6,000,000+ books from the Internet Archive

The Internet Archive,
in a modern reader

Read 6,000,000+ scanned books from the world's largest digital library with a modern reader built for discovery.

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6,000,000+

Scanned Books

100+

Years of History

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✨ Built for Scanned Books

A Beautiful Scanned Book Reader

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.

Instant page streaming

Pages load progressively as you read—no waiting for huge PDF downloads.

Smart zoom & navigation

Pinch to zoom, swipe to turn pages. Works beautifully on phones, tablets, and desktop.

Save your progress

Pick up exactly where you left off, on any device.

The Wealth of Nations — Adam Smith (1776)

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What Lex offers

Built for modern reading

✓Modern scanned book reader

✓Reading progress sync

✓Notes & bookmarks

✓Edition grouping

✓Mobile & desktop apps

✓Social features & community

✓Smart discovery & shelves

✓Speed reading (Blitz mode)

The Collection

What's in the library?

The Internet Archive hosts one of the world's largest collections of digitized books—from rare manuscripts to 20th century classics.

✓First editions and rare printings

✓Out-of-print classics unavailable elsewhere

✓Historical documents and manuscripts

✓Academic and scholarly works

✓Vintage children's books with original illustrations

✓Foreign language and translated works

All versionsUnique

Every edition, one place

We group all versions of a book together—EPUBs, scanned PDFs, audiobooks—so you can find the best format for you.

✓Compare different scans and editions

✓Switch between EPUB and scanned PDF

✓Find audiobook versions when available

✓See publication dates and sources

Discovery

Find your next read

Discovering books on Archive.org can be overwhelming. We've organized everything into browsable shelves and smart recommendations.

✓Browse 334 curated bookshelves

✓Filter by genre, era, and language

✓Personalized recommendations

✓See what other readers are enjoying

Community

Read together

✓Follow readers with similar taste

✓Share highlights and notes publicly

✓Create and share reading lists

✓See what friends are reading

Everywhere

Read on any device

Start on your laptop, continue on your phone, finish on your tablet. Your progress and annotations sync everywhere.

✓Web app (works in any browser)

✓iOS & Android apps

✓Windows & Mac desktop apps

✓Offline reading support

What's included

Everything you need, for free

✓6,000,000+ scanned books

✓6,000,000+ books across all sources

✓30,000+ free LibriVox audiobooks

✓Modern scanned book reader

✓Notes, highlights & bookmarks

✓Cross-device sync

✓Create & share bookshelves

✓Lex AI — personal reading companion (Premium)

✓Automatic translations into 21 languages (Premium)

✓PDF to EPUB conversion (Premium)

✓Blitz mode — speed reading up to 750 WPM (Premium)

Perfect for

Made for curious readers

HistoriansResearchersStudentsRare book collectorsVintage enthusiastsGenealogistsLiterature lovers

"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 @ Lex

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