This add-on is not affiliated with XenForo Ltd.
Quite simply, this add on adds a Preview button to the Quick Reply form.
Clicking the Preview button loads its content in an overlay.
The functionality of the main Reply form is unaffected.
Download the zip
Extract the contents
Upload the entire contents of the upload folder to the root of your installation
Install in the Admin CP using XML file.
Quick Reply Preview 1.4.4
Adds a preview button to your Quick Reply which loads in an overlay