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…
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
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…