#image

Batch-convert iPhone HEIC images to universally readable JPG files.

Capture the full screen, a window or a selected area to a timestamped PNG using scrot or gnome-screenshot.

Dump video frames to numbered PNG files at any interval.

Shrink images on macOS from the terminal using sips -Z (aspect-preserving) or sips -z (exact dimensions).

Scale a picture down (e.g. to 400px wide) with System.Drawing's Graphics.DrawImage in a single PowerShell command.

Use the built-in sips tool to rotate an image by degrees or flip it horizontally/vertically directly from the command line.

Use the built-in .NET System.Drawing RotateFlip method to rotate or mirror a picture from the command line.

Reduce the size of JPEG photos for web pages or email, in bulk or one at a time.

Use sips -c to crop an image to a given height and width, cutting equally from the edges, entirely from Terminal.

Turn DOT descriptions into flowcharts, trees and network graphs.

Set screenshots to save as JPG (or another format) permanently with defaults write.

Grab one frame at any timestamp as an image with one ffmpeg command.