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Preview of Facebook Bulk Image Downloader

Facebook Bulk Image Downloader by Daniel Banaybanay

Download all high-res images from a Facebook post lightbox.

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About this extension
Facebook Bulk Image Downloader

A Firefox extension to easily download high-resolution images from Facebook posts and albums.

Features
  • Interactive Selection: Click to select specific images or "Select All".
  • Bulk Download: Download multiple images at once.
  • Smart Filtering: Automatically ignores small icons and avatars.
  • Organized Folders: Saves images to a custom folder (default: proj1) with sequential naming.
  • Lightbox Support: Works seamlessly within Facebook's theater/lightbox mode.

Installation
  1. Open Firefox and navigate to about:debugging.
  2. Click on "This Firefox" in the left sidebar.
  3. Click "Load Temporary Add-on...".
  4. Select the manifest.json file located in this directory.

Usage
  1. Navigate: Go to a Facebook post or album and click an image to open the Lightbox (black overlay view).
  2. Activate: Click the extension icon in the browser toolbar.
  3. Configure: Enter a folder name (optional, defaults to proj1) and click "Select Images".
  4. Select:
    • A floating bar will appear at the bottom.
    • Click on images to select them (green checkmark appears).
    • Or click "Select All" in the floating bar.
    • Note: You can navigate to the next/previous image, and the extension will detect new images automatically.
  5. Download: Click "Download" on the floating bar.
  6. Done: Images will be saved to your default Downloads folder under the specified subfolder.

Permissions
  • downloads: To save files to your computer.
  • activeTab: To interact with the current Facebook page.
  • scripting: To inject the selection UI.
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Permissions and data

Required permissions:

  • Download files and read and modify the browser’s download history
  • Access your data for sites in the facebook.com domain

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
1.0
Size
15.05 KB
Last updated
17 days ago (Nov 29, 2025)
License
All Rights Reserved
Version History
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