私有电子书阅读器
拖拽 EPUB、TXT 或 Markdown 文件到此处，或点击选择
EPUB 电子书
TXT 纯文本 (智能编码检测)
Markdown (.md)
数据完全在本地浏览器离线解析，零网络上传，绝对保护隐私
本地书架与最近阅读
0 本阅读排版设置
字号大小
17px
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A+
行间距
1.8
字体风格
护眼背景
版心宽度
书籍详情
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书籍标题
作者
未知作者
出版社
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标识 / ISBN
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语言
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章节目录
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🔒 100% Client-Side WebAssembly · Zero Server Upload
Free Private EPUB & eBook Reader Online
Most online eBook readers quietly upload your personal books, study notes, and private files to remote cloud servers. BoxyKit Libris completely redefines digital reading: powered by client-side WebAssembly, your EPUB, TXT, and Markdown files are parsed and rendered directly inside your device's browser memory. No uploads, no telemetry, no account creation, and zero latency. Enjoy an instant, distraction-free reading experience where your books stay strictly confidential.
Key Benefits of Pure Local Reading
100% Zero-Upload Privacy
Your eBooks and reading history never leave your computer. Everything runs strictly in your local browser sandbox.
Instant WebAssembly Speed
Sub-second chapter rendering and smooth scrolling powered by high-performance client-side WebAssembly.
Disconnected Offline Reading
Continue reading your cached library on flights, trains, or offline environments with zero internet connection.
Distraction-Free Typography
Tailor font families, font sizes, line heights, and eye-care backgrounds (Sepia, Dark, Clean Day) for comfort.
How to Read eBooks with BoxyKit
1
Open Your eBook
Click "Open Book" or drag & drop any .epub, .txt, or .md file directly into the reading panel.
2
Personalize Typography
Adjust font style, font size, line spacing, and eye-protection themes to suit your reading habits.
3
Navigate Chapters
Use the interactive table of contents or arrow keys. Your reading position saves automatically in local IndexedDB.
Why Client-Side WebAssembly Matters
Traditional online converters and readers upload files to cloud servers, introducing latency and severe security risks for personal or proprietary literature. BoxyKit runs a dedicated client-side WebAssembly engine directly on your device, delivering near-instant chapter parsing while guaranteeing total document privacy.
Frequently Asked Questions (FAQ)
Does BoxyKit upload my eBooks to any server?
No, never. BoxyKit Libris operates 100% on the client side using WebAssembly and HTML5 File APIs. Your documents remain entirely within your browser memory and are never transmitted across the network.
What eBook formats are supported?
Libris supports standard EPUB (.epub), plain text (.txt with automatic UTF-8/GBK encoding repair), and Markdown (.md) documents with syntax formatting.
Can I read offline without an internet connection?
Yes. The WebAssembly reader engine and your imported books are cached in browser storage. You can freely open and read your books in airplane mode or during network outages.
Is there a file size limit or daily reading quota?
There are no arbitrary file size limits, paywalls, or reading quotas. Performance depends entirely on your device memory and processing power.
Will my reading progress and bookmarks be preserved?
Yes. Your reading progress, typography preferences, and book metadata are saved securely in your browser's IndexedDB and LocalStorage until you clear your browser cache.
How is BoxyKit different from other online eBook readers?
Traditional web readers require server uploads, user sign-ups, and cloud accounts. BoxyKit executes the full rendering pipeline client-side, guaranteeing absolute privacy and instantaneous loading.
Related Privacy-First Tools
📖 Dual-Translation Parallel Study · 100% Offline
Bilingual Bible Study Online - KJV & WEB Parallel Reader
BoxyKit Libris Bible Reader provides a high-performance scripture study platform featuring parallel King James Version (KJV) and World English Bible (WEB) translations. Compare biblical texts verse-by-verse with synchronized split-screen navigation, instant book and chapter lookup, and complete offline capability with zero server tracking.
Key Features for In-Depth Scripture Study
Parallel Dual Translations
View KJV and WEB translations side-by-side with synchronized paragraph alignments for precise linguistic comparison.
Instant Chapter Navigation
Navigate Old and New Testament books and chapters instantly with keyboard shortcuts and a quick-picker drawer.
100% Offline & Private
Built-in translations are stored locally in your browser storage. Study scripture freely without an active connection.
Eye-Care Reading Themes
Switch effortlessly between Warm Sepia Parchment, Dark Obsidian, and Crisp Day themes with adjustable serif fonts.
How to Study Scripture with Libris
1
Select Book & Chapter
Open the scripture catalog button in the toolbar to pick any book from Genesis to Revelation.
2
Compare Dual Verses
Read synchronized KJV and WEB columns side-by-side to gain deeper cross-translation insights.
3
Personalize Typography
Click Aa settings to adjust text scale, reading themes, and font families for immersive contemplation.
Optimized Local Scripture Indexing
Libris packages complete canonical scriptures into optimized binary chunks. By leveraging IndexedDB and in-memory caching, verse lookups take less than 10 milliseconds without triggering remote API queries or tracking user spiritual study habits.
Bible Study FAQ
Which Bible translations are included?
Libris includes the King James Version (KJV) and World English Bible (WEB), offering both classical majesty and contemporary readability side-by-side.
Can I study the Bible offline?
Yes. Both translation texts are cached locally in your browser storage, allowing full offline study on planes, subways, or remote areas.
Does this tool require registration or payments?
No. BoxyKit Libris is 100% free and open, with zero sign-ups, no user tracking, and no advertisements.
How does split-screen comparison work on mobile?
On smaller screens and mobile devices, the dual columns responsively stack or allow quick toggling, maintaining optimal verse legibility.