⚠️ Works in Chrome or Edge desktop only (Web Serial API is not supported in Firefox/Safari or on mobile).
WebFlash
Flash and monitor ESP32/Arduino boards — no installs, no drivers
9600
115200
460800
921600
Connect
Disconnect
Serial Monitor
Clear
Download .txt
Send
Flash Firmware (.bin)
Drag & Drop a .bin file here or
No file selected
Flash to ESP32