QZ Tray review
A developer-focused bridge between web apps and local, thermal, and receipt printers.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
QZ Tray is desktop software and a JavaScript API for connecting web applications with local printers and other hardware. It is aimed at developers and organizations building point-of-sale, shipping, warehouse, receipt, barcode, and label-printing workflows. The product supports Windows, macOS, Linux, iOS, Android, and API-based deployments, with dedicated print-server deployment for clients such as mobile devices. Its focus is browser-to-printer communication rather than administration of a broad print environment.
Printing support is a major strength. QZ Tray handles PDFs, PNGs, HTML, images, thermal labels, barcodes, and receipts, along with raw printer languages including ZPL, EPL, ESC/POS, and SBPL. It can communicate through USB, serial, HID, socket, file, and network connections, while printer discovery and status communication help web applications interact with connected devices. Digitally signed silent printing is available through the paid Premium Support tier, while the free QZ Tray plan provides printing with warning dialogs and community support.
The published plans show a free download and use option, Premium Support at $749 per year, and Company Branded + Premium Support at $3,499 per year. Premium Support adds a trusted key pair, silent printing, software updates, critical bug-fix support, 48-hour developer email support, and phone support by appointment. The branded tier adds a branded build and custom build portal. QZ Tray suits teams that need technical control over browser-based printing and hardware connectivity; organizations seeking verified quotas, print policies, or reporting should choose a dedicated print-management suite instead.
QZ Tray pros and cons
- Where it wins
- Supports ZPL, EPL, ESC/POS, SBPL, PDFs, images, HTML, and more
- Connects web apps with USB, serial, HID, socket, file, and network devices
- Offers a free plan, open-source software, APIs, and print-server deployment
- Where it doesn't
- Paid support is billed annually, starting at $749 per year
- Free printing includes warning dialogs rather than silent printing
- It focuses on printer integration, not quotas, policies, or reporting
QZ Tray fact sheet, pricing and score →
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