youtube-dl is a tool to download videos from Youtube, vimeo and many other platforms. A comprehensive list can be found here
sudo apt install youtube-dl in Linux/WSL or brew install youtube-dl for macOS.
Examples:
Download the best quality of audio and video:
youtube-dl https://www.youtube.com/watch?v=gEsHsMu7Tfg
Check what qualities are there:
youtube-dl -F https://www.youtube.com/watch?v=gEsHsMu7Tfg
Will output:
[youtube] gEsHsMu7Tfg: Downloading webpage
[info] Available formats for gEsHsMu7Tfg:
format code extension resolution note
249 webm audio only tiny 51k , webm_dash container, opus @ 51k (48000Hz), 918.56KiB
250 webm audio only tiny 68k , webm_dash container, opus @ 68k (48000Hz), 1.19MiB
140 m4a audio only tiny 129k , m4a_dash container, mp4a.40.2@129k (44100Hz), 2.26MiB
251 webm audio only tiny 134k , webm_dash container, opus @134k (48000Hz), 2.34MiB
394 mp4 256x144 144p 67k , mp4_dash container, av01.0.00M.08@ 67k, 24fps, video only, 1.17MiB
160 mp4 256x144 144p 68k , mp4_dash container, avc1.4d400c@ 68k, 24fps, video only, 1.19MiB
278 webm 256x144 144p 92k , webm_dash container, vp9@ 92k, 24fps, video only, 1.62MiB
395 mp4 426x240 240p 127k , mp4_dash container, av01.0.00M.08@ 127k, 24fps, video only, 2.23MiB
133 mp4 426x240 240p 131k , mp4_dash container, avc1.4d4015@ 131k, 24fps, video only, 2.29MiB
242 webm 426x240 240p 140k , webm_dash container, vp9@ 140k, 24fps, video only, 2.45MiB
396 mp4 640x360 360p 231k , mp4_dash container, av01.0.01M.08@ 231k, 24fps, video only, 4.04MiB
134 mp4 640x360 360p 238k , mp4_dash container, avc1.4d401e@ 238k, 24fps, video only, 4.15MiB
243 webm 640x360 360p 249k , webm_dash container, vp9@ 249k, 24fps, video only, 4.35MiB
135 mp4 854x480 480p 382k , mp4_dash container, avc1.4d401e@ 382k, 24fps, video only, 6.68MiB
244 webm 854x480 480p 390k , webm_dash container, vp9@ 390k, 24fps, video only, 6.82MiB
397 mp4 854x480 480p 412k , mp4_dash container, av01.0.04M.08@ 412k, 24fps, video only, 7.19MiB
136 mp4 1280x720 720p 612k , mp4_dash container, avc1.4d401f@ 612k, 24fps, video only, 10.69MiB
247 webm 1280x720 720p 685k , webm_dash container, vp9@ 685k, 24fps, video only, 11.95MiB
398 mp4 1280x720 720p 841k , mp4_dash container, av01.0.05M.08@ 841k, 24fps, video only, 14.67MiB
399 mp4 1920x1080 1080p 1475k , mp4_dash container, av01.0.08M.08@1475k, 24fps, video only, 25.74MiB
248 webm 1920x1080 1080p 1716k , webm_dash container, vp9@1716k, 24fps, video only, 29.94MiB
137 mp4 1920x1080 1080p 1983k , mp4_dash container, avc1.640028@1983k, 24fps, video only, 34.60MiB
18 mp4 640x360 360p 527k , avc1.42001E, 24fps, mp4a.40.2 (44100Hz), 9.21MiB
22 mp4 1280x720 720p 741k , avc1.64001F, 24fps, mp4a.40.2 (44100Hz) (best)
Now you can select which one you want to download. I want just audio so:
youtube-dl -f 251 https://www.youtube.com/watch?v=gEsHsMu7Tfg
losslesscut is a tool to quickly trim videos without having to reencode them.
https://github.com/mifi/lossless-cut
sudo apt install ffmpeg in Linux/WSL or brew install ffmpeg in macOS