# Can not unSetToolMode

**URL:** <https://pdfjs.community/t/can-not-unsettoolmode/959>\
**Category:** Technical Support\
**Created:** [August 18, 2021, 7:17pm UTC](https://pdfjs.community/t/can-not-unsettoolmode/959 "2021-08-18T19:17:49Z")\
**Posts on this page:** 1\
**Showing post:** 2

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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:** [August 18, 2021, 7:17pm UTC](https://pdfjs.community/t/can-not-unsettoolmode/959/2 "2021-08-18T19:17:59Z")

</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:
- [Annotation permissions - Readonly mode](https://pdfjs.express/documentation/annotation/annotation-permissions#readonly-mode)
- [Hiding/Showing DOM elements in WebViewer UI - Opening/closing elements programmatically](https://pdfjs.express/documentation/ui-customization/hiding-elements#opening/closing-elements-programmatically)
- [Basic searching - Advanced searching](https://pdfjs.express/documentation/search/basic-search.8#advanced-searching)

APIs:
- [Core.DocumentViewer - setToolMode(tool)](https://pdfjs.express/api/Core.DocumentViewer.html#setToolMode__anchor)
- [UI - setToolMode(toolName)](https://pdfjs.express/api/UI.html#.setToolMode__anchor)
- [WebViewerInstance - setToolMode(toolName)](https://pdfjs.express/api/7.0/WebViewerInstance.html#setToolMode__anchor)

Forums:
- [How can we rotate pdf right/left from our custom buttons](https://pdfjs.community/t/how-can-we-rotate-pdf-right-left-from-our-custom-buttons/65/1)
- [How to apply Rubber stamp annotation without explicitly selecting stamp. (SOS)](https://pdfjs.community/t/how-to-apply-rubber-stamp-annotation-without-explicitly-selecting-stamp-sos/198/1)
- [Left Panel on right Side](https://pdfjs.community/t/left-panel-on-right-side/135/1)

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