Encyclopaedia Britannica

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Encyclopaedia Britannica is ranked #4 of 31 in online encyclopedias on Freedom251. It runs on Web. There is a free plan.

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Free access Free Limited digital content on Britannica.com corporate.britannica.com · 11 Oct 2026

Encyclopaedia Britannica Premium Unlimited ad-free access; individual membership corporate.britannica.com · 11 Oct 2026

Product: Britannica offers an online encyclopedia and reference service.
Premium access: Premium membership provides unlimited, ad-free access to more than 130,000 fact-checked articles.
Media: Premium membership includes access to more than 60,000 images and videos, plus maps, infographics, and illustrations.
Learning resources: Premium membership includes biographies, quizzes, games, topic roundups, and homework help.
Member content: Members receive exclusive content that includes limited-run newsletters, e-books, and digital access to content from Britannica’s first edition.
Free access: Visitors can read a limited amount of digital content on Britannica.com without a premium membership.
Kids: Britannica Kids content requires a premium membership.
Subscriptions: Britannica says it offers monthly memberships and academic and corporate subscriptions.
Cancellation: Monthly members can cancel at any time.
Support: Customer support is available by phone, Monday through Friday, with listed hours varying by support inquiry.
Founded: 1768
Headquarters: Chicago, Illinois, United States
Price from: Free

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