Convert image to 1 bit depth BMP. File formats .jpg, .png, .bmp, .tiff, and .gif. Thanks to the Jimp library.
npx image-to-bmp file.png
npx image-to-bmp file.png 1.2
npx image-to-bmp <filename> <brightness>
Brightness can be 0 to 2.
Note: This assumes you have nodejs installed.
Installing globally is also an option:
npm install -g image-to-bmp
Write bmp top to bottom for microcontrollers or low memory chips.
Quick utility to make assets for monochrome displays.