Magnet-Downloader

A Chrome extension to list and manage magnet links for qBittorrent.

Features

• Automatically detect and list all magnet links on the current page
• Deduplicate magnet links by info hash
• Select All / Deselect All with a single checkbox
• Search and filter magnet links by name
• Copy individual magnet URLs to clipboard
• Send selected magnet links to qBittorrent for download
• Parallel downloads with per-torrent success/failure status
• Choose a qBittorrent category before downloading
• Badge count on the extension icon showing how many magnet links are on the page
• Smart session reuse — only re-authenticates when needed
• Dark mode support (follows system theme)
• Torrent search via Jackett — search for torrents by keyword across 500+ indexers and download results directly

Prerequisites (for search feature)

• Jackett running locally or on your network (e.g. http://localhost:9117)
• At least one indexer configured in Jackett

Installation

1. Clone the repository
2. Open Chrome and go to chrome://extensions/
3. Enable "Developer mode" in the top right corner
4. Click "Load unpacked"
5. Select the folder where you cloned the repository

Usage

1. Navigate to a page with magnet links
2. Click the extension icon — the badge shows how many magnets were found
3. Use the search bar to filter links, or Select All to grab everything
4. Optionally pick a qBittorrent category from the dropdown
5. Click "Download Selected" to add torrents to qBittorrent
6. Each torrent shows a checkmark or X indicating success or failure

Searching for torrents

1. Go to the Search tab in the popup
2. Type keywords and press Enter or click Search
3. Results from all your Jackett indexers appear with name, size, seeders, leechers, and tracker
4. Select the torrents you want and click "Download Selected"

Settings

Go to the Settings tab in the popup to configure:

• WebUI URL — your qBittorrent WebUI address (e.g. http://localhost:8080)
• Username / Password — your qBittorrent credentials
• Test Connection — verify connectivity and see the qBittorrent version
• Jackett URL — your Jackett address (e.g. http://localhost:9117)
• Jackett API Key — found in Jackett's web UI (top right of the dashboard)

Troubleshooting

• If you get a 403 error when connecting to qBittorrent, add the following custom headers in qBittorrent (Options > WebUI > Security > Custom HTTP headers):
  • Access-Control-Allow-Origin: chrome-extension://*
  • Access-Control-Allow-Methods: GET, POST, OPTIONS
  • Access-Control-Allow-Headers: Authorization, Content-Type, Accept
  • Access-Control-Allow-Credentials: true