What clearing cache does and why you might need to

Cache is temporary data Instagram stores on your phone to load the app faster — photos, videos, and information from accounts you've visited. Over time this cache grows and can take up gigabytes of storage space, slow down the app, or cause glitches like feeds that won't refresh or messages that don't send. Clearing cache deletes this temporary data without erasing your account, login information, or saved photos.

You do not lose your posts, followers, or direct messages when you clear cache. Instagram downloads everything fresh the next time you open the app, so it will feel slightly slower for a few minutes. After that, the app runs normally but with freed-up space on your phone.

The steps differ depending on whether you use iPhone or Android, and whether you want to clear cache just for Instagram or for your entire phone. This guide covers both.

Key Takeaways

  • Clearing Instagram cache removes temporary data the app stored but keeps your account, posts, and messages intact.
  • On iPhone, you clear Instagram cache through Settings > General > iPhone Storage, find Instagram, and tap Offload App.
  • On Android, you clear Instagram cache through Settings > Apps > Instagram > Storage > Clear Cache.
  • After clearing cache, Instagram will run slightly slower for a few minutes as it redownloads data, then return to normal speed.
  • If clearing cache does not fix a problem, you can uninstall and reinstall Instagram, which clears everything including login data.

Clearing cache on iPhone

On iPhone, you clear Instagram cache by offloading the app, which removes temporary data but keeps your account information. Open Settings, then tap General. Scroll down and tap iPhone Storage. Scroll through the list until you see Instagram, then tap it. Tap Offload App, then tap Offload App again when the confirmation appears. Wait a few seconds for the process to finish.

After offloading, Instagram will still show on your home screen but with a cloud icon. Tap the app icon to reinstall it. Your login information stays saved, so you will not need to enter your password. The app will take a minute or two to read and set up, then you can use it normally.

If you do not see Instagram in your iPhone Storage list, scroll down further — the list is alphabetical and long. If Instagram still does not appear, the app may already be using very little cache, and clearing it will not free much space.

Clearing cache on Android

On Android, you clear Instagram cache directly through the app settings. Open Settings on your phone, then tap Apps or process Manager (the name varies by phone brand). Scroll down and tap Instagram. Tap Storage or Storage and Cache. Tap Clear Cache. A confirmation message will appear — tap OK or Clear to finish.

The process takes a few seconds. You will see a message saying how much space was freed. After clearing cache, close Settings and open Instagram normally. Your login information is still there, and you will not need to sign in again.

If you cannot find the Storage option in your app settings, your phone may use a different menu layout. Look for Storage, Cache, or App Data — these are the most common names. If you still cannot locate it, search "clear app cache" plus your phone brand in a search engine, as some manufacturers use unique names for these settings.

When to clear cache and how often

Clear Instagram cache if the app is running slowly, if photos or videos are not loading, if messages are not sending, or if you are running out of storage space on your phone. You do not need to clear cache on a schedule — only when you notice a problem or when your phone storage is nearly full.

Most people clear cache once every few months, though heavy Instagram users who post stories daily or watch reels constantly may need to clear it more often. If you clear cache and the problem persists, the issue is likely not cache-related, and you may need to uninstall and reinstall the app instead.

The difference between clearing cache and uninstalling

Clearing cache removes only temporary data and keeps your account login saved. Uninstalling and reinstalling Instagram removes everything — temporary data, cached files, and your saved login information. After reinstalling, you will need to enter your password to sign back in.

Use clearing cache first if you want to fix a small problem quickly and keep your login saved. Use uninstall and reinstall if clearing cache did not work, if you want to completely reset the app, or if you are troubleshooting a serious glitch. Uninstalling takes longer but solves more problems.

Your posts, followers, messages, and saved photos live on Instagram's servers, not on your phone, so they are never affected by either action.

Freeing space beyond just Instagram cache

If you need to free more space than Instagram cache alone provides, you can also clear the app's data, which removes downloaded photos and videos you have saved to your phone. On iPhone, this happens automatically when you offload the app. On Android, go to Settings > Apps > Instagram > Storage, then tap Clear Data or Clear All Data instead of Clear Cache.

Clearing data will sign you out of Instagram, so you will need to enter your password when you open the app again. However, it frees significantly more space than clearing cache alone — sometimes several gigabytes if you have saved many photos or videos.

Another option is to clear your phone's entire cache at once, which affects all apps. On iPhone, this is not a standard feature, but you can free space by going to Settings > General > iPhone Storage and deleting apps you no longer use. On Android, go to Settings > Storage > Cache, then tap Clear Cache. This clears temporary data from every app on your phone at once.

What to do if clearing cache does not fix the problem

If Instagram still runs slowly or glitches after clearing cache, try closing the app completely and reopening it. On iPhone, swipe up from the bottom of the screen (or swipe down from the top right on newer models) and swipe up on Instagram to close it. On Android, open Settings > Apps > Instagram > Force Stop, then open Instagram again.

If that does not work, uninstall and reinstall Instagram. On iPhone, press and hold the Instagram icon on your home screen, tap Remove App, then tap Delete App. On Android, go to Settings > Apps > Instagram, tap Uninstall, then reinstall from the Google Play Store. After reinstalling, sign back in with your password. This solves most app problems that clearing cache alone cannot fix.

If Instagram still has problems after reinstalling, the issue may be with your internet connection, your phone's storage being nearly full, or a bug in the current version of Instagram. Try restarting your phone, checking that you have at least 500 MB of free storage, and making sure you are using the latest version of Instagram from the app store.

Frequently Asked Questions

Will clearing cache delete my photos or messages?

No. Clearing cache removes only temporary data Instagram stored on your phone. Your posts, direct messages, saved photos, and followers all stay on Instagram's servers and will be there when you open the app again. Your account login information also stays saved unless you uninstall the app entirely.

How much space does clearing Instagram cache usually free?

It varies widely depending on how long you have used the app and how much you use it. Clearing cache typically frees between 100 MB and 2 GB. If you have used Instagram for years and watch reels daily, you may free several gigabytes. If you use Instagram lightly, you may free only a few hundred megabytes.

Do I need to sign in again after clearing cache?

No, not if you only clear cache. Your login information stays saved on your phone. If you clear data or uninstall the app, you will need to sign in again with your password.

Can I clear cache for just one account if I have multiple Instagram accounts on my phone?

No. When you clear Instagram cache, it clears for all accounts logged into the app on that phone. If you need to clear cache for only one account, you would need to uninstall Instagram, reinstall it, and log in with only that account, then clear cache.

What if Instagram keeps asking me to clear cache?

Instagram does not usually send notifications asking you to clear cache. If you are seeing a message about storage, it is likely from your phone's operating system, not from Instagram. Clear cache using the steps above, and if the message persists, check that your phone has at least 500 MB of free storage by going to Settings > Storage or Settings > General > iPhone Storage.