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Automation & scripting

CLI tools, scheduled jobs, filesystem tasks, and glue scripts that save time.

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Automation & scripting easy

How to Generate Thumbnails While Maintaining Aspect Ratio in Python

Resize images to fit within maximum dimensions while preserving the original aspect ratio using Pillow (PIL).

pillow image-processing thumbnail
Python 
from PIL import Image

def thumbnail_with_aspect_ratio(image_path, output_path, max_width, max_height):
    with Image.open(image_path) as img:
        # Get original dimensions
        width, height = img.size

        # Calculate scaling ratio to fit within max dimensions
        ratio = min(max_width / width, max_h…
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