While ImageConverter 565 v2.3 is a stalwart tool, modern alternatives exist:
The tool serves as a bridge between high-resolution PC images and the memory-constrained environment of microcontrollers. Format Conversion
Byte order mismatch. The display expects one order, but the tool output another. Fix: Re-export with the "Swap Bytes" option toggled opposite of your current setting. Alternatively, post-process the array with a small loop swapping (byte0, byte1) .
Add this to your Makefile or PlatformIO script: