eBook Reader — Free Online Tool
A distraction-free in-browser eBook reader for EPUB, MOBI, AZW3, and FB2 formats. Includes dark, sepia, and OLED black modes, font size scaling, chapter navigation, and reading progress tracking.
Interactive Tool Workspace Ready
Upload your file to begin processing locally on your device with WebAssembly security.
How to Use eBook Reader Online
- Step 1: Open Any eBook — Upload .epub, .mobi, .azw3, or .fb2 file.
- Step 2: Customize Reading View — Toggle sepia/dark themes, change font scale, and jump across chapters.
- Step 3: Read Distraction-Free — Enjoy reading directly in your browser with zero install.
Why Use PDFly XO for eBook Reader?
- 100% Client-Side Privacy: All file processing is performed locally in your web browser. Your private documents are never uploaded to any remote server.
- Zero Wait Time: Local WebAssembly execution ensures near-instant document processing without file size upload latency.
- Free & Unlimited: Complete access with no subscriptions, watermarks, or hidden paywalls.
Frequently Asked Questions
- Does this reader store my books online?
- No. All book files are parsed directly inside your browser memory (RAM) and never leave your computer.
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