Where to get Chrome extensions and how to add them
Chrome extensions live in the Chrome Web Store, which you reach directly from your browser. Open Chrome, click the three-dot menu in the top right corner, then select "Extensions" and "Manage extensions." At the top left of that page, click "Chrome Web Store." You can also go straight there by typing chrome.google.com/webstore into your address bar.
Once you find an extension you want, click the blue "Add to Chrome" button. A popup will appear asking what permissions the extension needs — for example, whether it can read your tabs, see your browsing history, or access websites you visit. Read this list. Click "Add extension" to confirm. The extension installs when ready and appears as a small icon in your toolbar, usually in the top right corner of your browser window next to your address bar.
That's the entire process. You don't need to restart Chrome or create an account. The extension starts working right away.
Key Takeaways
- The Chrome Web Store is the only official place to find Chrome extensions, and you can reach it from the Extensions menu or by typing the URL directly.
- Installing an extension takes one click on "Add to Chrome" and one confirmation — no restart or account creation required.
- Before you install, Chrome shows you exactly what permissions the extension is asking for, so you can decide whether to trust it.
- Once installed, the extension appears as an icon in your toolbar and you can pin it, hide it, or remove it at any time.
- Extensions sync across all devices where you sign into the same Google account, so you don't have to install them twice.
Understanding what permissions mean
When you click "Add extension," Chrome lists the permissions that extension needs. Common ones include "Read and change all your data on websites you visit," "Read your browsing history," or "Manage your downloads." These aren't warnings — they're descriptions of what the extension actually does. A password manager needs to read what you type. An ad blocker needs to see all the content on a page. A read manager needs access to your downloads folder.
The key is matching the permission to the extension's purpose. If you're installing a tool to take screenshots, it should ask for permission to access the current tab — not your entire browsing history. If an extension's stated purpose doesn't match what it's asking permission to do, don't install it. You can always read reviews in the Web Store first to see what other people say about whether an extension does what it claims.
Finding your installed extensions and managing them
Once you install extensions, they appear as small icons in your toolbar. If you have many, some may be hidden behind a puzzle-piece icon. Click that icon to see all of them. You can drag extensions left or right to reorder them, or click the pin icon next to an extension's name to keep it visible in your main toolbar.
To see all your extensions at once, click the three-dot menu, select "Extensions," then "Manage extensions." This page shows every extension you have installed, whether it's turned on or off, and what permissions it has. You can toggle any extension on or off without uninstalling it — useful if an extension slows down your browser or conflicts with another one. To remove an extension entirely, click "Remove."
If an extension stops working or starts acting strange, try turning it off and back on. If that doesn't help, uninstall it and reinstall it fresh from the Web Store. Sometimes an extension needs an update, which Chrome handles automatically — you don't have to do anything.
Syncing extensions across your devices
If you sign into Chrome with a Google account, your extensions sync automatically to every device where you use that same account. Install an extension on your laptop, and it appears on your phone or tablet the next time you open Chrome there. You don't have to install anything twice.
You can control what syncs by going to Settings, clicking "You and Google" on the left, then "Sync and Google services." Look for "Extensions" in the list and toggle it on or off. If you turn off syncing for extensions, you can still install them on each device individually — they just won't copy from one device to another automatically.
Removing extensions you no longer use
Extensions can slow down your browser if you have too many running at once, especially ones that monitor every website you visit. If you install something and don't use it, remove it. Click the three-dot menu, select "Extensions," then "Manage extensions." Find the extension you want to remove and click the red "Remove" button. It disappears when ready.
Removing an extension doesn't delete your data — if you reinstall it later, it will remember your settings. If you want to clear the extension's data completely, click "Remove" and then check the box that says "Also remove your data" before confirming. This is useful if an extension was storing passwords or preferences you don't want to keep.
What to do if an extension won't install
Sometimes the "Add to Chrome" button doesn't work, or you get an error message. First, make sure you're using the official Chrome browser, not a knockoff or older version. Open Chrome's menu, click "Help," then "About Google Chrome." If an update is available, Chrome will install it automatically and restart.
If the extension still won't install, try these steps in order: clear your browser cache (Settings, Privacy and security, Clear browsing data), restart Chrome completely, or try installing the extension in an Incognito window to see if another extension is blocking it. If none of that works, the extension may not be compatible with your version of Chrome, or the developer may have removed it from the Web Store.
Frequently Asked Questions
Can I use the same extension on Chrome and Firefox?
No. Chrome extensions only work in Chrome. Firefox, Edge, and Safari each have their own extension stores with different versions of popular tools. You'll need to install the Firefox version of an extension in Firefox, even if you already have it in Chrome. Some developers make versions for multiple browsers, but they're separate installations.
Is it safe to install extensions from the Chrome Web Store?
The Chrome Web Store is curated, meaning Google reviews extensions before they appear there. That doesn't mean every extension is safe — some are poorly made or collect more data than they should. Read the reviews and check what permissions an extension is asking for. Avoid extensions with very few reviews or ones asking for permissions that don't match their purpose.
Why is my browser slow after installing extensions?
Extensions run in the background and use memory and processing power. If you have many extensions, especially ones that monitor every website you visit, your browser will slow down. Open Manage extensions, turn off extensions you don't use regularly, or uninstall ones you've forgotten about. You can always turn them back on later.
What happens to my extensions if I uninstall Chrome?
If you uninstall Chrome completely, your extensions are removed too. When you reinstall Chrome and sign back into your Google account, your extensions will sync back automatically. Your settings and data within each extension will also return, because they're stored in your Google account, not just on your computer.
Can I install extensions on Chrome mobile?
Chrome on Android and iPhone has limited extension support compared to the desktop version. Most extensions don't work on mobile. Some browsers like Firefox on Android do support more extensions. If you need a specific tool on mobile, check whether the app or website offers a mobile version instead.