Safari stores cookies automatically — here's how to delete them
Cookies are small files that websites store on your iPhone to remember you. They track what you've looked at, what you've bought, and where you've been online. Clearing them removes that record from your device, though it won't stop websites from collecting new cookies the next time you visit.
On Safari for iPhone, you clear cookies through Settings, not through the Safari app itself. The process takes about one minute and removes cookies from all websites at once — you cannot delete cookies from a single site without clearing all of them.
Key Takeaways
- Open Settings, tap Safari, then tap "Clear History and Website Data" to remove all cookies from your iPhone at once.
- You can choose to clear data from the last hour, today, today and yesterday, or all time — selecting "all time" removes the most history.
- Clearing cookies also removes your browsing history and cached website data, which speeds up Safari but means websites won't remember you.
- If you want Safari to stop storing cookies entirely, turn on "Block All Cookies" in Settings, though this may break some websites.
- Clearing cookies on your iPhone does not affect cookies stored on other devices like a Mac or iPad.
The step-by-step process to clear Safari cookies
Start by opening the Settings app on your home screen — it has a gray icon with white gears. Scroll down until you see Safari listed in alphabetical order, usually after Photos and before Shortcuts. Tap Safari to open its settings.
Scroll to the bottom of the Safari settings page. You will see a red button labeled "Clear History and Website Data". Tap it. A popup will appear asking you to choose a time range: "the last hour", "today", "today and yesterday", or "all time". Choose "all time" to remove all cookies stored on your device. Tap "Clear History and Data" to confirm.
Safari will clear your browsing history, cookies, and cached website data in a few seconds. You will return to the Safari settings page. The process is complete.
What happens after you clear cookies
Websites will no longer remember you. If you visit a shopping site, your cart will be empty. If you visit a news site, it will not remember which articles you have read. You will need to log back into accounts — Gmail, Facebook, banking sites, and others will treat you as a new visitor.
Some websites may load slightly slower the first time you visit after clearing cookies, because Safari has to read images and code again instead of using cached copies. This slowdown is usually not noticeable.
New cookies will start collecting when ready. The moment you visit a website after clearing, that website can place new cookies on your device. Clearing cookies is a one-time action, not an ongoing protection.
The difference between clearing cookies and blocking them
Clearing cookies removes the ones already stored. Blocking cookies prevents new ones from being stored in the first place. In Safari settings, you can turn on "Block All Cookies" to stop websites from placing cookies on your device at all.
Blocking all cookies has a trade-off: some websites will not work properly. You may not be able to stay logged in, shopping carts may not function, and some pages may display incorrectly. Most people find blocking all cookies too restrictive and prefer to clear cookies periodically instead.
A middle ground is to use Safari's default setting, which blocks third-party cookies (cookies from advertisers and data brokers) while allowing first-party cookies (cookies from the website you are visiting). This is the default in Safari and offers reasonable protection without breaking most websites.
Why clearing cookies matters for your privacy
Cookies are how data brokers and advertisers track you across websites. A cookie from an ad network can follow you from a news site to a shopping site to a health forum, building a profile of your interests. Clearing cookies breaks that chain of tracking, at least temporarily.
Clearing cookies does not hide you from your internet service provider, your phone's location services, or the websites you visit — those still know who you are. But it does remove one major tool that advertisers use to build detailed profiles about you.
If you have already removed your information from data broker websites, clearing cookies prevents those brokers from rebuilding their profiles about you through tracking. It is one part of a larger privacy routine, not a complete solution by itself.
When to clear cookies and how often
You can clear cookies as often as you want. Some people do it weekly, others monthly. There is no penalty for clearing frequently — the only cost is that websites will not remember you, which most people find acceptable.
A practical routine is to clear cookies when you notice you are being logged out of accounts unexpectedly, or when you want to visit a sensitive site (a health site, a financial site, a legal resource) and do not want that visit tracked. You can also clear cookies before selling or giving away your iPhone.
If you clear cookies and when ready visit the same websites, you will see that they place new cookies right away. This is normal and expected. Clearing cookies is not a permanent fix — it is a regular maintenance task, like clearing your browser cache.
Other ways to reduce cookie tracking on iPhone
Safari has a feature called Intelligent Tracking Prevention that blocks some trackers automatically. It is on by default and does not require any action from you. You can verify it is on by going to Settings > Safari and checking that "Prevent Cross-Site Tracking" is enabled.
You can also use a private browsing window in Safari, called "Private Browsing". When you use Private Browsing, Safari does not save your history or cookies from that session. Open a new Private Browsing window by tapping the tabs icon at the bottom of Safari, then tapping "Private" in the lower left. Any cookies created in that window are deleted when you close it.
Private Browsing is useful for one-off visits to sensitive sites, but it does not protect you from the website itself or your internet service provider. It only protects you from other people using your device.
Frequently Asked Questions
Will clearing cookies log me out of everything?
Yes. Clearing cookies removes the login tokens that keep you signed in to accounts. You will need to log back into Gmail, Facebook, banking sites, and any other accounts you use. Write down your passwords or use a password manager before clearing cookies if you are worried about remembering them.
Can I clear cookies from just one website?
No. Safari does not have a way to clear cookies from a single website. You can only clear all cookies at once, or block all cookies entirely. If you want to clear cookies from one site but keep others, you would need to use a different browser like Chrome or Firefox, which have per-site cookie controls.
Does clearing cookies on iPhone affect my Mac or iPad?
No. Each device stores its own cookies separately. Clearing cookies on your iPhone does not affect Safari on your Mac, iPad, or any other device. You would need to clear cookies on each device individually if you want to remove them everywhere.
What is the difference between cookies and cache?
Cookies are files that store login information and tracking data. Cache is stored images, code, and other website files that help pages load faster. When you tap "Clear History and Website Data", you clear both. Clearing cache makes websites load slightly slower the first time, but it does not log you out of accounts.
If I block all cookies, will websites still work?
Most will, but some will not. Shopping carts may not function, you may not stay logged in, and some pages may display incorrectly. Safari's default setting — blocking only third-party cookies — works better for most people because it stops tracking while keeping websites functional.