SerialTool for Mac

Note: Although Finder indicates no version number for this application, the developer refers to it as version 3.0.0.

SerialTool, on the occasion of its third anniversary, has decided to completely renew its graphical interface with a modern touch, adding new features and improving existing ones. This update is particularly important and significant due to the overall performance boost of SerialTool.

Major Enhancements:

New GUI

Replaced the old GUI (Graphical User Interface) of the main window with a new, more intuitive Ribbon Bar, allowing smoother, faster, and more complete navigation, also suitable for lower-resolution screens.

New Terminal Window

Fully rewritten the terminal, providing smoother scrolling and preventing slowdowns of the serial port even with long packets or logs. The new terminal introduces the following features:

• Line numbers displayable on the left side.
• Ability to export terminal content directly in ASCII or Hexadecimal format — either the visible screen or the entire terminal buffer.
• In ASCII Plain view mode, it’s now possible to visualize special control characters (e.g., ESC = ␛ , Line Feed = ␊) using their corresponding symbols.
• Set the maximum number of displayed lines.
• Improved keyboard input handling in the text box, especially in case of focus loss.

Status Bar

Serial data traffic is now shown in the status bar at the bottom of the application window.

Status Bar Icons

New status bar icons on the right now indicate the state of Alarms, AutoAnswer, Serial To Network and Data Recording to File features. Popup icons also appear in case of transmission or reception errors.

Quick Actions

The title bar now includes Quick Actions on the right to instantly switch between Terminal and Hexadecimal mode. The "Search" icon has also been relocated into these Quick Actions.

.pcap Data Export

Added the ability to export packets from the Session Packet view and COM Sniffer in .pcap format, allowing for analysis with Wireshark dissectors. This makes it possible, for example, to sniff Modbus packets and have them interpreted directly by Wireshark.

Minor Enhancements:

Removed some rarely used styles (themes) and optimized the remaining ones. Added a warning in Linux when high serial traffic is detected. Added the ability to recenter the application on the screen from the Configuration menu. If COM Sniffer is active, terminal view mode is temporarily disabled.

Bug Fixes:

General visual improvements have been made to the user interface to ensure better compatibility with low-resolution monitors and to enhance the overall user experience.