#ffmpeg
49 solutions
Reduce a video's file size with FFmpeg's constant-quality CRF mode so it fits email and chat upload limits.
Concatenate several clips that share the same codec and resolution into a single video file from the command line.
Pull the sound track out of any video file and save it as an MP3 with one FFmpeg command.
Turn a QuickTime .mov clip into a universally playable .mp4 file with one FFmpeg command.
Turn M4A, WAV, or FLAC audio into MP3 files from the terminal with ffmpeg's LAME encoder.
Burn a PNG logo into the corner of any video with one ffmpeg command.
Re-encode a video with libx265 at CRF 28 to cut file size dramatically while keeping quality (requires brew-installed ffmpeg).
Transcode any audio file between MP3, M4A/AAC, WAV, FLAC and more from the command line.
Turn an animated GIF into an H.264 MP4 that is far smaller and plays on every device.
Build a small, good-looking GIF on macOS with ffmpeg's palettegen/paletteuse filter chain (ffmpeg is not preinstalled).
Cut a portion of a video by timestamps in seconds, using stream copy so quality is untouched.
Cut a section out of an MP3/WAV audio file between two timestamps directly from the command line.