Primary support is for MP4 videos, but it also handles MP3 for audio and JPEG for images or photo albums. How to Install and Use on Firefox
To download all MP3s from a page, open the extension menu from the toolbar and select "Download all mp3 files" . Safety and Reliability Considerations savefrom.net helper for firefox
: Supports various resolutions, including SD, HD (720p), and sometimes up to 4K, depending on the source. Primary support is for MP4 videos, but it