AI PDF & EPUB Reader: PageSage

PageSage is an offline AI ebook reader for novels, textbooks, and PDFs. Read EPUB and PDF with on-device AI that explains, summarizes, and quizzes you on any passage. Built for serious readers, students, and language learners.

No account. No subscription. No ads.

ON-DEVICE AI (OFFLINE)

• Tap Explain on any highlighted passage for a 2-4 sentence breakdown in plain English.
• Summarize any page in 2-3 sentences, or extract key points as bullets.
• Generate practice Q&A from any page to test your understanding.
• Ask follow-up questions and keep the conversation on the page.
• Contextual meaning when you tap a word.
• Runs 100% on your phone. No internet after the one-time setup. No subscription.


READING THAT JUST WORKS

• EPUB and PDF in one library. Novels, textbooks, and documents side by side.
• Tap any word for an offline dictionary with definitions, pronunciation, synonyms, and part of speech.
• Reader Mode reformats dense PDFs into a clean, distraction-free reading view.
• Focus Beam dims everything except one reading strip at a time. Ideal for concentration, dyslexia, and eye fatigue.
• Highlight in 4 colors and place bookmarks.
• Four reading themes (Classic, Midnight, Forest, Cream) for any time of day.
• Vertical scroll or traditional page-flip animations.


LISTEN TO ANY BOOK (READ ALOUD)

• Realistic on-device neural voices for any PDF or EPUB. Works fully offline after a one-time download.
• Three voice packs: Supertonic (10 modes: calm, cheerful, authoritative, warm, and more), LJSpeech, and Lessac.
• Or use your device's built-in TTS engine, free.
• Pages auto-advance to keep pace with playback.
• Adjustable speed from 0.5x to 2x.
• Playback continues with a media notification while your screen is off.


VOCABULARY THAT STICKS

• Save unknown words with one tap.
• Review with proven spaced repetition.
• Daily reading goal, streak, and 7-day progress chart.
• Filter and organize vocabulary by document.


SCAN PHYSICAL BOOKS

• Multi-page document scanner with smart edge detection.
• On-device OCR. No cloud, no internet needed.
• 5 free scans per month. Unlimited with Scanner Pack.


WHAT PAGESAGE REFUSES TO DO

• No ads. Not now, not ever.
• No subscriptions. Free to read forever.
• No account or sign-up required. Open the app and start reading.
• No license checks. Works offline forever, even on flights.
• No "All files access" permission. We only see files you choose to import.
• Deleting a book from your PageSage library never deletes the file from your phone.
• Your purchase follows your Google account. Restore on any device, anytime.


ONE-TIME PURCHASES. NO SUBSCRIPTIONS.

PageSage is free forever. Dictionary, vocab, basic scanning, system TTS, and 4 reading themes are included free.

Optional packs, one-time payments only:

• AI Pack: explain, summarize, simplify, Q&A, and contextual word meaning.
• Narrator Pack: realistic offline neural voices and read-aloud with 10+ voice modes.
• Scanner Pack: unlimited scanning and OCR.
• Aesthetic Pack: 11 premium themes, quote cards, custom highlights, and app icons.
• PDF Studio: sign PDFs, fill forms, merge documents, and page tools.
• Founders Bundle: all five packs plus Founders Edition badge. Best value.

Pay once. Keep forever. No subscription traps.


MADE FOR

• Readers who want to understand what they read, with AI that runs privately on their phone.
• Novel and ebook readers who want PDF and EPUB in one app, without switching readers.
• Students reading textbooks, research papers, and study material.
• Language learners building vocabulary from real texts.
• Commuters, walkers, and multitaskers who prefer to listen to their books.
• Readers with dyslexia, ADHD, or tired eyes who benefit from read-aloud and focus tools.


PageSage works as an ebook reader, EPUB reader, PDF reader, textbook reader, novel reader, study book app, and offline book reader with AI. Everything runs on your phone. No cloud required.

Recent changes:
Listen Mode: immersive full-screen TTS with speed presets and the current sentence always visible.
Editorial typography and chapter openers.
Activity center shows OCR, model downloads, and voice packs at a glance.
OCR is now free for every PDF import.
Export highlights as Markdown, JSON, or text.
Manage translation language packs.
Smarter word lookups.
Smoother EPUB page swipes, floating audio player, pull-to-refresh.
Performance and stability fixes.