The tools are only required for developing new fonts, icons, etc. and are not necessary for normal use
KellyC 1-bit Icon Editor - A tool for editing and converting icons to the bin 1-bit format compatible with the firmware. The size limit for the source image is 128x128
KellyC Font Converter - A tool for editing and converting fonts (ttf, woff, woff2, ...) to a format compatible with the firmware and libraries used
Offline version of tools - Download