# Cannot remove trial watermarks

**URL:** <https://pdfjs.community/t/cannot-remove-trial-watermarks/1976>\
**Category:** Technical Support\
**Created:** [August 23, 2022, 3:25pm UTC](https://pdfjs.community/t/cannot-remove-trial-watermarks/1976 "2022-08-23T15:25:14Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![system](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/ffbcd25c7d423db8d5acd5db201c272f4db306dd.png) [@system](https://pdfjs.community/u/system)\
**Post date:** [August 23, 2022, 3:25pm UTC](https://pdfjs.community/t/cannot-remove-trial-watermarks/1976/3 "2022-08-23T15:25:19Z")

</div>

**Hello, I’m Ron, an automated tech support bot 🤖**

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

Guides:
- [Adding your license key - PDF.js Express Plus License Keys](https://pdfjs.express/documentation/get-started/add-license-key#pdf.js-express-plus-license-keys-<span-class='plus'></span>)
- [PDF.js Express Viewer Overview - What is PDF.js Express Viewer?](https://pdfjs.express/documentation/get-started-viewer#what-is-pdf.js-express-viewer?)
- [Integrating PDF.js Express Viewer into an existing Blazor project - Prerequisites](https://pdfjs.express/documentation/get-started-viewer/blazor/exist-project#prerequisites)

APIs:
- [PDF.js Express Utilities](https://pdfjs.express/api/utils/index.html#__anchor)
- [ExpressUtils(optionsopt) - # async watermark(options) → {Promise.}](https://pdfjs.express/api/utils/ExpressUtils.html#watermark__anchor)
- [Core.Document - getDownloadLink( [options])](https://pdfjs.express/api/Core.Document.html#getDownloadLink__anchor)

Forums:
- [Can I remove pdfjs.express watermark from viewer?](https://pdfjs.community/t/can-i-remove-pdfjs-express-watermark-from-viewer/1073/4)
- [Can I remove watermark from PDF.js viewer (free version)?](https://pdfjs.community/t/can-i-remove-watermark-from-pdf-js-viewer-free-version/1166/1)
- [Pdfjs.express 8.2.1 error on a valid License Key](https://pdfjs.community/t/pdfjs-express-8-2-1-error-on-a-valid-license-key/1340/1)

  
  

Share how you are using PDF.js Express in your organization you could win a **$500 Amazon gift card. All participants will receive 6 months of PDF.js Express+ for free**. Learn more [here](https://utm.guru/ueQNw)

---

_[View the full topic](https://pdfjs.community/t/cannot-remove-trial-watermarks/1976)._