LexHex – Lector PDF y EPUB

📚 LexHex – Your Personal PDF and EPUB Reader with Artificial Intelligence

LexHex is the reading app you need: powerful, private, and completely free. Read your PDF and EPUB books with a smooth, customizable, and distraction-free experience. No accounts, no ads, no subscriptions. Everything works locally on your device.

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✨ WHAT DOES LEXHEX DO?

📁 Smart Personal Library
Import and organize your PDF and EPUB files directly from your device. Create collections, apply filters, and choose from 4 viewing modes to find your books instantly.

📄 Complete PDF Reader
Enjoy comfortable reading with auto-scroll, precise zoom, and landscape mode. Ideal for technical documents, academic papers, and scanned books.

📖 Advanced EPUB Reader
Activate classic or continuous reading mode according to your preference. Customize the font, text size, and line spacing to read your way.

🤖 Built-in AI for Curious Readers
Select any passage and let AI help you:
• Instantly define difficult words
• Clearly explain complex paragraphs
• Summarize entire chapters
• Answer your questions about the text

Compatible with Claude (Anthropic), OpenAI, and Google Gemini. You use your own API key—no hidden costs or AI subscriptions.

🖊️ Highlighting and Annotations
Highlight with 4 different colors and export your notes in Markdown format to take them anywhere.

📝 Personal Vocabulary
Save words with their definitions and reading context. Practice with the built-in quiz to reinforce what you learn.

📊 Reading Statistics
Review your reading sessions, keep track of your daily streak, visualize your activity on an annual heatmap, and set personal reading goals.

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🔒 YOUR PRIVACY COMES FIRST

LexHex was designed from the ground up with privacy in mind:
• No registration or user accounts
• No collection of personal data
• Your books and notes never leave your device
• API keys are stored encrypted locally
• No ads, no tracking, no surprises