Fix Unsupported Chrome Extensions
Find safe MV3 alternatives for Chrome extensions that are disabled, unsupported, removed, or no longer maintained.
Last updated: May 2026
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Extension Fixes pages are structured with quick answers, comparison tables, safety notes, and source links so users and AI browsing tools can understand extension issues faster.
Popular Extension Alternatives
Find MV3-compatible replacements for commonly affected Chrome extensions.
Proxy SwitchyOmega
Proxy Manager
Proxy SwitchyOmega stopped working in Chrome because Chrome 138 fully disabled Manifest V2 extensions. The closest migration path is ZeroOmega, a community fork designed for Manifest V3. FoxyProxy is another established option with advanced proxy management features. Both are available on the Chrome Web Store.
uBlock Origin
Content Blocker
Classic uBlock Origin stopped working in Chrome 138 because Chrome disabled Manifest V2 extensions. The MV3-compatible version by the same author is uBlock Origin Lite. For full feature parity, Firefox with classic uBlock Origin remains an option. Other MV3-compatible ad blockers like AdGuard and Adblock Plus are also available.
Great Suspender
Tab Management
The original Great Suspender was removed from the Chrome Web Store and disabled by Google in 2021 due to malware-related concerns. Do not install CRX copies of this extension from unofficial sources. Use Chrome built-in Memory Saver or alternatives like Auto Tab Discard for tab suspension needs.
ModHeader
Developer Tool
ModHeader continues to work as an MV3-compatible extension for Chrome. It allows developers to modify HTTP request and response headers for testing and development. Alternatives like Requestly offer additional API testing features, while Header Editor provides similar header modification capabilities.
DownThemAll!
Download Manager
DownThemAll remains available and actively maintained for Chrome as an MV3-compatible extension. It provides batch downloading and download management features. For simpler needs, Chrome native downloads or alternatives like Chrono Download Manager offer different workflows.
Start with the Chrome message you see
Select the error message or warning you received to find solutions.
"This extension is no longer supported"
What to do when Chrome shows your extension is no longer supported.
Read guide"This extension may soon no longer be supported"
Prepare for upcoming changes and find alternatives before they stop working.
Read guide"Manifest V2 disabled"
Understand why Chrome disabled older extension formats and what it means for you.
Read guideWhy Chrome Disabled Old Extensions
Many older Chrome extensions were built for Manifest V2. Current Chrome versions now rely on Manifest V3 for supported extension workflows, so some older extensions may stop working unless the developer ships a compatible version.
Better Security
MV3 limits extension capabilities to reduce attack surfaces and prevent misuse.
Improved Privacy
Users have more control over permissions and what data extensions can access.
Better Performance
MV3 extensions use fewer system resources and have less impact on browser speed.
Learn more: Manifest V2 Disabled in Chrome: What You Can Do
How Extension Fixes Works
Search the extension or error message
Enter the extension name, error message, or Chrome Web Store URL in the search box.
Read what changed and what to avoid
Learn why the extension stopped working and what safe steps you can take next.
Choose a maintained replacement or migration path
Select from verified alternatives and follow migration guides to continue your workflow.
Common Fix Guides
Understand and resolve common Chrome extension issues.
Fix "This Extension Is No Longer Supported"
What to do when Chrome shows your extension is no longer supported.
Manifest V2 Disabled
Understand Chrome MV2 deprecation and what it means for your extensions.
Chrome Disabled My Extension
Common reasons Chrome disables extensions and safe ways to resolve issues.
Frequently Asked Questions
Last updated: May 2026