# Toolbar not showing up

**URL:** <https://pdfjs.community/t/toolbar-not-showing-up/1677>\
**Category:** Technical Support\
**Created:** [May 13, 2022, 10:23pm UTC](https://pdfjs.community/t/toolbar-not-showing-up/1677 "2022-05-13T22:23:04Z")\
**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:** [May 13, 2022, 10:23pm UTC](https://pdfjs.community/t/toolbar-not-showing-up/1677/3 "2022-05-13T22:23:09Z")

</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 - Convert between mouse locations and window coordinates](https://pdfjs.express/documentation/viewer/coordinates.8#convert-between-mouse-locations-and-window-coordinates)
- [PDF.js Express Documentation - Customizing the UI](https://pdfjs.express/documentation#customizing-the-ui)
- [Customize toolbar in viewer - Header items - ToolButton](https://pdfjs.express/documentation/ui-customization/customizing-header.8#toolbutton)

APIs:
- [Core.Annotations.CustomAnnotation - new CustomAnnotation(type [, initializer])](https://pdfjs.express/api/Core.Annotations.CustomAnnotation.html#CustomAnnotation__anchor)
- [Core.Annotations.FreeHandAnnotation - new FreeHandAnnotation( [initializer])](https://pdfjs.express/api/Core.Annotations.FreeHandAnnotation.html#FreeHandAnnotation__anchor)
- [Core.Annotations.ArcAnnotation - new ArcAnnotation( [initializer])](https://pdfjs.express/api/Core.Annotations.ArcAnnotation.html#ArcAnnotation__anchor)

Forums:
- [PDF not showing up and being replaced with Loading Modal](https://pdfjs.community/t/pdf-not-showing-up-and-being-replaced-with-loading-modal/1676/1)
- [Cannot lock pdf](https://pdfjs.community/t/cannot-lock-pdf/740/1)
- [Remove Page Tool not working](https://pdfjs.community/t/remove-page-tool-not-working/219/3)

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