Works across Windows, macOS, and various Linux distributions.
Directly send commands like ZPL (Zebra), ESC/POS (Epson), and EPL to thermal printers for faster, high-precision label and receipt generation.
Better logic for finding newly connected USB devices compared to the legacy 1.9 branch. System Requirements qz tray 2.0.5 download
Compatible with Chrome 31+, Firefox 31+, and Edge 20+.
Requires Java 7 or higher (Java 8 is recommended for HTML printing). Memory: At least 512MB of free RAM. Works across Windows, macOS, and various Linux distributions
Version 2.0.5 belongs to the stable 2.0 lineage, which introduced several industry-standard improvements over older versions:
Supports digital signatures to prevent unauthorized web applications from accessing your local printers. System Requirements Compatible with Chrome 31+, Firefox 31+,
QZ Tray is a background service that allows web browsers (Chrome, Firefox, Safari, Edge) to communicate with USB, Serial, and Network printers. While browsers typically prevent direct hardware access for security reasons, QZ Tray uses a secure WebSocket connection to send print jobs without triggering the standard browser "Print" dialog.