Read text, documents and books aloud

Start with free device reading, no account needed. Sign in for 20 free AI reading minutes and 3 AI explanations a day. Pro unlocks Pro voices and lets you read with your own cloned voices.

Free text to speech

Paste text and listen free with a device voice. Sign in to use CastReader AI voices.

Open tool →

PDF reader

Open PDF pages in your browser and follow the highlighted text as it is read. The file needs readable text.

Open tool →Also works with pasted text

EPUB reader

Open DRM-free EPUB books in your browser and listen to the text.

Open tool →Also works with pasted text

Word and document reader

Open DOCX, TXT, Markdown or HTML files in your browser and listen to the text.

Open tool →Also works with pasted text

AI explanations

Open tool →Also works with pasted text

Voice library

Find voices in your language and try their samples. Pro voices require an active Pro plan.

Open tool →Also works with pasted text

Your own voices

Sign in to create your own voices and try free fixed previews. With Pro, use them for reading and explanations, sharing 120 minutes per membership month.

Open tool →See voice-cloning use cases Also works with pasted text

Webpage reader

Install the browser extension to listen to Kindle books, articles, email and AI chats.

Open tool →Also works with pasted text

Read a local file aloud

Drop a file here for free, no-account on-device reading. Sign in only if you choose CastReader AI; Pro unlocks Pro and cloned voices.

Choose a file

PDF · EPUB · DOCX · TXT · Markdown · HTML

The original file never leaves this device

The file is parsed and displayed in your browser; the original file is not uploaded. Device reading sends no document text to CastReader and does not include AI Explain. AI reading sends the text needed for playback, including passages buffered ahead. Explain sends the selected paragraph, or the current paragraph if none is selected.