Pixiv Bulk Downloader This cross-browser WebExtension adds a toolbar button and on-canvas shortcut that download every image from the current Pixiv artwork page in one click. It works with single illustrations, manga posts with multiple pages, and animated ugoira ZIPs. About the Project Pixiv Bulk Downloader is a powerful yet simple tool designed for collectors, and enthusiasts who want to save Pixiv artworks efficiently. Born from the frustration of downloading multiple images one by one, this extension automates the process while respecting Pixiv's terms of service and providing robust fallback mechanisms for reliable downloads. Key Highlights

Seamless Integration: Works directly in your browser without requiring external software.
Smart Metadata Parsing: Extracts image URLs from Pixiv's preload data or falls back to Ajax APIs for maximum compatibility.
User-Friendly Interface: Localized in English, Japanese, and Simplified Chinese, with customizable options for download behavior.
Reliability First: Handles network errors, retries failed URLs, and ensures filenames are safe and descriptive.
Privacy & Security Focused: No data collection. Built with strict origin validation, XSS sanitization, rate-limiting, and optimized memory usage via Blob URLs.

Whether you're archiving your favorite artist's work or building a personal collection, Pixiv Bulk Downloader makes it effortless and fast. Features

Parses Pixiv’s embedded metadata to collect the original-resolution image URLs.
Handles both single and multi-page illustrations, plus ugoira ZIP assets.
Creates a tidy folder structure: Pixiv/<artist>/<illustId>-<title>/...
Floating download button appears on the artwork preview and opens a range selector (defaults to all pages).
Visual badge feedback during the download process.
Localized interface: English (default), Japanese, and Simplified Chinese.
Options page to tweak defaults (range behaviour, overlay toggle, filenames) and explore the creator’s other projects.
Works in Chromium-based browsers (Chrome, Edge, Brave, Vivaldi) and Firefox.
And last, fast and understandable settings (you can open it via right-clicking to extention's logo) menu.

Usage

Open any Pixiv artwork detail page, e.g. https://www.pixiv.net/en/artworks/12345678.
Hover the illustration—an extension button appears in the top-right corner of the artwork.
Click the button to keep the default “all pages” selection or pick a custom page range, then confirm.
Watch the toolbar badge for progress (e.g. 1/4, ✔, or ERR).
The browser’s downloads panel will show each image as it saves.

Settings & customization

Open the extension’s Options page (Chrome/Edge: right-click the toolbar icon → Options; Firefox: about:addons → Pixiv Bulk Downloader → Preferences).
Choose how downloads behave:
Interface language override (English, Japanese, or Simplified Chinese).
Default page range: download everything, ask every time, or reuse your last custom range (hold Shift while clicking the overlay button to force the dialog).
Toggle the on-canvas overlay button if you prefer the toolbar icon only.
Decide whether filenames include the _pixiv-only anti-theft suffix.
Rename the root download folder and retry failed URLs automatically.
Preferences are stored via chrome.storage.sync when available so they follow you across browsers signed into the same account (with a local fallback otherwise).
The extension has three languages: English, Japanese, and Simplified Chinese.

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