Listen to PDFs & Text with Synchronized Highlighting
Turn PDFs and pasted text into speech. Follow along with synchronized sentence highlighting, jump to any sentence, and adjust the voice and playback speed.
Choose How You Want to Read
Upload a PDF or paste text to start listening.
Upload PDF
Research papers, books, essays, and reportsDrag and drop a PDF here, or choose a file from your device. The document is processed for reading and synchronized sentence playback.
Paste or Type Text
Articles, notes, speeches, and study materialStart Listening in 3 Steps
No account required. Your document is processed directly in the browser.
Upload or Paste
Upload a PDF or paste your text into the reader.
Choose Voice & Speed
Choose from neural or system voices and adjust the playback speed from 0.75× to 2×.
Listen & Follow Along
Listen while each sentence is highlighted. Select any sentence to jump to that point, or enable auto-scroll to follow along automatically.
Built for Comfortable Reading and Listening
Useful reading tools for papers, books, notes, and other long-form text.
Local PDF Processing
PDFs and pasted text are processed in your browser. Local Kokoro voices also run directly on your device.
Synchronized Sentence Highlighting
The current sentence is highlighted as you listen. Select any sentence to start playback from that point, and enable auto-scroll to follow the document automatically.
Neural & System Voices
Choose from 50+ Kokoro neural voices or voices provided by your browser and operating system. Adjust playback speed from 0.75× to 2×.
Mobile-Friendly Reader
Read and listen comfortably on phones and tablets with touch-friendly controls, auto-fit PDF pages, and a bottom playback bar.
Frequently Asked Questions
Everything you need to know about using PDF Text to Speech Reader.