Serial Terminal

macOS Serial Port Debugging Tool for IoT & Embedded Engineers

Connect USB-to-Serial/UART devices effortlessly, send and receive data reliably, and troubleshoot protocol issues quickly.

macOS 14.6+ | Apple Silicon Native

Features

Everything you need for serial port debugging, in one elegant app.

Configure port, baud rate, data bits, parity, and stop bits with one click.

Text/HEX dual view with encoding support and line endings (LF/CRLF).

Timestamps, auto-scroll, search/filter, one-click copy and clear.

Built-in MCP server with SSE protocol support for AI integration.

Export and save TX/RX data locally for review and sharing.

Quick send, timed/loop send, and file transfer with progress tracking.

Supports all USB serial ports and RS232/RS485 adapters.

Clean, intuitive design built for productivity.

Real-time Text/HEX dual view with multi-port simultaneous connections.

Transfer firmware and binary files with real-time progress tracking.

Save frequently used commands as templates with tags for quick access.

Set up automated responses and heartbeat pings for unattended testing.

Run the built-in MCP server for SSE-based AI integrations.