Read 6,000,000+ Internet Archive books in a modern reader with fast page streaming, saved progress, shelves, and mobile apps.
Short answer
It turns Archive.org books into a cleaner reading experience with mobile-friendly page streaming, progress sync, notes, shelves, and audiobook links when available.
Many classic and rare books only exist as scanned PDFs. We've built a dedicated reader that makes them a joy to read—not a chore.
Pages load progressively as you read—no waiting for huge PDF downloads.
Pinch to zoom, swipe to turn pages. Works beautifully on phones, tablets, and desktop.
Pick up exactly where you left off, on any device.
Trending Scans
Public domain books from the Internet Archive
What Lex offers
Powered by the Internet Archive. Enhanced for you.
The Collection
The Internet Archive hosts one of the world's largest collections of digitized books—from rare manuscripts to 20th century classics.
Internet Archive reader
All versionsUnique
We group all versions of a book together—EPUBs, scanned PDFs, audiobooks—so you can find the best format for you.
Discovery
Discovering books on Archive.org can be overwhelming. We've organized everything into browsable shelves and smart recommendations.
Community
Everywhere
Start on your laptop, continue on your phone, finish on your tablet. Your progress and annotations sync everywhere.
What's included
Perfect for
"Lex is built by book lovers, for book lovers. We believe reading should be accessible to anyone, anywhere. And we are just getting started."
— David Mainayar, Founder @ LexFAQ
Yes. Lex indexes millions of Internet Archive books and opens readable public-domain scans in a modern reader.
Lex focuses on reading: cleaner pages, faster navigation, saved progress, notes, shelves, and matching audiobook editions when available.
Yes. Lex has a dedicated scanned-book reader for books that only exist as page images or PDFs.
6,000,000+ books, scanned pages, EPUBs, and audiobooks in one modern reader.
Get started free✓ 6M+ scanned books ✓ 75K+ EPUBs ✓ 30K+ audiobooks ✓ No ads