PIL image writer parameters details

The Python Imaging Library (PIL) provides multiple image writer parameters that can be used to customize the output of an image file. Some of the common parameters are listed below:

format: This parameter is used to specify the file format of the output image. Examples include JPEG, PNG, BMP, GIF, etc. The default format is JPEG.
quality: This parameter is used to specify the quality of the output image. For example, a value of 95 specifies a high-quality output image with minimal compression, while a value of 5 specifies a low-quality output image with high compression. The range of the quality parameter is usually between 0 and 100.
optimize: This parameter is used to specify whether or not to optimize the output image for size. If set to True, the image will be optimized for size by removing unnecessary data, resulting in a smaller file size.
progressive: This parameter is used to specify whether or not to save the output image as a progressive JPEG. If set to True, the image will be saved as a progressive JPEG, which loads faster over slow internet connections.
subsampling: This parameter is used to specify the subsampling mode for the output image. Subsampling is a technique used to reduce the file size of JPEG images by compressing the color information. The default value is 1, which means no subsampling.
dpi: This parameter is used to specify the dots per inch (dpi) of the output image. This is useful when saving images for printing purposes.
transparency: This parameter is used to specify whether or not to preserve the transparency of the input image. If set to True, the output image will preserve the transparency of the input image, if it has any.
exif: This parameter is used to specify the EXIF data for the output image. EXIF data includes information about the camera settings used to capture the image. This information can be added to the output image file.