BMP-FI Windows or OS/2 Bitmap

Extensions: .bmp

A BMP format based on the Freeimage library.

This format supports grayscale, RGB and RGBA images.

The freeimage plugin requires a freeimage binary. If this binary not available on the system, it can be downloaded manually from <> by either

  • the command line script imageio_download_bin freeimage
  • the Python method

Parameters for saving

compression : bool
Whether to compress the bitmap using RLE when saving. Default False. It seems this does not always work, but who cares, you should use PNG anyway.