Google Sheet add on

Installation

1. Go to https://gsuite.google.com/marketplace/app/snap_functions/556464546174 and click "Install".
2. In the "This app isn't verified" screen, click "Advanced" -> "Go to Snap functions (unsafe)", and click "Allow".

Uploading crosswords, grids, and images

1. In any Google Sheet, go to the "Add-ons" menu, and click "Snap functions" -> "Open sidebar".

2. Click "Upload crosswords, grids, and images".

3. Google add-ons cannot update their own width, so you'll need to set it automatically. Follow the instructions in the sidebar by pressing Ctrl+Shift+J and typing $('.script-application-sidebar').style.width = '700px' in the console.

   For convenience, I made a bookmark in my browser with name "Toggle sidebar" and the following URL: javascript:void(window.top.document.getElementsByClassName("script-application-sidebar")[0].style.width=window.top.document.getElementsByClassName("script-application-sidebar")[0].style.width==='300px'?%27700px%27:%27300px%27). Whenever I want to use this tool, I just click my bookmark to toggle the width.