ZPL printer / JS provider

SUMMARY

Allow to print any raw data from JavaScript at any opened page directly to any .ZPL printer like Zebra


Usage:
Print barcode 1234567

window.postMessage(
{
type: "zpl",
cmd: "print",
printer: 'http://127.0.0.1:9100',
raw: "^XA^FO50,50^B8N,100,Y,N^FD1234567^FS^XZ"
});

Listen extension:

window.addEventListener("message", function (event){
if (event.data && event.data.type && event.data.type == 'from_zpl_ext') {
// receive version of extension if exists
if (event.data.cmd === 'version') {
ZPL_EXTENSION_VERSION = event.data.value;
return;
}
// receive status of printing
if (event.data.cmd === 'status') {
console.log(event.data)
return;
}
}
}, false);

The latest version of ZPL printer / JS provider is available on the Chrome web and is currently being used by 273 active users. The initial version was launched on 2022-08-05.

HOW TO INSTALL ZPL printer / JS provider FROM A CRX FILE

1. Download ZPL printer / JS provider CRX file
2. NOTE: Sometimes the browser may block downloading / installing CRX file from outside the Chrome Web Store. If so, you may need to download the ZIP file instead
3. In the URL bar, go to chrome://extensions
4. Enable Developer mode

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