Superfast batch image resizer and rotator

 Feature
 .
  - Resize by percentage or resolution
  - Rotate clockwise by specified angle
  - Adaptive resize considering orientation
  - Brute force to a resolution
  - Optimize images to save more space
  - Convert PNG to JPEG
  - Erase exif metadata
  - Force smaller to larger resize
  - Process directories recursively
  - Overwrite source image option
  - Completion scripts for bash, fish, zsh
  - Minimal dependencies