How to Convert JPG to PSD Using Python

Converting a JPG image to a PSD (Photoshop Document) file can be useful for editing layers, masks, and other Photoshop-specific features. While Photoshop itself is the go-to tool for this, Python offers a powerful alternative for batch processing or automation. In this guide, we'll use the Pillow library, one of the most popular Python modules for image processing, to achieve this conversion.

Prerequisites

Before we begin, ensure you have the following:

Python installed (version 3.6 or higher recommended).
The Pillow library installed. You can install it via pip:

pip install Pillow

Additionally, you'll need a sample JPG file to test the conversion.

Step-by-Step Conversion Process

1. Import the Required Modules

First, import the Image module from the Pillow library:

from PIL import Image

2. Load the JPG Image

Use the Image.open() method to load your JPG file:

image = Image.open("input.jpg")

3. Save the Image as PSD

Unfortunately, Pillow does not natively support saving images as PSD files. However, you can use a workaround by saving the image in a format like TIFF (which supports layers) or PNG, and then manually converting it to PSD using other tools. Here’s how to save it as a TIFF file:

image.save("output.tiff")

For direct PSD conversion, you may need additional libraries like psd-tools, which is designed specifically for PSD file manipulation.

Alternative: Using psd-tools

If you need true PSD conversion with layer support, the psd-tools library is a better choice. Here’s how to use it:

1. Install psd-tools

pip install psd-tools

2. Convert JPG to PSD

Here’s a sample script to create a PSD file from a JPG:

from psd_tools import PSDImage
from PIL import Image

# Load the JPG image
image = Image.open("input.jpg")

# Create a new PSD file
psd = PSDImage.new()
psd.add_layer(image)

# Save the PSD file
psd.save("output.psd")

This method ensures the output is a valid PSD file with a single layer.

Conclusion

While Pillow is excellent for basic image conversions, psd-tools is the better choice for working with PSD files in Python. Depending on your needs, you can choose either method to automate the conversion process.

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