Why was my extension turned off by Chrome?

Chrome may turn off extensions for several reasons. The most common in recent years is Manifest V2 deprecation, where Chrome 138 disabled all MV2 extensions. Other reasons include removal from the Chrome Web Store for policy violations or developer request, and security concerns where Google proactively disables potentially risky extensions.

Can I re-enable the extension that was turned off?

Generally no. If the extension was disabled due to MV2 deprecation, Chrome 138 and later do not support re-enabling MV2 extensions. If it was removed from the Chrome Web Store, you should not attempt to install unofficial copies. Your best path is to find an MV3-compatible alternative.

Is it safe to download the extension as a CRX file from the internet?

No. Downloading extensions from unofficial sources is risky. These files may contain malware, outdated security patches, or modified functionality. Only install extensions from the official Chrome Web Store or verified developer sources.

How do I find a replacement for a turned-off extension?

Check the Chrome Web Store for updated MV3 versions from the same developer. Search Extension Fixes for your extension name. Verify alternative developers, permissions, and reviews before installing any new extension.

What if there is no MV3 alternative for my extension?

If no MV3 alternative exists, you may need to use browser-native features, consider alternative browsers that still support MV2 (like Firefox), or adjust your workflow. Some extensions may have community-maintained forks worth checking.

Will my extension settings be lost?

If the extension still opens partially, export your settings first. Many extensions allow you to export profiles or configuration files. After finding a replacement, check if the new extension supports importing your exported settings.

Extension Fixes

Fix "This Extension Was Turned Off Because It Is No Longer Supported"

Quick Answer

Chrome shows this message when an extension has been turned off because it is no longer supported. This typically happens when the extension uses deprecated APIs or has been removed from the Chrome Web Store. You cannot re-enable the disabled extension, but you can check for MV3 updates, export your settings if possible, and find maintained alternatives from the Chrome Web Store.

Search Extension Alternatives View All Guides

What This Chrome Message Means

The message "This extension was turned off because it is no longer supported" appears when Chrome has automatically disabled an extension. This can happen for several reasons: the extension was removed from the Chrome Web Store, the extension uses deprecated Manifest V2 APIs, or Chrome has detected security concerns with the extension.

Why Chrome Turned Off the Extension

Chrome may turn off extensions for different reasons. Understanding why helps you decide on next steps. Common causes include Manifest V2 deprecation (where Chrome 138+ disables all MV2 extensions), removal from the Chrome Web Store (due to policy violations or developer request), and security concerns (where Google proactively disables extensions that may pose risks).

Can You Turn It Back On?

Generally, no. When Chrome turns off an extension due to deprecation or removal, you cannot re-enable it through Chrome settings. Enterprise administrators on managed devices may have policies to extend support, but this is not available to individual users.

What to Do First

Check the Chrome Web Store to see if there is an updated MV3 version of the extension
Export your extension settings if the option is still available before removing it
Search Extension Fixes for your extension name to find verified alternatives
Note what the extension did so you can verify alternatives meet your needs
Review the extension permissions to understand what data it had access to

Proxy Extensions

SwitchyOmega users: ZeroOmega is a community-maintained MV3 fork with direct profile import support
Other proxy extensions: Check the Chrome Web Store for MV3-compatible alternatives

Ad Blockers

uBlock Origin users: uBlock Origin Lite is the MV3 version by the same developer
Other ad blockers: AdGuard and AdBlock have MV3 versions available

What Not to Do

Do not install random CRX files from unknown download sites.
Do not assume a similar name means it is official.
Do not grant broad permissions without checking the developer.
Export settings before removing old extensions if you still need the configuration.

Best Options at a Glance

Check first:Chrome Web Store for MV3 updates

Search:Extension Fixes for your extension

Export:Settings before removing the extension

Frequently Asked Questions

Sources

Chrome Manifest V2 Deprecation Timeline
Google Chrome Developers
Chrome Web Store Developer Policies
Google Chrome Developers
Extension Fixes Search Tool
Extension Fixes

Extension No Longer Supported Manifest V2 Disabled Guide Extension May Soon Be Unsupported Extension Search

Last updated: May 17, 2026