batch-img 0.0.8

Batch processing image files by utilizing Pillow / PIL library

batch_img

Batch processing (resize, rotate, add border) image files (HEIC, JPG, PNG) by utilizing Pillow / PIL library. Resize, rotate, or add border to a single image file or all image files in a folder. Tested on macOS.

Installation

One Time Setup

One time installation of the uv tool to prepare for All future Python tools installation. Install uv tool by its standalone installers:

# On macOS and Linux.
curl -LsSf https://astral.sh/uv/install.sh | sh

# On Windows.
powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"

Install the batch_img tool

Install the batch_img tool from PyPI:

uv pip install --upgrade batch_img

Usage

Sample command lines:

✗ batch_img --version
0.0.8

✗ batch_img rotate --angle 90 ~/Downloads/IMG_0070.HEIC
...
✅ Processed the image file(s)

Help

Top level commands help:

✗ batch_img --help
Usage: batch_img [OPTIONS] COMMAND [ARGS]...

Options:
  --version  Show this tool's version.
  --help     Show this message and exit.

Commands:
  border  Add internal border to image file(s), not expand the size.
  resize  Resize image file(s).
  rotate  Rotate image file(s).

The border sub-command CLI options:

✗ batch_img border --help
Usage: batch_img border [OPTIONS] SRC_PATH

  Add internal border to image file(s), not expand the size.

Options:
  -bw, --border_width INTEGER RANGE
                                  Add border to image file(s) with the
                                  border_width. 0 - no border.  [default: 5;
                                  0<=x<=30]
  -bc, --border_color TEXT        Add border to image file(s) with the
                                  border_color string.  [default: gray]
  -o, --output TEXT               Output file path. If not specified, replace
                                  the input file.  [default: ""]
  --help                          Show this message and exit.

The resize sub-command CLI options:

✗ batch_img resize --help
Usage: batch_img resize [OPTIONS] SRC_PATH

  Resize image file(s).

Options:
  -l, --length INTEGER RANGE  Resize image file(s) on original aspect ratio to
                              the length. 0 - no resize.  [default: 0; x>=0]
  -o, --output TEXT           Output file path. If not specified, replace the
                              input file.  [default: ""]
  --help                      Show this message and exit.

The rotate sub-command CLI options:

✗ batch_img rotate --help
Usage: batch_img rotate [OPTIONS] SRC_PATH

  Rotate image file(s).

Options:
  -a, --angle [0|90|180|270]  Rotate image file(s) to the clockwise angle. 0 -
                              no rotate.  [default: 0]
  -o, --output TEXT           Output file path. If not specified, replace the
                              input file.  [default: ""]
  --help                      Show this message and exit.