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<a href="https://shouldiuse.io/vs/addons/chromewebstore">Add-ons for Firefox (en-US) vs Chrome Web Store on Should I Use It</a>

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Add-ons for Firefox (en-US) versus Chrome Web Store
Compare	Add-ons for Firefox (en-US)	Chrome Web Store
Verdict	Worth it	Depends
Best for	Firefox users wanting ad blocking	Chrome users wanting extensions
Who it's not for	Chrome, Edge, or Safari users . add-ons require Firefox	Firefox or Safari users . wrong ecosystem entirely
Privacy	No known public vulnerabilities found in the sources reviewed.^²	Chronic malicious-extension problem: Google's review process exists, but researchers and journalists document repeated large-scale failures.¹⁴
Support quality	Per-developer; broken add-ons persist per reviews	Slow opaque reviews; user reviews vanish with no recourse
Public sentiment	Users love free, lightweight blockers like uBlock Origin but regularly hit extensions that break, conflict with sites, or stop being maintained.^⁴	Users value the selection, but developers consistently complain about slow reviews, weak discoverability, and poor curation.
Biggest gotcha	Lock-in: extensions only work in Firefox; switching browsers means rebuilding your setup^¹	Store payments were shut down; you must build billing through third parties like ExtensionPay¹¹

Pick Add-ons for Firefox (en-US) when

Firefox users wanting ad blocking
Privacy-conscious browsers
Password manager and tracker-blocking needs
People who like customizing browser appearance

When Add-ons for Firefox (en-US) is not a fit

Chrome, Edge, or Safari users . add-ons require Firefox
Anyone expecting curated, enterprise-vetted software
Teams needing central licensing or procurement controls
Users unwilling to vet individual extensions themselves

Pick Chrome Web Store when

Chrome users wanting extensions
Developers reaching Chrome's user base
Enterprises managing extension fleets
Light browsing personalization

When Chrome Web Store is not a fit

Firefox or Safari users . wrong ecosystem entirely
Teams wanting vetted, audited software
Developers wanting built-in payments and billing
Anyone expecting strict quality curation

Sources

Add-ons for Firefox homepageaddons.mozilla.org
official
About Firefox Add-onsaddons.mozilla.org
official
Extensions directoryaddons.mozilla.org
official
uBlock Origin reviewsaddons.mozilla.org
review
Block Site reviewsaddons.mozilla.org
review
AdBlock for Firefox reviewsaddons.mozilla.org
review
Add-on (Mozilla) - Wikipediaen.wikipedia.org
news
Chrome Web Store review processdeveloper.chrome.com
official
Register your developer accountdeveloper.chrome.com
official
Chrome Web Store Developer Registration Fee 2026extensionradar.com
review
ExtensionPay is the Chrome Web Store Payments Replacementextensionpay.com
official
Avoiding lengthy review times for Chrome webstore submissionsgetsnapfont.com
review
Chrome Web Store is a messpalant.info
security
Security researcher finds 287 Chrome extensions leaking datatheregister.com
security
Over 100 Chrome Web Store extensions steal user accounts, datableepingcomputer.com
security
Malicious Chrome extensions with 1.7M installs found on Web Storebleepingcomputer.com
security