Cooling signalNo paid features detectedHigh-risk permissions

Web to EPUB

Convert web pages into EPUBs you can read on your eReader

Users913Current public install base

Rating5.0Store average score

Reviews1Public review volume

Manifest versionV3Extension platform version

7-day growth-87Net users gained this week

7-day growth rate-8.7%Relative weekly velocity

Preview

Web to EPUB Media preview

1 assets

Trend

User growth trend

Review user movement across collected snapshots.

User Growth Over Time

Rating trend

7-day rating trend

View collected rating snapshots from the latest 7-day window to assess rating stability.

7-day rating change

Start

5.00

Latest

5.00

7-day rating change

0.00

2026年7月14日2026年7月20日

Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthDeclining

-83-8.33%

7-day growthDeclining

-87-8.7%

30-day growthGrowing

+454+98.9%

Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version1.0.1

ManifestV3

Size79.09KiB

Languages1English (United States)

Published--

Store updated--

Last crawled--

Overview

Product summary

Review the store description, core capabilities, and common use cases.

Convert web pages into EPUBs you can read on your eReader.

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

Store average score5.0Chrome Web Store aggregate rating, including ratings without synced review text

Synced text average5.0Average computed only from synced review bodies below

Reviews with text1Synced review bodies

Total ratings / reviews1Chrome Web Store public rating/review count

Store average score: 5.0. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★

4★

3★

2★

1★

Александр (mmshurik)2026年2月10日

Beautiful app for Chrome. Now I can read sites on my PocketBook

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AI product read

Convert web pages into EPUB format for e-readers

Users want to save and read web articles/pages offline on their e-readers (Kindle, Kobo, etc.) but lack an easy way to convert HTML pages to EPUB format. This extension provides a one-click solution directly in the browser.

User navigates to a web page → clicks the Web to EPUB extension icon → extension popup appears with 'Convert to EPUB' button → user clicks the button → content.js extracts the main article content using Readability → popup.js generates an EPUB file using JSZip with templates from the /epub/ directory → browser triggers a download of the .epub file → user opens the EPUB on their e-reader

Target users: e-reader owners (Kindle, Kobo, Nook, etc.) who want to read web articles offline / Blog readers who prefer reading in EPUB format / Users who want to archive web content in a portable format

The bundled JS chunk (popup-DznTEHMM.js, ~135KB) is minified and obfuscated, making some logic harder to trace precisely. However, key patterns (JSZip usage, EPUB template references, Readability integration) were identifiable through keyword searches and static analysis.
The extension uses templates from /epub/ directory (container.xml, stylesheet.css, content.opf, content.xhtml, toc.ncx) which are binary or small text files included in the package. These define the EPUB structure but were not fully inspected.
No network traffic was observed during analysis; the conclusion that conversion is fully client-side is based on code inspection showing JSZip and Readability usage with no external API calls for conversion.

Monetization

No paid features detected

The extension is completely free with no paid features, subscriptions, or paywalls. The popup contains only a 'Convert to EPUB' button and a 'Donate' link to buymeacoffee.com, which is voluntary support, not a paid feature gate. No upgrade prompts, license checks, or billing APIs were found in the code.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension performs all EPUB conversion locally in the browser using client-side libraries (Readability for content extraction, JSZip for packaging). There is no authentication flow, no API calls to external services requiring login, and no account creation or sign-in UI in the popup or content scripts. The user can convert any page immediately without logging in.

Permission risk

High-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

主机权限覆盖范围较宽

Publisher

Chai

Independent publisher

Email: [email protected]
Phone: --
Address: --

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Permissions

Host access