This Python script walks a directory, finds images, and rotates any portrait-oriented image 90° counter-clockwise so it becomes landscape. # Landscape images are left alone. It also respects EXIF orientation, which saves you from the classic “why is this one upside down?” ritual.

90° Counter-Clockwise Image Rotation Script.py

from PIL import Image, ImageOps
import os

IMAGE_EXTENSIONS = (".jpg", ".jpeg", ".png", ".tiff", ".bmp")

def rotate_portrait_images(directory):
    for filename in os.listdir(directory):
        if not filename.lower().endswith(IMAGE_EXTENSIONS):
            continue

        path = os.path.join(directory, filename)

        try:
            with Image.open(path) as img:
                # Normalize orientation using EXIF data
                img = ImageOps.exif_transpose(img)

                width, height = img.size

                # Portrait → rotate CCW
                if height > width:
                    img = img.rotate(90, expand=True)
                    img.save(path)
                    print(f"Rotated: {filename}")
                else:
                    print(f"Skipped (already landscape): {filename}")

        except Exception as e:
            print(f"Error processing {filename}: {e}")

if __name__ == "__main__":
    rotate_portrait_images("/path/to/your/image/directory")