About SerialTerminal.app

SerialTerminal.app provides you with a serial terminal to monitor and control your serial devices.

Focussed on makers and engineers, whether you're flashing firmware, debugging, or kust monitoring debug output, this tool gives you instant access from any browser.

If you're not on your usual computer or don't have your portable terminal at hand on a USB drive, just open a browser and type serialterminal.com.

Built with clarity and control in mind, it supports popular boards like ESP32, STM32, and RP2040, and includes presets for common bootloader rituals. No installs. No drivers. Just plug in and go.