Readium: Text to Speech PDF

Import books & PDFs. Listen with natural AI voices and word-by-word highlights that keep you focused and helps read faster.

Turn any book or PDF 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, and documents out loud with beautiful, natural voices - while highlighting each word in real time so your eyes and ears work together. It's the calm, private, affordable way to get through your reading list.

WHY READIUM • Listen + follow along - real-time word highlighting keeps you focused and boosts recall • Import anything - EPUB, PDF • Natural premium voices + built-in device voices that work fully offline • Free during launch - every premium voice unlocked, no subscription right now • A library of classics - thousands of Project Gutenberg books, one tap to add • Beautiful, distraction-free reader - 4 themes (Light, Dark, Slate, Sepia) + reading fonts • Keeps playing in the background with lockscreen + CarPlay-style media controls • Adjustable speed, sentence skip, and a sleep-friendly experience

HOW IT WORKS

1. Import a book or PDF
2. Pick a voice - Cloud AI or offline device voice
3. Press play and follow the highlighted words

GREAT FOR Commuters and multitaskers, students and researchers, and anyone who reads with dyslexia, ADHD, or low vision. If you've wanted a Speechify-style listen-along experience that's beautiful, Readium is for you.

Reading, but faster — and finally enjoyable. Download Readium.