This was a breaking change that Google made and which stopped the add-on to work from June 7th. Use an image editing program to resize when possible to get the right size, rather than inserting an image and trying to resize in-program (ex: WordPress, Google Docs, etc.) Learn more about stretching images, resizing larger or smaller, and aspect ratios in the blog post: How to Resize an Image Correctly. added an additional authorization to allow the sidebar to open. added function to retrieve original image size. clarified that only in-line bitmap images are supported (eg. If you get the error "ScriptError: Authorization is required to perform that action." then maybe you are logged into your browser with multiple accounts and Google script doesn't like that. Now change the size to your liking, then select 'Apply' to make the change. Then select an image in your document and select "get size" in the sidebar. Use the menu Add-ons->SetImageSize->show sidebar to activate. (have been waiting forever so don't think this is going to happen.) Resize or rotate an image On your iPhone or iPad, open the Google Docs app or Google Slides app. I’m waiting for feedback by the Google API team to make it also work with ‘Wrap text’ and ‘Break text’.
It currently only works with ‘In line’ images.
This Add-on makes it possible to precisely control the width & height of images in Google docs.