# ePUB Reader

> View ePUB files right in your browser in a popup window.

Canonical page: [https://chrome-stats.com/d/epub-reader](https://chrome-stats.com/d/epub-reader)

## Overview

- **ID:** `epub-reader`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Sevina
- **Category:** feeds-news-blogging,appearance,tabs
- **Daily users:** 4,795
- **Weekly downloads:** 53
- **Rating:** 3.59 / 5 (29 ratings)
- **Version:** 0.1.1
- **Last updated:** 2019-06-11
- **First published:** 2019-01-23
- **Size:** 223 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/epub-reader/)
- **Website:** [https://mybrowseraddon.com/epub-reader.html](https://mybrowseraddon.com/epub-reader.html)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/epub-reader/privacy/](https://addons.mozilla.org/firefox/addon/epub-reader/privacy/)

## Description

**ePUB Reader** is a versatile Chrome extension that enables you to open and read ePUB files directly within your browser popup window. Whether you're working with online ePUB links or offline files, this add-on offers an intuitive interface. Simply right-click ePUB links and select "View ePub" or drag & drop ePUB files into the popup to start reading instantly.

The extension features multiple document view options, adaptable layouts that resize with your window, and utilizes the open-source epub.js library for reliable rendering of the ePUB format. An excellent tool for seamless e-book reading without leaving your browser.

## Rankings

- #1,215 — Overall
- #54 — Feeds, News & Blogging
- #98 — Tabs
- #191 — Appearance
- #13 — reader
- #38 — header

## Permissions and access

### Permissions

- `storage`
- `contextMenus`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Users appreciate that the ePUB Reader add-on correctly displays ePUB files and provides several reading modes with adjustable font size and background color for comfort. However, major drawbacks include the absence of a table of contents, frequent resetting to the start when resizing or reopening, poor customization options especially for dark mode, rendering issues with images, and infrequent updates for Firefox that lag behind other browsers.

### Pros

- Displays ePUB files correctly with support for images and different reading modes.
- Offers several reading modes, including options for font size and background color that help with eye comfort.
- Simple and functional for basic ePUB reading needs.

### Cons

- Lacks a table of contents feature, making it difficult to skip chapters or jump to specific sites.
- Frequently jumps back to the beginning of the book when resizing the window or reopening, losing the reader's position.
- Inconsistent and outdated updates on Firefox store compared to other browsers, showing a lack of developer attention.
- Poor customization options for colors and fonts; dark mode is hard to read due to low contrast.
- Issues with rendering images properly, sometimes cutting off parts or not scaling correctly.

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Source: [Chrome-Stats](https://chrome-stats.com/d/epub-reader)