What cookies are and why you might want to clear them
Cookies are small files that websites store on your phone to remember information about you — your login details, what you put in a shopping cart, sites you've visited. They make browsing faster and more convenient, but they also mean websites can track your activity across the internet. Clearing them removes that stored data and erases the trail of where you've been online.
You might clear cookies if you're selling your phone, sharing it with someone else, or simply want to reset how websites see you. Clearing cookies won't delete your photos or messages — it only removes the data that websites have stored on your device.
Key Takeaways
- Clearing cookies on Android happens in your browser's settings, usually under Privacy or History, and takes about one minute.
- On iPhone, go to Settings > Safari (or your browser app) > Clear History and Website Data, then choose the time range you want to clear.
- Clearing cookies will log you out of most websites, so you'll need to sign back in afterward.
- If you use multiple browsers on your phone, you'll need to clear cookies in each one separately.
Clearing cookies on Android phones
The exact steps depend on which browser you use, but the process is similar across Chrome, Firefox, and Samsung Internet. Open your browser and look for the menu icon — usually three vertical dots in the top right corner. Tap it, then look for Settings or Privacy.
In Chrome, tap Settings, then Privacy and Security, then Clear Browsing Data. A window will appear asking what you want to clear. Make sure "Cookies and site data" is checked. At the top, you can choose the time range — "All time" clears everything, or you can pick "Last hour," "Last 24 hours," or "Last 7 days" if you only want to remove recent cookies. Tap Clear Data and wait a few seconds for it to finish.
In Firefox, tap the menu icon, then Settings, then Privacy, then Clear Private Data. Check the box next to "Cookies" and tap Clear Private Data at the bottom. In Samsung Internet, tap the menu icon, then Settings, then Privacy, then Delete Browsing Data, check "Cookies and site data," and tap Delete.
Clearing cookies on iPhones and iPads
On iPhone, the process is the same whether you use Safari or another browser, but you do it through the Settings app rather than the browser itself. Go to Settings, scroll down and tap Safari (or the name of your browser — Chrome, Firefox, Edge). Scroll down to the bottom and tap Clear History and Website Data.
A menu will appear asking which time period to clear. Choose "All time" to remove everything, or pick a shorter window if you only want to clear recent cookies. Tap Clear History and Website Data again to confirm. The process takes a few seconds.
If you use a browser other than Safari — Chrome, Firefox, or Edge — the steps are slightly different. Open that browser app, tap the menu icon (usually three dots or lines), go to Settings, then Privacy or History, and look for an option to clear browsing data or cookies. The exact wording varies, but the result is the same.
What happens after you clear cookies
After clearing cookies, you'll be logged out of most websites. The next time you visit a site where you had an account, you'll need to sign in again. This is normal and expected — it's actually a sign that the cookies were cleared successfully.
Some websites may also load slightly differently or run more slowly the first time you visit after clearing cookies, because they no longer have stored information about your preferences. This passes quickly as new cookies are created.
Clearing cookies in multiple browsers
If you use more than one browser on your phone — for example, both Chrome and Firefox — you'll need to clear cookies in each one separately. Cookies stored in Chrome are separate from cookies stored in Firefox, so clearing one doesn't affect the other.
Go through the steps above for each browser you use regularly. This takes only a few minutes total and ensures all your browsing data is cleared across your entire phone.
The difference between clearing cookies and clearing cache
Cookies and cache are related but different. Cookies are the small files websites use to remember you. Cache is the collection of images, videos, and other files your browser downloads and stores so pages load faster the next time you visit.
When you clear browsing data, most phones give you the option to clear cookies, cache, or both. If you want to free up storage space on your phone, clearing cache can help — it's usually much larger than cookies. If you only care about privacy, clearing cookies is enough. Most people clear both at the same time.
Frequently Asked Questions
Will clearing cookies delete my passwords?
No. Passwords are stored separately from cookies. If you want to delete saved passwords, you'll need to do that in a different section of your browser settings — usually under Passwords or Autofill. Clearing cookies alone won't affect them.
Do I need to clear cookies regularly?
Not necessarily. Clearing cookies is a personal choice based on how much you care about privacy and how often you want to reset your browsing experience. Some people clear them monthly, others only when they're about to sell their phone. There's no "right" schedule.
What if I clear cookies by accident?
You can't undo it — the cookies are gone. But this isn't a disaster. You'll just need to sign back into your accounts, and websites will start storing new cookies as you browse. Nothing is permanently lost.
Will clearing cookies make my phone faster?
Probably not noticeably. Cookies are tiny files and don't significantly slow down your phone. If you want to speed up your phone, clearing cache or restarting it is more effective than clearing cookies.
Can websites tell if I cleared my cookies?
Not directly. But websites may notice that you're suddenly a "new" visitor with no browsing history, which is a clue that you cleared your data. This doesn't cause any problems — it just means they'll start tracking you fresh.