E-books between formats including MOBI, EPUB, PDF, AZW3, DOCX, TXT, TCR, PDB, LRF, FB2, and LIT. Support large files and unlimited conversions. No ads. Subscriptions auto-renew unless canceled at least 24 hours before expiration.
Convert to audio using neural synthesis. Select from clipboard or type directly. Choose from multiple languages and voices. Play, pause, and adjust playback speed. Save or share generated audio files.
Generate quizzes on any topic using AI. Input text to create multiple-choice questions. Export quizzes in various formats. Store data locally to conserve bandwidth and maintain privacy. Set up custom quiz parameters like difficulty and question type.
Convert to natural-sounding in 90+ languages. Listen to books, PDFs, emails, and websites. Adjust playback speed from slow to 4.5x. Use for studying, accessibility, or content consumption.
Create maps for organizing ideas and projects. Collaborate in real-time with teams. Share and learn knowledge through structured diagrams. Sync data across devices. Edit and manage maps anytime, anywhere.