Rename PNG Files to Random UUIDs
A simple Bash script that renames all .png files in the current directory using randomly generated lowercase UUIDs. It ensures uuidgen is installed before execution and skips renaming if no…
Merge Video and Audio with FFmpeg
This simple FFmpeg command merges a video file (video.mp4) and an audio file (audio.mp4) without re-encoding. It copies both streams as they are, ensuring fast processing and no quality loss.
ffmpeg -i video.mp4 -i audio.mp4 -c:v copy -c:a copy output.mp4
Adjust Color Opacity
Easily create a semi-transparent version of any color using color-mix(). This CSS function blends two colors in a specified ratio. In this example, currentColor is mixed with transparent at 50…