Thumbnail Grabber

Chrome extension for grabbing thumbnails/covers from YouTube, SoundCloud, Spotify and YouTube Music.

Easily download/copy/open thumbnails and covers from YouTube, SoundCloud, Spotify, YouTube Music and more. Get the Chrome extension or Firefox extension.

You can click the extension icon, use keyboard shortcuts or right click the page or links. You can customize the keyboard shortcuts, what clicking the extension icon does, and what context menu items are visible.

Dev Instructions

Setup

1. Install Node.js
2. Run npm install to install dependencies

Commands

• npm run dev: Build extension and watch for changes
• npm run build: Build extension and create a zip in /dist, ready for distribution to stores
• npm run format: Format code and apply code suggestions
• npm run check: Check code

Permissions

• scripting: For finding & displaying thumbnails
• storage: For storing the extension's settings
• contextMenus: For the ability to open/copy/download from the right-click menu
• activeTab: For inserting the popup into the current website
• clipboardWrite: For copying thumbnails to the clipboard
• <all_urls>: For checking if a thumbnail URL exists
• Individual URLs: For showing the download popup on certain websites

Publish new version

1. Run npm run check
2. Update CHANGELOG.md
3. Update version in package.json
4. Run npm run build
5. Commit with a tag in format "v#.#.#"
6. Create GitHub release with the extension zip and release notes
7. Publish to Chrome and Firefox stores