CastReader: Read Aloud & AI

CastReader

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CastReader turns any text into something you can hear and understand.

READ ALOUD — STAY FOCUSED

Turn photos, web pages, PDFs, EPUBs, and plain text into natural speech. Synchronized highlighting and auto-scroll keep your eyes and ears on the same sentence, whether you are studying, commuting, exercising, or resting your eyes.

AI EXPLAIN — GO BEYOND THE WORDS

CastReader creates and reads a clear explanation while handwritten-style annotations appear on the original: highlights for key points, circles around important terms, and numbered steps. Listen, watch, and understand the structure of difficult material.

BRING YOUR OWN CONTENT

- Camera or photo: recognize text on-device
- Web: open a URL and start listening
- Files: PDF, EPUB, TXT, DOCX, and images
- Paste: turn copied text into speech instantly
- Kindle: connect your Kindle library and continue reading
- Listen to YouTube: share or paste a public video link and hear its public captions with synchronized highlighting

For Listen to YouTube, only public videos with accessible captions are supported. Videos requiring sign-in, age verification, membership, regional access, or private access cannot be read. CastReader does not play, download, or retain YouTube video or audio streams; speech is generated from caption text. CastReader is not affiliated with or endorsed by YouTube.

BUILT FOR

- Readers who want to finish articles, documents, and ebooks by listening
- Language learners who want synchronized visual guidance
- Students and professionals working through dense material
- Anyone who needs eye relief or accessibility support

9 LANGUAGES

The interface and text-to-speech support English, Chinese, Japanese, Spanish, French, German, Brazilian Portuguese, Italian, and Hindi. Voice availability varies by language.

CASTREADER PRO

Use CastReader free every day. Upgrade to Pro for unlimited read-aloud time, unlimited AI explanations, all premium voices, and playback speeds up to 3x.

Dark mode and background playback are supported. Photo text recognition happens on-device and photos are not uploaded. Reading history stays on your device.

নতুন কি আছে

Smoother reading and explanations when switching between standard and cloned voices. Improved playback continuity and word highlighting across readers. More accurate Kindle OCR, explanation marks, and complete footnote skipping. Improved recovery when a reading page fails to load.