听 Kindle Cloud Reader 或 Kindle for Mac 的书
唯一能朗读 Kindle 的 TTS 扩展 —— 免费，不需要 Audible
适用于浏览器中的 Kindle Cloud Reader（read.amazon.com）
你用的是哪种 Kindle？
按你的阅读方式对号入座 —— CastReader 直接支持其中 2 种
Kindle Cloud Reader
浏览器里打开 read.amazon.com
✓ 安装 Chrome / Edge 扩展
Kindle for Mac
macOS 上的 Kindle 桌面应用
✓ 下载 CastReader for Mac
Kindle iOS / Android App
手机 / 平板上的 Kindle App
用 Amazon 自带的 Assistive Reader（Aa → More）
Kindle Paperwhite / Oasis / 基础版
墨水屏电子书阅读器
设备本身没有 TTS —— 在电脑上用 Cloud Reader 打开这本书
Also Available: CastReader for Mac
Read directly from the Kindle for Mac desktop app. Word-level highlighting overlaid on the native app.
Download for Mac- ✓Native Kindle for Mac support
- ✓Word-level highlight overlay
- ✓Floating player with speed control
- ✓Also works with Apple Books, Notes, Pages, and more
Start Listening in 30 Seconds
Install CastReader
One click from Chrome Web Store. Free, no signup.
Open Your Kindle Book
Go to read.amazon.com, sign in, open any book.
Press Play
Click the CastReader icon. Your book reads aloud with paragraph highlighting.
我家的后面有一个很大的园，相传叫作百草园。现在是早已并屋子一起卖给朱文公的子孙了。
不必说碧绿的菜畦，光滑的石井栏，高大的皂荚树，紫红的桑椹；也不必说鸣蝉在树叶里长吟，肥胖的黄蜂伏在菜花上。
单是周围的短短的泥墙根一带，就有无限趣味。油蛉在这里低唱，蟋蟀们在这里弹琴。
CastReaderOCR 提取 Kindle 书页文字 — 逐词高亮跟随朗读
Why No Other TTS Works on Kindle
Amazon encrypts book text with custom fonts. What looks normal on screen is scrambled code underneath.
✗ What other extensions read
∆♦⊗ ∑≈∂∫ √µ∂ ∆ ß®î©˙† ço¬∂ ∂∆¥ î˜ ∆π®î¬
✓ What CastReader reads
It was a bright cold day in April, and the clocks were striking thirteen.
CastReader reads the rendered page — the same text your eyes see. Works on every book, every language, no publisher restrictions.
Why CastReader is the Only TTS That Works on Kindle
Why Other Extensions Fail
Kindle Cloud Reader uses custom font subsets where characters are scrambled. The letter 'A' might be stored as '∆' in the DOM. Every TTS extension reads gibberish — except CastReader.
OCR 直读你看到的文字
CastReader 用 tesseract-wasm OCR 直接读取渲染后的页面图像——你眼睛看到什么，它就读什么。不需要字体解码。精确到词级定位，用于高亮同步。全部在浏览器本地运行。
Paragraph Highlighting
Each paragraph is highlighted as it's read aloud. Click any paragraph to jump there. Auto-scrolls through the book as you listen.
在手机上听——不需要 Audible
点手机按钮，音频就发到你的 Telegram。Kindle 的书会自动翻页并持续推送——整个书库变成免费有声书。不用下载 App。
无限制，无需注册
完全免费。无需注册、无需订阅。唯一能在 Kindle Cloud Reader 上工作的 TTS 扩展——而且不花一分钱。不需要 Audible 订阅。
★★★★★
4.7 on Chrome Web Store
The only Kindle TTS extension that actually works
Frequently Asked Questions
Why don't other TTS extensions work on Kindle Cloud Reader?
Amazon uses custom font subsets as a DRM measure. The characters in the DOM are scrambled — they look correct when rendered with Amazon's font, but the underlying text is gibberish. Standard TTS extensions read this gibberish.
CastReader 怎么解决的？
CastReader 用 tesseract-wasm OCR 直接读取渲染后的页面图像——你眼睛看到什么，它就读什么。完全绕过加密字体，直接从视觉输出提取文本。OCR 在浏览器本地运行，零云端费用。
Does this bypass Kindle's DRM?
No. CastReader reads the visually rendered text on your screen — the same content you can see. It doesn't download book files or circumvent any protection. It's functionally like a screen reader with better voices.
Which Kindle books does it work with?
Any book you can open on Kindle Cloud Reader (read.amazon.com). It works best with text-heavy books. Image-heavy pages (like illustrated books) may have occasional extraction hiccups.
Is it free?
Completely free with no limits. No account needed.
Does it work on Edge?
Yes. CastReader is available on both Chrome and Edge.
How do I use it?
Install CastReader, go to read.amazon.com, open a book, and click the CastReader icon. It starts reading aloud with paragraph highlighting.
What about the Kindle desktop app?
CastReader works with Kindle Cloud Reader in the browser (read.amazon.com), not the desktop Kindle app.
What languages does it support?
40+ languages with natural AI voices. Works with Kindle books in any language.
可以在手机上听 Kindle 的书吗？
可以。开始朗读后点发送到手机按钮，CastReader 通过 Telegram 把音频发到你手机。Kindle 的书会创建实时会话，自动翻页并持续推送。不需要下载 App——打开链接就能听。
需要 Audible 才能听 Kindle 的书吗？
不需要。CastReader 用 OCR 免费朗读你的 Kindle 书。不需要重新购买 Audible 版本。你书库里的每一本书都能免费收听。
我的阅读数据安全吗？
CastReader 通过 OCR 在浏览器本地处理文本。只有提取的文字会发送到语音 API 生成音频。我们不会追踪你读了什么书。
Also Works On
CastReader supports all major reading platforms
Kindle Text to Speech in 2026: What Works and What Doesn't
Amazon has a complicated relationship with text to speech. The old Kindle Keyboard and Kindle Touch had built-in TTS — you could plug in headphones and listen to any book. Publishers hated it. They argued it competed with audiobooks. Amazon caved, and every Kindle since 2014 either removed TTS entirely or let publishers disable it per title. The Kindle Paperwhite, Oasis, and basic Kindle do not have text to speech. If you bought a Kindle hoping to listen to books, you're out of luck with the device itself.
The Kindle mobile app got a small reprieve in late 2024 when Amazon added Assistive Reader — a built-in TTS feature hidden in the Aa menu under 'More.' It uses your phone's default voice engine, so quality depends on your device. Samsung phones with Samsung TTS sound decent; older Android phones with the default Google TTS sound robotic. On iPhone, Siri's neural voices make Assistive Reader genuinely pleasant. The catch: not all books support it. Publishers can disable Assistive Reader just like they disabled TTS on the old Kindles. If you open the Aa menu and don't see the toggle, the publisher blocked it.
Then there's Kindle Cloud Reader — Amazon's browser-based ebook reader at read.amazon.com. It has no text to speech at all. Zero. Amazon never built it. And here's where it gets interesting: you can't just install any TTS Chrome extension and expect it to work. Amazon renders text using custom encrypted font files. The characters in the page source are scrambled — the word 'chapter' might appear as '∆♦⊗∑≈∂' in the HTML. Your browser decodes these symbols using Amazon's proprietary font, so you see normal text on screen. But every TTS extension reads the DOM text, which is gibberish.
CastReader is the only Chrome extension that solves this problem. Instead of reading the DOM text, it uses tesseract-wasm OCR to read the rendered page image — the same text your eyes see. The OCR runs entirely in your browser (no data sent to external servers for processing) and produces accurate text with word-level bounding boxes for highlight synchronization. It works on every Kindle book regardless of publisher restrictions, because it reads the visual output, not the underlying data.
The practical workflow: open read.amazon.com in Chrome or Edge, sign in with your Amazon account, open any book, and click the CastReader extension icon. It starts reading aloud immediately with paragraph highlighting that follows along on the page. If you want to listen on your phone instead, tap the Send to Phone button — CastReader streams audio to your phone via Telegram and auto-turns pages so you get continuous listening across your entire library. No Audible subscription. No separate audiobook purchase. Every book you own on Kindle becomes listenable for free.
For the complete step-by-step guide covering every Kindle device, the mobile app's Assistive Reader, and Kindle Cloud Reader with CastReader, see our full Kindle text to speech tutorial.