Note: After saving, you have to bypass your browser's cache to see the changes. Internet Explorer: press Ctrl-F5, Mozilla: hold down Shift while clicking Reload (or press Ctrl-Shift-R), Opera/Konqueror: press F5, Safari: hold down Shift + Alt while clicking Reload, Chrome: hold down Shift while clicking Reload.
// CropTool code begins, see [[Commons:CropTool]] for details'use strict';vartitle=mw.config.get('wgTitle');if(mw.config.get('wgNamespaceNumber')===6&&mw.config.get('wgIsArticle')&&/(PNG|GIF|JPE?G|DJVU|PDF|TIF?F|WEBP)$/i.test(title)&&document.getElementById('file')){$(function(){try{title=newmw.Uri('https://croptool.toolforge.org/').extend({title:title,page:newmw.Uri().query.page,site:mw.config.get('wgDBname')!=='commonswiki'?mw.config.get('wgServer').replace(/^\/\//,''):undefined});}catch(e){return;}mw.util.addPortletLink('p-tb',title.toString(),'⌗ CropTool','t-crop','Crop this image');});}