: Known as the "gold standard" for general media detection, this extension excels at capturing HLS and DASH streams. To handle 1080p and higher resolutions, it often requires a "Companion App" installed on your operating system to merge the video and audio files.

: This is a highly popular option that provides a "Download As" button directly below the video player. It supports 1080p Full-HD and high-quality MP3 (256kbps) extraction. While some 1080p features may require a paid "Pro" upgrade due to server costs for merging streams, it remains a fast, one-click solution.

To download YouTube videos in 1080p using Firefox as of May 2026, you can use specialized browser extensions, external download managers, or advanced command-line tools. Many standard extensions are limited to 720p because high-definition formats (1080p and above) require separate video and audio stream merging. Top Firefox Extensions for 1080p Downloads

If browser extensions fail due to YouTube updates, these more robust methods are recommended.

These add-ons integrate directly into your browser, adding download buttons to the YouTube interface.

: A newer, lightweight choice that supports up to 4K UHD. It allows two 1080p downloads per day for free, with unlimited high-res downloads available through a paid unlock.

: This versatile tool supports over 1,000 websites and offers multiple formats like MP4, FLAC, and WAV. Advanced & Desktop Alternatives