LCDAssistant - image2cpp, is a simple tool to change image into byte arrays (or arrays back into an image) for use with (monochrome) displays such as OLEDs on your Arduino or Raspberry Pi. This tool is particularly useful for programming image on monochrome screens, such as OLED displays.
This tool also works offline. Save this page on your computer and open the file in your browser. You can find the GitHub repo of this page here.
GFXbitmapFont
formatted ouput. Used
by a modified version of the Adafruit GFX library. GitHub
project and example
here.