data" or "Clear History" option in their settings menu that removes cookies in under a minute.
- You can choose to clear cookies from just today, the last week, or all time — clearing all time removes the most tracking data.
- Clearing cookies will log you out of most websites, so you may need to sign back in to email, banking, and social media accounts.
- Clearing cookies does not delete your browser history or passwords unless you specifically check those boxes too.
How to clear cookies in Safari on Mac
Open Safari and click Safari in the menu bar at the top of your screen. Select Clear History from the dropdown menu. A window will appear asking how far back you want to clear — choose all history to remove all cookies, or pick a shorter timeframe like the last day if you only want to clear recent tracking.
Make sure the checkbox next to Cookies and other website data is checked. You can leave the other boxes unchecked if you want to keep your browsing history and passwords. Click Clear History and the cookies are gone. This usually takes a few seconds.
How to clear cookies in Chrome on Mac
Open Chrome and click the three vertical dots in the top right corner. Select Settings from the menu. On the left side, click Privacy and security, then click Clear browsing data.
A window will pop up. At the top, choose your time range — All time removes all cookies, while Last 24 hours or Last 7 days clear only recent ones. Make sure Cookies and other site data is checked. Leave the other boxes unchecked unless you want to delete your history and passwords too. Click Clear data and you're done.
How to clear cookies in Firefox on Mac
Open Firefox and click the menu button (three horizontal lines) in the top right corner. Select Settings. On the left side, click Privacy & Security. Under the Cookies and Site Data section, click Clear Data.
A small window appears. Make sure Cookies and Site Data is checked. You can leave Cached Web Content unchecked unless you want to free up storage space. Click Clear and the cookies are removed. Firefox will ask you to confirm — click Clear again.
What happens after you clear cookies
You will be logged out of most websites. The next time you visit Gmail, your bank, or social media, you'll need to sign in again. This is normal and expected — the cookie that kept you logged in is gone.
Websites may also load slightly slower the first time you visit them after clearing cookies, because they have to rebuild some of the data they normally store. Your bookmarks, passwords (unless you specifically deleted them), and browsing history remain untouched unless you checked those boxes during the clearing process.
How often you should clear cookies
Clearing cookies once a month is a reasonable routine for most people. If you want to limit tracking more aggressively, clear them weekly or even daily. Some people clear cookies every time they close their browser — you can set this up automatically in Safari, Chrome, and Firefox through their settings.
If you're concerned about data brokers collecting information about you, clearing cookies is one step, but it's not complete protection by itself. Cookies are just one way trackers follow you. Clearing cookies works best alongside other steps like using a private browsing mode, disabling third-party cookies in your browser settings, or using a privacy-focused search engine.
Clearing cookies versus private browsing
Private browsing (called Incognito in Chrome, Private Window in Firefox, and Private in Safari) prevents your browser from saving cookies in the first place. When you close a private window, all cookies from that session are automatically deleted. This is useful for one-time tasks like checking email on a shared computer or shopping without being tracked.
Regular browsing saves cookies so websites can remember you. Clearing cookies afterward removes that saved data. Private browsing is better for preventing tracking in the moment, while clearing cookies is better for cleaning up tracking that already happened. You can use both — private browsing for sensitive tasks, and regular cookie clearing as routine maintenance.
Frequently Asked Questions
Will clearing cookies delete my passwords?
No, unless you specifically check the box for passwords during the clearing process. Cookies and passwords are stored separately. You can clear cookies and keep passwords, or clear both — it's your choice in the dialog box.
Do I need to clear cookies on my phone too?
Yes. Safari on iPhone, Chrome on Android, and Firefox on both work the same way. The process is slightly different because of the phone interface, but the result is the same — cookies are removed and you'll be logged out of websites.
Can I clear cookies from just one website?
Yes. In Safari, go to Safari > Preferences > Privacy and click Manage Website Data to see individual sites and remove them one at a time. Chrome and Firefox have similar options in their settings under Privacy or Site Data.
What's the difference between clearing cookies and clearing cache?
Cookies are files websites use to track you and remember your activity. Cache is temporary copies of images, videos, and pages your browser saves to load websites faster. Clearing cache frees up storage space but doesn't stop tracking. Clearing cookies stops tracking but doesn't free much space. You can clear both at once if you want.
If I clear cookies, will websites still track me?
Cookies are one tracking method, but not the only one. Websites also track you through your IP address, browser fingerprinting, and login accounts. Clearing cookies removes one layer of tracking, but it's most effective when combined with private browsing, disabling third-party cookies in your settings, and being cautious about what information you share online.