Collaborate with
anyone, anywhere.

Use Hypothesis to annotate anything online with classmates, colleagues, or friends. Create a free personal account, or talk to our sales team about Education solutions.

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Bringing content and conversation together.

Hypothesis adds a collaborative layer over any online content. Through the power of social annotation, we can make online discussions more meaningful, productive, and engaging.

Hypothesis is for

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Keep students engaged and connected with a seamless learning experience.

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Create a new method of peer review and engagement for researchers and publications.

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Share and discuss intriguing content with family, friends, and like-minded groups.

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Comment on and highlight what interests you.

Annotate articles, websites, videos, documents, apps, and more – without clicking away or posting elsewhere. Hypothesis is easy to use and based on open web standards, so it works across the entire internet.

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Turn annotations into conversations.

Classrooms, coworkers, and communities can share ideas, ask questions, and respond to annotations. Set groups to public or private to create your ideal discussion.

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Build durable, shared knowledge.

No more losing valuable knowledge across email, forums, and apps.  Annotations are saved at the source and accessible to everyone, preserving commentary in context.

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Changing online discussions for good.

Hypothesis is a mission-driven organization building universal collaboration into the internet with open-source technology.

Vision and Values

Start the conversation.

Create a free account and install the Hypothesis browser extension to start annotating. For Education solutions, contact our sales team.

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