Save the below link. Paste word or image or both to converter, convert to html then copy and paste to your post.
It’s simple and has worked for me for several years.
Thanks for posting that link; learn something new everyday!
Generally, I’ve been posting to my FB page, then clicking on the pic to open it larger; then from there, right clicking & >opening in new tab<; then (puff, pant, wheeze!) copying that URL to post here.