# Snap viewport to next unsigned signature

**URL:** <https://pdfjs.community/t/snap-viewport-to-next-unsigned-signature/1293>\
**Category:** Technical Support\
**Created:** [January 12, 2022, 5:20pm UTC](https://pdfjs.community/t/snap-viewport-to-next-unsigned-signature/1293 "2022-01-12T17:20:22Z")\
**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:** [January 12, 2022, 5:20pm UTC](https://pdfjs.community/t/snap-viewport-to-next-unsigned-signature/1293/3 "2022-01-12T17:20:28Z")

</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:
- [Understand coordinates in PDF.js Express](https://pdfjs.express/documentation/viewer/coordinates.8)
- [Annotation permissions - Default behavior](https://pdfjs.express/documentation/annotation/annotation-permissions#default-behavior)
- [Signatures with PDF.js Express](https://pdfjs.express/documentation/signature/overview)

APIs:
- [Core.Document - getViewerCoordinates(pageNumber, x, y)](https://pdfjs.express/api/Core.Document.html#getViewerCoordinates__anchor)
- [PDF.js Express Utilities](https://pdfjs.express/api/utils/index.html#__anchor)
- [Core.DisplayMode - getPageTransform(pageNumber)](https://pdfjs.express/api/Core.DisplayMode.html#getPageTransform__anchor)

Forums:
- [Save PDF in ours servers](https://pdfjs.community/t/save-pdf-in-ours-servers/1154/1)
- [Is there an event for when signatures get placed onto a PDF?](https://pdfjs.community/t/is-there-an-event-for-when-signatures-get-placed-onto-a-pdf/1080/1)
- [Need to highlight annotation on mouse hover](https://pdfjs.community/t/need-to-highlight-annotation-on-mouse-hover/1177/1)

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