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How to make background image transparent using Python?

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  • Difficulty Level : Basic
  • Last Updated : 23 Aug, 2022
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In this article, the task is to create a background transparent of the image in Python

Library Required :

First Install pillow library on your Python Application before going ahead. Python Imaging Library is a free and open-source additional library for the Python programming language that adds support for opening, manipulating, and saving many image file formats. Pillow library is necessary for this mentioned program. You can install pillow library in Python using the code

pip install pillow

Method :

  1. Read the image.
  2. Convert the image into RGBA format.
  3. Change the white pixels of the image into a transparent form
  4. Save the newly edited image

Example :

Python3




from PIL import Image
 
def convertImage():
    img = Image.open("./image.png")
    img = img.convert("RGBA")
 
    datas = img.getdata()
 
    newData = []
 
    for item in datas:
        if item[0] == 255 and item[1] == 255 and item[2] == 255:
            newData.append((255, 255, 255, 0))
        else:
            newData.append(item)
 
    img.putdata(newData)
    img.save("./New.png", "PNG")
    print("Successful")
 
convertImage()

Output:

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