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ffmpeg-image-utils

A collection of simple bash scripts for image processing.

Requirements

Image Cropping Script (crop_images.sh)

Automatically crops images based on their orientation (portrait or landscape).

Usage

./crop_images.sh [options]

Options

  • -l, --landscape <WxH>: Set dimensions for landscape images (default: 480x230).
  • -p, --portrait <WxH>: Set dimensions for portrait images (default: 480x600).
  • -o, --output <dir>: Set the output directory (default: cropped_images).
  • -f, --file <file>: Process a single file instead of all images in the directory.
  • -d, --directory <dir>: Process all images in the specified directory.
  • -c, --circle: Crop images into a circular shape. Output will always be PNG.
  • -cs, --circle-size <SIZE>: Set the diameter for circular crops (default: 400).

Example

./crop_images.sh -l 800x600 -o my_crops

To process a single file:

./crop_images.sh -f my_image.jpg -o my_crops

To process all images in a specific directory:

./crop_images.sh -d /path/to/images -o my_crops

To crop images into a circle:

./crop_images.sh -f my_image.jpg -c -cs 200

WebP Conversion Script (convert_to_webp.sh)

Converts .jpg, .jpeg, and .png images to .webp format.

Usage

./convert_to_webp.sh [options]

Options

  • -q, --quality <0-100>: Set the WebP quality (default: 80).
  • -o, --output <dir>: Set the output directory (default: webp_images).
  • -f, --file <file>: Process a single file instead of all images in the directory.
  • -d, --directory <dir>: Process all images in the specified directory.

Example

To convert images with a quality of 90 and save them in a converted directory:

./convert_to_webp.sh -q 90 -o converted

To convert all images in a specific directory:

./convert_to_webp.sh -d /path/to/images -q 90 -o converted