Lectern: EPUB & PDF Reader

Read. Listen. Follow Along.

Lectern is an offline eBook reader for EPUB, EPUB3, PDF, MOBI, AZW, AZW3, FB2, TXT and comics. Read your books or listen to supported books with natural sounding offline AI voices and synchronized text highlighting.

No account. No subscription. No ads. No unnecessary permissions.

Your books, reading progress and settings stay on your device. Everything works offline unless you choose to connect your own cloud storage or OPDS catalog.

🎧 Read and listen together

Reading and listening should feel like one seamless experience.

Lectern lets you listen to supported books using natural sounding offline voices powered by Piper and Kokoro while every spoken sentence is highlighted in real time. Read with your eyes, your ears, or both at the same time.

Perfect for commuting, bedtime reading, studying, language learning or reducing eye strain.

Features include:

• Natural sounding offline voices powered by Piper and Kokoro
• Synchronized text highlighting
• Adjustable reading speed
• Adjustable voice pitch
• Lock screen controls
• Notification controls
• Bluetooth headset support
• Sleep timer
• Continue exactly where you stopped

📚 Read all your books in one app

Enjoy your entire library in one beautiful reader.

Supported formats:

• EPUB
• EPUB3
• PDF
• MOBI
• AZW
• AZW3
• FB2
• FBZ
• TXT
• CBZ
• CBR

PDF documents can be viewed in their original layout, reflowed for comfortable reading or listened to with text-to-speech when supported.

✍️ Built for comfortable reading

Customize every detail of your reading experience.

Adjust:

• Fonts and custom fonts
• Font weight
• Margins
• Line spacing
• Paragraph spacing
• Hyphenation
• Drop caps

Choose from built-in reading profiles:

• Standard
• Bedtime
• Dyslexia

The Dyslexia profile combines OpenDyslexic fonts, optimized spacing and comfortable colors for easier reading.

Available themes:

• Light
• Dark
• Sepia
• OLED Black

🔖 Highlights, bookmarks and notes

Capture important passages while reading.

• Highlights
• Bookmarks
• Notes
• Markdown export
• JSON export
• Kindle My Clippings import

Organize your library using nested shelves, series, ratings and reading status.

📈 Build a daily reading habit

Stay motivated with detailed reading statistics.

Track:

• Reading streaks
• Daily reading goals
• Reading sessions
• Reading history
• Average session length
• Estimated reading time remaining
• Chapter progress
• Multi-year reading heatmap

📖 Dictionary and vocabulary trainer

Tap any word to view offline dictionary definitions powered by WordNet.

Save new words to your vocabulary trainer and improve retention using the proven SM-2 spaced repetition system.

Perfect for students, language learners and curious readers.

☁️ Sync on your terms

Your books always remain yours.

Use multiple folders as your library through Android's Storage Access Framework without intrusive storage permissions.

Synchronize reading progress, bookmarks, highlights and statistics through shared folders on:

• Google Drive
• Dropbox
• Nextcloud
• OneDrive

Browse OPDS catalogs such as Project Gutenberg or your own Calibre-Web library.

Share books directly to Lectern from any Android app.

🌍 Designed for modern readers

Lectern is available in:

• English
• Dutch
• German
• French
• Italian

The app supports reduced-motion accessibility features and works beautifully on Android e-ink devices, including Boox, Meebook and many others.

Whether you're looking for an EPUB reader, EPUB3 reader, PDF reader, MOBI reader, AZW reader, FB2 reader, comic reader, text-to-speech reader, offline reading app, ebook library or a dyslexia-friendly eBook reader, Lectern brings everything together in one calm, fast and private reading experience.

Read. Listen. Follow Along.