| Tool | Type | Safety | Quality | Notes | |------|------|--------|---------|-------| | (via command line) | External | High | Up to 320kbps | Requires technical know-how, not a Firefox add-on | | Video DownloadHelper (with companion) | Extension + external | Medium-High | Good | Companion app needed; reliable but not purely in‑browser | | cobalt.tools | Online site | Medium | High | No ads, open source; use with uBlock Origin |
YouTube™ to MP3 – Get this Extension for Firefox (en-US) mp3 downloader youtube firefox free
Most modern Firefox downloading relies on user scripts or external helper sites rather than traditional extensions. | Tool | Type | Safety | Quality
: Click Add to Firefox and confirm the permissions popup. Navigate to YouTube : Open the video you want to download. : A newer option designed for speed and
: A newer option designed for speed and high-quality 320kbps MP3 extraction.