Embedded Tools
Flash an STM32 or ESP32, then put it on a network.
STM32 DFU Tool
Write a .dfu image to a Melexis IO board over WebUSB
ESP32 ESP Tool
Write a merged image to an ESP32 over its own USB
WiFi
Put an ESP32 board on a network and keep it there
Terminal
Talk to a board over Web Serial or Bluetooth
Hex Viewer
Look inside a .hex or .bin image before writing it
A board written here keeps nothing of what it had: an image carries its own bootloader and partition table. Bring the image as a file; nothing is fetched from anywhere.