Lumen Read - EPUB Reader & Reading Tracker Firefox

Lumen Read - EPUB Reader & Reading Tracker

The modern, offline EPUB reader. Features GitHub-style heatmaps, streak tracking, smart dark mode, and a beautiful Material Design interface. No ads, no tracking.

Features & Capabilities

Stop abandoning your books. Lumen Read transforms your browser into a distraction-free reading station designed to help you build a consistent reading habit.

Why replace your current reader?

Reading in the browser usually feels clunky. We engineered Lumen Read to feel like a native, premium app. It is an evolution of the Flow project, rewritten for performance, aesthetics, and productivity.

✨ Key Features

🔥 Gamify Your Reading (New!) Building a habit is hard. Lumen makes it addictive:

  • Heatmap Calendar: Visualize your daily reading history (GitHub-style).
  • Streak Counter: Keep your momentum alive.
  • Smart Estimates: Real-time calculation of your reading speed and time to finish.

🎨 Immersive Material Design 3

  • Dynamic Theming: The entire UI adapts to your favorite color.
  • Focus Mode: Hide the UI and immerse yourself in the text.
  • Custom Typography: Adjust fonts, spacing, and layout to match your eyes.

🌑 True Smart Dark Mode Not just a color inversion. Our engine carefully darkens the background while preserving the original colors of book covers and images.

🔒 Privacy & Offline-First

  • 100% Local: Your books stay on your device. We do not track you, and we do not upload your files to any server.
  • Open Source: Built with transparency (AGPL v3 License).

🚀 Productivity Tools

  • Quick Switcher: Switch between multiple open books instantly.
  • Advanced Search: Find keywords across chapters in seconds.
  • Library Management: Filter by Unread, In Progress, Finished or Custom.

Lumen Read is a free, open-source project. If you encounter any bugs, please report them on our GitHub.

User Growth & Download Statistics

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
Zolangui
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/lumen-read/
Website:
https://github.com/Zolangui/Lumen-Read/

User Reviews

界面美觀,使用流暢,功能豐富。設定可以分開單獨套用書籍或設為全局,非常貼心。 幾點建議: 1、必須自行輸入字型名稱才能套用自訂字型,沒有顯示在選單上。一開始還不知道有設定字型的功能。建議做得更明顯一點。 2、Zen模式需按ESC才能退出。一開始不曉得,按F11退出全螢幕之後仍一直按不出功能表,還以為故障,建議適度加上功能提示。
by Fi*****, 2026-03-07

非常不错,在其他平台有么?
by Fi*****, 2026-01-28
View all user reviews ›

Is Lumen Read - EPUB Reader & Reading Tracker Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Lumen Read - EPUB Reader & Reading Tracker does not require any sensitive permissions.

Risk impact analysis details
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Lumen Read - EPUB Reader & Reading Tracker is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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