I have free license key (pdf express viewer), but still showing watermark

Please fill out the following template as best you can. .

Which product are you using?
PDF.js Express Viewer

PDF.js Express Version

UI version’8.3.2’Core version’8.3.0’Build’My8xNi8yMDIyfDM4YzVkNDMxYQ=='WebViewer ServerfalseFull APIfalse

  1. Build : “My8xNi8yMDIyfDM4YzVkNDMxYQ==”

  2. Core version : “8.3.0”

  3. Full API : false

  4. UI version : “8.3.2”

  5. WebViewer Server : false

Detailed description of issue
{We are converting content to PDF design and using pdf express viewer with free license key, but still watermark is showing}

Expected behaviour
{Watemark should not be displayed}

Does your issue happen with every document, or just one?

Link to document
{Not possible but please see screenshot: Screenshot by Lightshot}

Code snippet
useEffect(() => {
if (viewerUrl) {
initialDoc: viewerUrl,
licenseKey: ‘HFDPE8hSA29DWNektuPB’,
path: process.env.REACT_APP_API_URL + “/pdfviewer”,
).then(async (instance) => {
const { docViewer } = instance;
}, [viewer, viewerUrl]);}

Hello, I’m Ron, an automated tech support bot :robot:

While you wait for one of our customer support representatives to get back to you, please check out some of these documentation pages:


Hi there,

What domain are you loading Express on? It will always show a watermark on localhost - the watermark is only removed in production.


Hello @Logan We are using it on Live (production domain)

Hi there,

Please make sure you are using @pdftron/pdfjs-express-viewer and not @pdftron/pdfjs-express