Growth signalNo paid features detectedMedium-risk permissions

FlipHTML5 PDF Downloader

Download FlipHTML5 flipbooks to high-quality PDF. A fast and easy flipbook to PDF converter for offline reading.

Users933Current public install base

Rating2.9Store average score

Reviews8Public review volume

Manifest versionV3Extension platform version

7-day growth+69Net users gained this week

7-day growth rate+8.28%Relative weekly velocity

Preview

FlipHTML5 PDF Downloader Media preview

3 assets

Trend

30-day user trend

Review user movement over the last 30 days.

User Growth Over Time

Rating trend

30-day rating change

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30-day rating change

Start

2.88

Latest

2.88

30-day rating change

0.00

2026年6月22日2026年6月28日

Growth overview

Daily, weekly, and monthly growth

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

1-day growthNo data

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7-day growthGrowing

+69+8.28%

30-day growthGrowing

+275+43.9%

Technical snapshot

Version, languages, and crawl freshness

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

Version1.0.3

ManifestV3

Size1.46MiB

Languages1English

Published--

Store updated--

Last crawled--

Overview

Product summary

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

FlipHTML5 PDF Downloader - Save Your Flipbooks Anywhere

Overview:

Tired of only being able to read FlipHTML5 books online? FlipHTML5 PDF Downloader is a powerful Chrome extension designed to help you convert and download any FlipHTML5 flipbook into a high-quality PDF document. Whether you need it for offline study, archiving, or easy sharing, our tool makes the process seamless and fast.

Key Features:

⚡ Automatically adjust page size, no margins.

💎 Set image compression ratio to save space.

Reviews

Recent review snapshot

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The Chrome Web Store shows 8 reviews, but only 0 review bodies have synced into ExtScope so far. Showing the synced reviews available right now.

5★

4★

3★

2★

1★

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AI product read

Download FlipHTML5 flipbooks as high-quality PDFs

Allows users to save and read FlipHTML5 flipbooks offline, bypassing the online-only restriction of the FlipHTML5 platform.

User navigates to a FlipHTML5 flipbook -> Extension injects a scan dialog -> User initiates download -> Extension converts the flipbook pages to PDF -> User saves the PDF locally.

Target users: Students / Researchers / Professionals who need to archive or share FlipHTML5 content offline

The extension code is heavily minified and bundled, making it difficult to trace all logic paths. The 'get-membership' backend call suggests potential paid features managed server-side, but no client-side payment logic was found.

Monetization

No paid features detected

The extension description and code do not show any payment gating, subscription management, or license checks within the extension itself. The 'pro' keyword matches in the static analysis are false positives from library code (e.g., ant-design, supabase-js). The extension uses Supabase functions like 'get-membership' and 'check-app', which suggests the vendor might have a backend service that tracks usage or membership, but there is no evidence in the source code that the extension itself requires payment to function or offers paid features directly. The 'upgrade' keyword found in the heuristic was not confirmed in the detailed source scan as a payment gate. The extension appears to be free to use, potentially relying on the destination service's own monetization.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: Yes
Reason: The extension integrates with Supabase Auth and handles OAuth callbacks (authCallback.e3a2e000.js) for user sessions. The background script (static/background/index.js) implements getUser, handleAuthMessages, and stores access/refresh tokens. While the extension itself does not force login for basic UI, the core functionality (downloading flipbooks) relies on the destination service (FlipHTML5) which requires a user account to access and read flipbooks. The extension's auth flow is designed to authenticate the user with the destination service or the extension's backend to manage membership/config.

Permission risk

Medium-risk permissions

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

扩展能力较强：activeTab、storage

Publisher

Independent publisher

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

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Permissions

Host access