How to Clear Cache Memory | Steps for Every Device

Clearing cache memory removes temporary files stored by browsers, apps, and the system, freeing storage and fixing slowdowns on Windows, Mac, Android, and iOS.

Cache files exist to speed things up—they store bits of websites, app data, and system processes so your device doesn’t fetch them from scratch every time. Over time, that same cache can balloon, get corrupted, or serve up stale versions of pages. The fix is simple: clear it. The right method depends on which platform you’re on and which type of cache you want to wipe. This guide runs through the exact steps for every major OS.

What Cache Are You Trying to Clear?

Cache comes in three flavors, and each requires a different approach. Browser cache stores website files—images, scripts, page layouts. Clearing it forces a fresh load of every site. App cache holds data individual applications use on your phone or computer. System or RAM cache lives in memory and is usually best left alone, though a restart handles it automatically.

The table below shows which method matches each type across the four main platforms.

How to Clear Browser Cache on Windows and Mac

The universal shortcut Ctrl + Shift + Delete (Windows) or Cmd + Shift + Delete (Mac) works in Chrome, Edge, and Firefox. Set the time range to All time, check Cached images and files, then click Clear data. If you want to stay logged into sites, leave Cookies and site data unchecked.

On Safari for Mac, go to Safari > Settings > Advanced, check Show Develop menu, then use Develop > Empty Caches.

How to Clear System Cache on Windows 10 and 11

Windows stores temporary system files, app leftovers, and update data in a dedicated folder you can clean safely.

Open Settings > System > Storage, click Temporary files, check the boxes for Temporary files, System cache, and Windows Update cleanup, then hit Remove files.

The classic Disk Cleanup tool still works too—search for it in the Start menu, select drive C, check the same categories, and confirm deletion.

For a faster approach, press Win + R, type %temp%, select all files (Ctrl + A), and delete them. Skip any files that are in use when prompted.

Microsoft’s support discussions confirm these steps work on the latest Windows 11 builds.

How to Clear Cache on a Mac (macOS 12 and Later)

macOS stores user-level cache in a hidden folder. Open Finder, click Go in the menu bar, choose Go to Folder, and type ~/Library/Caches. You’ll see folders for each app—Safari, Chrome, Adobe, and others. Open each folder and move the files inside to the Trash, but do not delete the folder itself. Apps expect those folders to exist, and removing them can cause crashes.

System-wide cache lives at /Library/Caches. Same rule applies: clear the contents, keep the folders. Always have a backup before deleting anything from the system-level cache.

To clear inactive RAM on a Mac, open Terminal and run sudo purge. You’ll need your admin password. This is rarely necessary—a restart does the same job more cleanly.

How to Clear Cache on Android (Chrome and Per-App)

For browser cache in Chrome, open the app, tap the three dots in the top right, go to History > Clear browsing data, set the Time range to All time, check Cached images and files, and tap Clear data. You can also check Cookies and site data if you don’t mind signing back into sites.

To clear cache for a single app, open Settings > Apps, tap the app (say, Instagram or TikTok), select Storage, then Clear cache. This won’t delete your login or personal data—just the temporary files that app downloaded.

Android also offers a deeper system-cache wipe through recovery mode. Power off the device, then press and hold Volume Up + Side button (combinations vary by brand—Samsung uses Power + Bixby, Pixel uses Power + Volume Up). When the Android logo appears, release the buttons. Use Volume Down to highlight Wipe cache partition, confirm with Power, then select Reboot system now. Be careful not to select “Wipe data/factory reset”—that erases everything.

Detailed instructions are available at Android’s official support page.

How to Clear Cache on iPhone and iPad (iOS 15+)

iOS gives you less manual control over system cache than Android does. The most effective method for clearing system-wide temporary data is a simple restart. Power off your iPhone, wait a few seconds, and turn it back on.

For Safari’s browser cache, open Settings > Safari > Clear History and Website Data. This wipes browsing history, cookies, and cache together. If you use Chrome on iOS, open Chrome, tap Menu (three dots), go to Settings > Privacy, select Cookies, Site Data, and Cached Images and Files, set the time range to All Time, and tap Clear Browsing Data.

There is no per-app “clear cache” button on iOS. To free up space taken by a specific app’s cache, go to Settings > General > iPhone Storage, tap the app, and choose Offload App. This removes the app but keeps its documents and data. Reinstall the app afterward for a fresh start.

Most people only need to clear browser cache every few weeks. System and app cache are usually fine unless you’re running low on storage or troubleshooting a specific issue. And when in doubt, restarting the device clears the RAM cache without deleting anything important.

Clear Cache Checklist

• Browser cache: Use the Ctrl/Cmd + Shift + Delete shortcut in your browser and set time range to All time.
• App cache (Android): Settings > Apps > Pick app > Storage > Clear cache.
• App cache (iOS): Settings > General > iPhone Storage > Offload app, then reinstall.
• System cache (Windows): Settings > System > Storage > Temporary files > Remove files.
• System cache (Mac): Finder > Go > Go to Folder > ~/Library/Caches — delete contents only.
• RAM cache: Restart the device. Avoid command-line RAM clearing unless you know why you need it.
• Keep cookies: Uncheck Cookies when clearing browser cache if you want to stay logged into your accounts.