What clearing cookies does and why you might want to
Clearing cookies removes the small files that websites store on your phone to remember you — your login information, what you put in shopping carts, sites you've visited, and what ads to show you. When you clear them, websites forget you were there. The next time you visit, you'll be logged out, and sites won't remember your preferences.
Most people clear cookies for privacy: to stop websites from tracking which pages you visit across the internet, or to remove login information before handing your phone to someone else. Some people do it because their phone is running slowly or a website isn't working right — old cookies can sometimes cause that.
Clearing cookies does not delete your photos, messages, or apps. It only removes those small tracking and login files. Your browsing history is separate — you can clear one without clearing the other.
Key Takeaways
- Cookies are small files websites store on your phone to remember you; clearing them logs you out of most sites and stops some tracking.
- The steps differ slightly depending on whether you use Chrome, Firefox, Samsung Internet, or another browser.
- You can clear all cookies at once or choose a date range — for example, cookies from the last hour or the last week.
- Clearing cookies does not delete your photos, messages, apps, or browsing history unless you specifically choose to clear those too.
- If a website stops working after you clear cookies, you may need to log back in and refresh the page.
Clearing cookies in Chrome on Android
Open Chrome and tap the three vertical dots in the top right corner. Scroll down and tap Settings. Tap Privacy and security, then tap Clear browsing data.
At the top, you'll see a dropdown that says All time. Tap it if you want to clear cookies from only a specific time period — you can choose Last hour, Last 24 hours, Last 7 days, Last 4 weeks, or All time. Leave it on All time if you want to clear everything.
Make sure the box next to Cookies and site data is checked. You'll see other boxes for Browsing history, Cached images and files, and others — leave those unchecked unless you want to clear those too. Tap Clear data at the bottom. Chrome will clear the cookies and show you a confirmation message.
Clearing cookies in Firefox on Android
Open Firefox and tap the three horizontal lines in the bottom right corner. Tap Settings. Scroll down to Privacy and tap Delete browsing data.
You'll see checkboxes for different types of data. Make sure Cookies is checked. The other boxes — Browsing history, Cached images and files, and Site permissions — can stay unchecked unless you want to clear those. Tap Delete browsing data at the bottom.
Clearing cookies in Samsung Internet
Open Samsung Internet and tap the three horizontal lines in the bottom right. Tap Settings. Tap Privacy, then tap Delete browsing data.
Check the box next to Cookies and site data. Leave the other options unchecked unless you want to clear history or cached files too. Tap Delete. You may see a popup asking you to confirm — tap Delete again.
Clearing cookies in other Android browsers
Most other browsers follow a similar pattern: open the app, find the menu (usually three dots or three lines), go to Settings, look for Privacy or Browsing Data, and find the option to clear cookies. The exact names vary — some say Clear data, others say Clear cache, and some say Delete browsing data.
If you're not sure where to find it, open the browser's menu and search for the word "clear" or "privacy". Most browsers put this option in Settings under a Privacy or Data heading. If you get stuck, the browser's help page usually has a screenshot showing exactly where to tap.
What happens after you clear cookies
You'll be logged out of most websites. The next time you visit Facebook, Gmail, your bank, or any other site where you were logged in, you'll need to enter your username and password again. Websites won't remember your preferences — if you had set a site to dark mode, it may go back to light mode until you log in again.
Some websites may load slightly slower the first time you visit after clearing cookies, because they have to rebuild information about you. This is normal and temporary. If a website seems broken or won't load, try refreshing the page or logging in again.
Clearing cookies on a schedule
If you want to clear cookies automatically every time you close your browser, most Android browsers have a setting for that. In Chrome, go to Settings > Privacy and security and turn on Clear cookies and site data when you quit Chrome. In Firefox, go to Settings > Privacy and scroll to Delete browsing data on quit — turn it on and make sure Cookies is checked.
This is useful if you share your phone or want to stop websites from tracking you without having to remember to clear cookies manually. The downside is that you'll be logged out of everything when you close the browser, so you'll have to log back in next time.
Frequently Asked Questions
Will clearing cookies delete my passwords?
No. Cookies and saved passwords are stored separately. If you want to delete saved passwords, you have to do that in a different menu — usually under Settings > Passwords or Settings > Autofill. Clearing cookies alone will not touch your passwords.
Can I clear cookies from just one website?
Yes, but the steps vary by browser. In Chrome, go to Settings > Site settings > Cookies and site data, find the website you want to clear, and tap it to remove just that site's cookies. Firefox and Samsung Internet have similar options in their Privacy settings, though the exact path differs slightly.
What's the difference between clearing cookies and clearing cache?
Cookies are small files that remember you — your login, preferences, and tracking data. Cache is larger files like images and videos that websites store to load faster next time. Clearing cache frees up phone storage and can fix slow loading, but it doesn't log you out or stop tracking the way clearing cookies does.
Do I need to clear cookies regularly?
Not unless you want to. Cookies take up very little space on your phone. Most people clear them for privacy reasons or when a website isn't working right. If you don't care about tracking or don't share your phone, clearing cookies is optional.
What if I clear cookies by accident?
You can't undo it. You'll need to log back into websites and reset any preferences you had saved. This is why most browsers ask you to confirm before clearing — if you see that confirmation popup, you can tap Cancel to stop.