OpenReaderYour documents, read aloud
Upload EPUB, PDF, TXT, MD, and DOCX files, then listen with your preferred OpenAI-compatible TTS provider. Your reading progress syncs across devices automatically.
Upload documents
Drag and drop EPUB, PDF, TXT, Markdown, or DOCX files directly into the app. Documents process instantly for reading and text-to-speech playback.
Your library
Build a personal library with folders. Documents sync automatically so your collection is always within reach.
Cross-device sync
Reading progress, preferences, and library state sync across devices. Pick up exactly where you left off on any browser.
Text-to-speech that follows along as you read
OpenReader highlights every word as it’s spoken, turning any document into a synchronized read-along experience. Connect any OpenAI-compatible TTS provider — including Kokoro, KittenTTS, Deepinfra, or your own self-hosted endpoint.
Word-level highlighting
Each word lights up in sync with the audio so you never lose your place.
Multiple voices & providers
Choose from dozens of voices across OpenAI, Kokoro, KittenTTS, Deepinfra, or any compatible endpoint.
Speed controls
Independent model speed and playback speed sliders from 0.5x to 3x.
Audiobook export
Convert any document to a downloadable MP3 or M4A audiobook with chapter metadata.
Supported formats