Web-based (No installation required) Best for: GUI developers using the LVGL graphics library. How it works: The LVGL team provides a robust online tool. You simply drag and drop your image (PNG, JPG, BMP, or even SVG) onto their website [lvgl.io/tools/imageconverter]. You select "RGB565" as the output format and choose "C array". It generates a .c file instantly, ready to be dropped into your project.
: Allows users to specify the target architecture (e.g., AVR , ARM , or PIC32 ) to ensure the generated code uses the correct memory modifiers like PROGMEM .
Better rendering on high-DPI Windows displays.
The tool converts standard images (such as .png , .jpg , and .bmp ) into formatting suitable for low-power microcontrollers. The standard 24-bit RGB888 color space requires 3 bytes per pixel, which quickly exhausts the flash memory of microcontrollers like the ATmega328P or ESP32.
Are you storing images in the or on an SD card ? Share public link