Extensions for publicsuffix.org
5 browser extensions built for publicsuffix.org. Compare features, permissions, and safety across Chrome, Firefox, and Edge.
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Chrome Web StoreDomain Age Checker | Site Age Checker
Free WHOIS extension to instantly check domain age and details—perfect for digital marketers, SEO specialists, and web analysts.
5.0(1)
1
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Productivity
Chrome Web StoreEntropass
Open-source decentralized maximum-security password manager
No reviews
1
Make Chrome Yours
Chrome Web StoreWhoisAge - Domain Age Checker & WHOIS Lookup, SERP Domain Ages
Check domain age, registration date, expiry and registrar, even in Google search results. Fast WHOIS lookup for SEO.
No reviews
5
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Developer
Firefox Add-onsClose Duplicate Sites
Closes duplicate tabs for the same site (eTLD+1), keeping the active tab. Works via toolbar button and tab context menu.
No reviews
1 wk
1
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Tabs
Firefox Add-onsPasswordGen
Password generator - allows use the same password for every domain but generated password will be for every domain unique and different.
No reviews
1
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Privacy & Security