batch-img 0.1.4

Batch processing (resize, rotate, add border) image files (HEIC, JPG, PNG)

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 and Windows.

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

$env:Path = "C:\Users\{your_user_name}\.local\bin:$env:Path"

uv venv

.venv\Scripts\activate

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:
  --update   Update the tool to the latest version.
  --version  Show the 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.