: GrabIt! operates by sending a request to a web service that runs yt-dlp in the background. You'll need to run this web service on your local machine or server, which adds technical complexity but gives you complete control and reliability.

Requires a "Companion App" installation for certain complex formats. 2. Easy Youtube Video Downloader Express

: One of the oldest and most trusted "1-click" tools. It adds a direct "Download As" button to the YouTube interface for standard formats like 1080p MP4 and 256kbps MP3. Addoncrop YouTube Video Downloader

This is one of the oldest and most trusted digital media extraction tools on Firefox.

Here’s a useful write-up on — covering what they do, why you might need one, top options, legal/ethical notes, and usage tips.

: Modern plugins support qualities up to 4K and 8K , though some like Easy Youtube Video Downloader Express are specifically noted for maintaining 1080p Full-HD functionality despite YouTube's frequent technical changes.

: ⭐⭐ (powerful but requires significant setup and is Windows-only)