Guides

Copycat and fake browser extensions

Practical, store-by-store advice for developers whose extensions get copied, and for anyone who wants to avoid installing a fake.

For developers

How to report a copycat extension on the Chrome Web Store, Edge and Firefox

Step-by-step: gather evidence, then report a copied or impersonating browser extension to the Chrome Web Store, Microsoft Edge Add-ons and Firefox Add-ons.

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For everyone

How to spot a fake or copycat browser extension before you install it

Seven checks that reveal a fake browser extension: publisher, website, users, reviews, permissions, copied descriptions and lookalike names.

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For developers

Someone copied my browser extension: what to do next

Your extension has been cloned. How to confirm it, collect evidence, get the copy removed, and make your extension harder to copy next time.

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