Readium: Text to Speech PDF

Turn any book, PDF, or web article into a natural-sounding audiobook — and follow every word as it's read aloud. Lifelike voices, online or offline. Read faster, remember more. Readium reads your books, PDFs, articles, and documents out loud with beautiful, human-sounding voices — while highlighting each word in real time so your eyes and ears work together. It's the calm, private way to get through your reading list. WHY READIUM • Listen and follow along — real-time word highlighting keeps you focused and boosts recall • Lifelike AI voices plus built-in device voices that work fully offline • Beautiful, distraction-free reader — 4 themes (Light, Dark, Slate, Sepia) and reading fonts • Background playback with lockscreen media controls showing the book title and author • Adjustable speed, sentence skip, and a sleep-friendly experience • Thousands of classic books from Project Gutenberg — one tap to add to your library • Optimized for iPhone and iPad, including split-view multitasking IMPORT ANYTHING • EPUB, PDF, MOBI, AZW3, and FictionBook (FB2) • Plain text, Markdown, and HTML files • Web articles — browse to any page inside Readium and add it with a tap • Share sheet — send a link from Safari or any other app straight to your library • Rename titles and edit authors to keep your library tidy HOW IT WORKS 1. Import a book, PDF, or paste a web link 2. Pick a voice — a lifelike AI voice or a device voice that works offline 3. Press play and follow the highlighted words VOICES IN YOUR LANGUAGE English, Spanish, French, German, Portuguese, and Bangla — with more on the way. Preview any voice before you pick. GREAT FOR Commuters and multitaskers. Students and researchers. Readers with dyslexia, ADHD, or low vision. Anyone who wants a beautiful, listen-along reading experience. Reading, but faster — and finally enjoyable. Download Readium and start listening.