# Can i use cropPages()?

**URL:** https://pdfjs.community/t/can-i-use-croppages/1634
**Category:** Technical Support
**Created:** [April 27, 2022, 5:39am UTC](https://pdfjs.community/t/can-i-use-croppages/1634 "2022-04-27T05:39:54Z")
**Posts on this page:** 1
**Showing post:** 3

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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: [April 27, 2022, 5:39am UTC](https://pdfjs.community/t/can-i-use-croppages/1634/3 "2022-04-27T05:39:59Z")

</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:
- [Integrating PDF.js Express Viewer into a new Blazor project - Prerequisites](https://pdfjs.express/documentation/get-started-viewer/blazor/new-project#prerequisites)
- [Integrating PDF.js Express Viewer into a Vue.js project - Prerequisites](https://pdfjs.express/documentation/get-started-viewer/vue#prerequisites)
- [Integrating PDF.js Express Viewer into an existing Blazor project - Prerequisites](https://pdfjs.express/documentation/get-started-viewer/blazor/exist-project#prerequisites)

APIs:
- [Core.DocumentViewer - recalculateLayout(pagesToRecalculate)](https://pdfjs.express/api/Core.DocumentViewer.html#recalculateLayout__anchor)
- [PDF.js Express Utilities](https://pdfjs.express/api/utils/index.html#__anchor)
- [ExpressUtils(optionsopt) - # async extract() → {Promise.}](https://pdfjs.express/api/utils/ExpressUtils.html#extract__anchor)

Forums:
- [What version of PDF.js Express we should use](https://pdfjs.community/t/what-version-of-pdf-js-express-we-should-use/1542/4)
- [Access to PDF.js viewer when your servers are unavailable](https://pdfjs.community/t/access-to-pdf-js-viewer-when-your-servers-are-unavailable/1260/1)
- [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)

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