@thermal-label/brother-qlBrother QL label printing without the bloat

No vendor software. No proprietary drivers. Just USB, TypeScript, and a clean API — from Node.js, the CLI, or the browser.

Node.js (USB + TCP)

Direct USB bulk-transfer printing via libusb, or raw TCP for network-connected QL printers. Supports all QL models from QL-500 to QL-1115NWB.

Node.js guide

Print directly from Chrome or Edge without any native drivers or installs. Works in any secure context.

Web guide

One-line label printing from the terminal. Global install, no configuration required. USB and TCP supported.

CLI guide

Full black + red label support for QL-800, QL-810W, and QL-820NWB with DK-22251 labels.

Hardware guide

Complete raster command documentation, USB endpoint topology, status byte layout, and a porting checklist.

Protocol guide

Type a label, see a live 1bpp bitmap preview. Connect a Brother QL via WebUSB to print it instantly.

Open demo

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