What clearing your cache actually does

Your browser stores copies of images, videos, and web pages you visit so they load faster the next time. Over months, this storage pile grows to hundreds of megabytes and can slow down your computer or cause a website to show you outdated information. Clearing the cache deletes these stored copies and forces your browser to read fresh versions.

You do not lose passwords, bookmarks, or saved usernames when you clear the cache — those live in a different storage area. You will straightforward see a brief pause the next time you visit a site while it downloads everything new. Most people notice their browser feels snappier afterward, especially if they have not cleared it in several months.

Key Takeaways

  • Clearing cache removes stored images and page copies but keeps your passwords and bookmarks intact.
  • The process takes under two minutes and the steps differ slightly between Chrome, Firefox, Safari, and Edge.
  • You can set your browser to clear cache automatically when you close it, so you never have to think about it again.
  • Clearing cache fixes many common problems like a website showing old information or pages loading incorrectly.

How to clear cache in Chrome

Open Chrome and press Ctrl + Shift + Delete on Windows, or Command + Shift + Delete on Mac. A window titled "Clear browsing data" will appear. At the top, you will see a dropdown that says "All time" — leave it there unless you only want to clear the last hour or day.

Make sure the box next to "Cached images and files" is checked. You can leave the other boxes checked too if you want to clear cookies and browsing history at the same time, but cache is the main one. Click the blue "Clear data" button at the bottom right. You are done — the cache is gone.

How to clear cache in Firefox

Open Firefox and press Ctrl + Shift + Delete on Windows, or Command + Shift + Delete on Mac. The "Clear Recent History" window opens. In the dropdown at the top that says "Time range to clear", select "Everything" unless you want to limit it to a specific period.

Look for the checkbox labeled "Cache" and make sure it is checked. You will see other options like "Cookies" and "Browsing & read history" — these are optional. Click the blue "Clear Now" button. Firefox clears the cache when ready and closes the window.

How to clear cache in Safari

Open Safari and click the menu bar at the very top of your screen. Look for "Safari" in the menu (not in the window title, but in the actual menu bar). Click it and scroll down until you see "Clear History". Click that option.

A small window appears asking "Clear history from" with a dropdown. Select "all history" to clear everything, or pick a specific time range. Click "Clear History" at the bottom right. Safari clears the cache along with your browsing history — Safari does not separate them the way Chrome and Firefox do.

How to clear cache in Edge

Open Microsoft Edge and press Ctrl + Shift + Delete on Windows. The "Clear browsing data" window opens on the right side of your screen. At the top, you will see "Time range" with a dropdown — select "All time" unless you want a shorter period.

Check the box next to "Cached images and files". The other options like "Cookies" and "Browsing history" are optional. Click the blue "Clear now" button. Edge clears the cache and the window closes.

Setting your browser to clear cache automatically

If you do not want to remember to clear cache manually, you can tell your browser to do it every time you close it. In Chrome, click the three vertical dots in the top right corner, then "Settings". Click "Privacy and security" on the left, then "Clear browsing data". Check the box that says "Clear cookies and other site data when you quit Chrome". From now on, your cache clears automatically.

Firefox has a similar option: click the three horizontal lines in the top right, then "Settings". Click "Privacy & Security" on the left and scroll down to "Cookies and Site Data". Check the box that says "Delete cookies and site data when Firefox is closed". Safari and Edge have comparable settings in their preferences menus. Once you turn this on, you never have to think about clearing cache again.

When to clear your cache

Clear your cache if a website looks broken, shows outdated information, or loads slowly. You should also clear it if you are using a shared computer and do not want others to see which sites you visited. Some people clear it monthly as routine maintenance, while others only do it when something goes wrong.

If you clear cache and a problem persists, try clearing cookies as well — cookies are separate from cache and sometimes cause similar issues. You can also try opening the site in a private or incognito window, which does not use cache at all. If the site works fine in private mode, cache was definitely the problem.

Frequently Asked Questions

Will clearing cache delete my passwords?

No. Passwords are stored separately from cache. Clearing cache will not affect saved usernames or passwords. If you want to remove saved passwords, you have to do that in a different settings menu.

Why does my browser feel slower after I clear the cache?

It does not — it feels slower for a few minutes because websites have to read fresh copies of images and files. Once you visit your regular sites again, they cache new copies and load normally. This slowdown is temporary.

How much space does cache actually take up?

It varies widely depending on how much you browse. Cache can range from 100 megabytes to over a gigabyte on computers that have not cleared it in years. Clearing it frees up that space on your hard drive.

Can I clear cache for just one website instead of everything?

Most browsers do not have a straightforward way to clear cache for a single site. The easiest workaround is to open that site in a private or incognito window, which bypasses cache entirely. Otherwise, you have to clear all cache and accept that you will reload everything.

What is the difference between cache and cookies?

Cache stores images and page files to make sites load faster. Cookies store login information, preferences, and tracking data. Both slow down your browser over time, but clearing cookies also logs you out of websites, while clearing cache does not.