Image Converter

Image Converter is a CLI tool, build in python, that converts single images or a stack of images in a folder in a another file format. It also can be used to create fast and easy thumbnails from single images as well as from a stack of images. If you like, use filter such as blur, black and white, sharpen.

This tool was developed as final project for Harvard's CS50’s Introduction to Programming with Python.

Installation

Download the image converter files or install them via git clone:

git clone ssh://[email protected]/hooked-to-coding/image-converter.git

You may have to install the following libaries:

Pillow

python3 -m pip install Pillow

Argsparse

python3 -m pip install argparse

Tabulate

python3 -m pip install tabulate

Usage

Demo

Here is a short video demo of how to use the Image Converter. Look also at the examples to get a better understanding of the correct usage.

Supported file formats

The Image Converter supports the following file format:

• .jpg
• .jpeg
• .gif
• .png
• .webp

Filter

The Image Converter usess the following image filter:

• sharpen
• blur
• smooth
• bw (black and white)
• contour
• detail

Examples

Convert a single image

Converts the file bild.jpg to bild.webp and saves it in the same directory:

python3 imco.py -file bild.jpg -to webp

Converts the file bild.jpg to another_file.gif and saves it in the same directory:

python3 imco.py -file bild.jpg -to gif -name another_file

Converts the file bild.jpg to another_file.gif and saves it in the same directory:

python3 imco.py -file bild.jpg -to gif -name another_file

Converts the file bild.jpg to another_file.gif and saves it in ./new-dir/:

python3 imco.py -file bild.jpg -to gif -name another_file -dir new-dir/

Converts the file bild.jpg to another_file.gif and saves it in ./new-dir/:

python3 imco.py -file bild.jpg -to gif -name another_file -dir new-dir/

Converts the file bild.jpg to another_file.gif, saves it in ./../project/web-images/webp/ and uses a black and white filter:

python3 imco.py -file bild.jpg -to webp -name another_file -dir ../project/web-images/webp/ -filter bw

Convert multiple images with the same file format

Converts all images with the file format jpg to webp and saves it with the same name than the source file in ./_image_converter_webp:

python3 imco.py -dir web/ -type jpg -to webp

Converts all images with the file format jpg to webp, uses the blur filter and saves it with the same name than the source file in ./_image_converter_webp:

python3 imco.py -dir web/ -type jpg -to webp -filter blur

Create a thumbnail from a single image

Creates a thumbnail with the name bild_thumb_225x175.gif from the image bild.jpg in the same directory:

python3 imco.py -thumb 225 175 -file bild.jpg -to gif

Creates a thumbnail with the name bild_thumb_225x175.gif with the dimenssions 225 x 175px from the image bild.jpg in the same directory and uses the sharpen filter:

python3 imco.py -thumb 225 175 -file bild.jpg -to gif -filter sharpen

Create multiple thumbnail from images with the same file format in a folder

Creates a thumbnail from every file with the format jpeg in the folder _jpeg/ with the format 400 x 300px and saves it in _thumbs_webp:

python3 imco.py -thumb 400 300 -dir _jpeg/ -to webp -type jpeg

Support

Please open an issue for support.