# Can i integrate pdf.js express to my java project using cdn js and how can i get a free trial key?

**URL:** <https://pdfjs.community/t/can-i-integrate-pdf-js-express-to-my-java-project-using-cdn-js-and-how-can-i-get-a-free-trial-key/754>\
**Category:** Technical Support\
**Tags:** pdfjs-express\
**Created:** [May 6, 2021, 12:45pm UTC](https://pdfjs.community/t/can-i-integrate-pdf-js-express-to-my-java-project-using-cdn-js-and-how-can-i-get-a-free-trial-key/754 "2021-05-06T12:45:16Z")\
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**Author:** ![system](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/ffbcd25c7d423db8d5acd5db201c272f4db306dd.png) [@system](https://pdfjs.community/u/system)\
**Post date:** [May 6, 2021, 12:45pm UTC](https://pdfjs.community/t/can-i-integrate-pdf-js-express-to-my-java-project-using-cdn-js-and-how-can-i-get-a-free-trial-key/754/2 "2021-05-06T12:45:21Z")

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**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:
- [Integrating Cordova with PDF.js Express](https://pdfjs.express/documentation/get-started/cordova)
- [Integrating new Blazor project with PDF.js Express](https://pdfjs.express/documentation/get-started/blazor/new-project)
- [Integrating Electron with PDF.js Express](https://pdfjs.express/documentation/get-started/electron)

APIs:
- [PDF.js Express Utilities](https://pdfjs.express/api/utils/index.html#__anchor)
- [CoreControls.DocumentViewer - setInternalAnnotationsTransform(handler)](https://pdfjs.express/api/CoreControls.DocumentViewer.html#setInternalAnnotationsTransform__anchor)
- [ExpressUtils(optionsopt) - # async set() → {Promise.}](https://pdfjs.express/api/utils/ExpressUtils.html#set__anchor)

Forums:
- [Deploy viewer to staging server](https://pdfjs.community/t/deploy-viewer-to-staging-server/58/4)
- [Watermark doesn’t get removed after putting license key](https://pdfjs.community/t/watermark-doesnt-get-removed-after-putting-license-key/193/2)
- [I’m need protection print and save PDF file on web](https://pdfjs.community/t/im-need-protection-print-and-save-pdf-file-on-web/60/2)

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