HyperTerminal online - free web serial terminal (COM port) in your browser

Connection Description

Enter a name and choose an icon for the connection:

Name:

Icon:

COM Properties

Connect using:

Port Settings

Bits per second:

Data bits:

Parity:

Stop bits:

Flow control:

ASCII Setup

ASCII Sending

Send line ends with line feeds

Echo typed characters locally

ASCII Receiving

Append line feeds to incoming line ends

About HyperTerminal

☎ HyperTerminal online - a tribute to the long-lost Windows serial terminal, rebuilt on the Web Serial API.

All data stays between your browser and your serial port - nothing is uploaded.

Works in Chrome and Edge on desktop. Firefox and Safari do not support Web Serial yet.