SerialTerminal.app
The modern serial terminal for engineers and makers.
The essential tool for engineers and makers alike. Debug, monitor, and connect with any serial device through a fast and reliable terminal, right in your browser. No installation required.
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In an age of wireless everything and high-speed USB connections, the idea of a "serial terminal" might sound like a relic from the past. But this fundamental tool is more relevant than ever and is used every day by hobbyists, IT professionals, and engineers.

When you open a serial terminal on your computer, you're using a modern version of a technology with roots stretching back over a century. The simple text-based interface you see is the direct descendant of clunky, room-sized machines and the dawn of interactive computing.

When it comes to serial terminals, there is no single "best" tool for everyone. The right choice depends on your operating system, your technical needs, and your workflow.