Read beautifully.
Share thoughtfully.

Marginalia is a social reading app for DRM-free EPUBs. Upload your books, highlight passages, write notes, and share your reading life with friends.

Marginalia reader showing a highlighted passage in a book

Built for readers

Beautiful reading

A distraction-free EPUB reader with typography controls, dark mode, and your highlights rendered inline.

Highlights & notes

Select text to highlight in five colors. Add notes to capture your thoughts. Keep them private or share with followers.

Social reading

Follow other readers. See what they're highlighting. Discover books through the people you trust.

DRM-free. Privacy-first. Open formats.

Your books, your highlights, your data. Always.