Where iPhone stores cookies and why you might want to clear them
Cookies on your iPhone are small files that websites store in your browser to remember you — your login information, what you put in a shopping cart, your preferences. Safari, Chrome, Firefox, and other browsers all keep these files. Over time, they pile up and can slow down your browser or use storage space you need for other things.
Clearing cookies also removes tracking data that websites and advertisers use to follow you across the internet. If you share your iPhone with someone else, clearing cookies removes their browsing history from your accounts. The process is different depending on which browser you use, but all of them let you delete cookies in settings.
Key Takeaways
- Safari stores cookies in Settings > Safari > Clear History and Website Data, where you choose what time period to clear.
- Chrome, Firefox, and Edge each have their own in-app settings menu where you can clear browsing data without leaving the browser.
- Clearing cookies will log you out of most websites, so you will need to sign back in afterward.
- You can set any browser to clear cookies automatically when you close it, which removes the need to do it manually.
- Clearing cookies does not delete your passwords unless you specifically choose to clear saved passwords at the same time.
Clearing cookies in Safari
Safari is the default browser on iPhone. To clear all cookies, open Settings, scroll down and tap Safari, then tap Clear History and Website Data. A menu appears with three options: the last hour, today, today and yesterday, or all time. Choose all time to remove every cookie stored in Safari. Tap Clear History and Data to confirm.
This action clears cookies, browsing history, and cached website data all at once. If you want to clear only cookies and not your browsing history, Safari does not offer that option — you have to clear everything together. After you clear, you will be logged out of most websites and will need to sign back in the next time you visit them.
Clearing cookies in Chrome, Firefox, and Edge
Chrome, Firefox, and Edge all let you clear cookies from within the app itself, without going to Settings. In Chrome, tap the three dots in the bottom right corner, scroll down and tap Settings, tap Privacy, then tap Clear Browsing Data. Choose the time range at the top — Last hour, Last 24 hours, Last 7 days, Last 4 weeks, or All time. Make sure Cookies and site data is checked, then tap Clear Browsing Data.
Firefox works similarly: tap the menu button (three horizontal lines) at the bottom right, tap Settings, tap Data Management, then tap Clear Private Data. Check Cookies and tap Clear Private Data. Edge uses the same approach: tap the three dots, tap Settings, tap Privacy, Browsing History, and Clear Browsing Data. Select your time range and make sure Cookies and cached images and files is checked.
All three browsers will log you out of websites after you clear cookies. Unlike Safari, these browsers let you choose to clear only cookies without clearing your entire browsing history — you can uncheck History, Cached Images and Files, and other options if you want to keep them.
Setting browsers to clear cookies automatically
If you want cookies deleted every time you close your browser, you can turn this on in settings. In Safari, go to Settings > Safari and toggle on Clear History and Website Data. You can choose whether this happens when you close Safari or at a set time each day. In Chrome, tap the three dots, go to Settings > Privacy, and toggle on Delete cookies and site data when you quit Chrome.
Firefox has the same option: tap the menu button, go to Settings > Data Management, and toggle on Delete browsing data on quit. You can then choose which types of data to delete — cookies, history, cached data, and others. Edge offers the same feature under Settings > Privacy > Clear Browsing Data > Choose what to clear every time you close the browser.
Turning on automatic clearing means you start each browsing session fresh, but you will also be logged out of websites every time you close the app. This is useful if you share your iPhone or want maximum privacy, but inconvenient if you visit the same sites regularly and want to stay logged in.
What happens when you clear cookies
Clearing cookies logs you out of most websites. The next time you visit a site where you had an account, you will see the login page instead of your account. Some sites may also forget your preferences — font size, language, theme color — if they stored those in cookies rather than in your account settings.
Clearing cookies does not delete your saved passwords. If you have saved your password in Safari or Chrome, you can still use the autofill feature to log back in quickly. If you want to delete passwords as well, you have to choose that option separately in the clear data menu — it is not selected by default.
Your browsing history remains separate from cookies. You can clear cookies without clearing history, or clear history without clearing cookies, depending on which browser you use and which options you select. Clearing cookies also does not remove data stored by apps — only data stored by your web browser.
When to clear cookies and when to leave them alone
Clear cookies if your browser is running slowly, if you want to remove tracking data before visiting a sensitive website, or if you share your iPhone and want to remove someone else's login information. Clearing cookies also helps if a website is not loading correctly — sometimes old or corrupted cookie data causes display problems, and clearing them fixes the issue.
You do not need to clear cookies regularly just to maintain your phone. Modern iPhones have plenty of storage, and cookies take up very little space. If privacy is your main concern, turning on automatic cookie clearing when you close the browser is more effective than clearing them manually once a week.
If you use the same websites every day and want to stay logged in, clearing cookies frequently becomes annoying because you will have to sign back in repeatedly. In that case, you might prefer to clear cookies only when you notice your browser slowing down, or to use private browsing mode instead, which does not store cookies at all.
Using private browsing to avoid storing cookies
Private browsing mode (called Incognito in Chrome) does not store cookies, history, or cached data. When you close a private tab, nothing is saved. In Safari, tap the tabs button in the bottom right, then tap Private to open a private tab. In Chrome, tap the three dots, tap New Incognito tab. Firefox and Edge have similar options in their menu buttons.
Private browsing is useful when you are on a shared device, when you want to visit a website without being tracked, or when you want to log into two accounts on the same site at the same time. The downside is that you stay logged out — you have to sign in every time you visit a site, and the browser will not remember your preferences or autofill information.
Frequently Asked Questions
Will clearing cookies delete my saved passwords?
No. Passwords are stored separately from cookies. When you clear cookies, the browser asks if you want to clear saved passwords as a separate option. If you do not check that box, your passwords stay saved and you can still use autofill to log back in.
Can I clear cookies from just one website instead of all of them?
Safari does not let you delete cookies from a single site — you have to clear all cookies or none. Chrome, Firefox, and Edge do not offer this option in their main settings either. If you need to clear data from one site only, private browsing mode is your best option for future visits to that site.
Why does a website keep asking me to log in after I clear cookies?
Clearing cookies removes the token that keeps you logged in. The website has no way to know who you are until you sign in again. This is normal and expected. If you want to avoid this, turn off automatic cookie clearing or use private browsing only when you need it.
Does clearing cookies speed up my iPhone?
Cookies use very little storage space, so clearing them will not noticeably speed up your phone. If your browser is slow, the problem is usually too many open tabs, a weak internet connection, or a website with heavy ads or scripts. Clearing cookies may help if a specific website is not loading correctly due to corrupted cookie data.
What is the difference between clearing cookies and clearing cache?
Cookies are small files websites use to remember you. Cache is larger files — images, scripts, stylesheets — that your browser saves to load websites faster next time. Clearing both together removes tracking data and frees up some storage, but clearing cache has more impact on browser speed than clearing cookies alone.