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.mp4Convert Image to WebP
Quickly convert a PNG image to the modern WebP format using the cwebp CLI tool. This command sets the output quality to 80%, striking a good balance between file size and visual clarity…
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…
Switching Remote URLs from HTTPS to SSH
Quick snippet to switch a Git remote URL from HTTPS to SSH for easier authentication with SSH keys.
Delete All Local Branches Except main
A handy one-liner to clean up all your local Git branches except main. It uses -D to force-delete each branch, even if it hasn’t been merged—so be careful. If you want a safer version…