Too bad I didn’t find it sooner. But, I’m using it now, and for some of the cactus and succulent photos, a 200% enlargement really increases the detail and color. So, if you have old, little photos, this is the tool for you. It’s at https://www.photoenlarger.com/ and it’s by Zygomatic. It’s free, and it takes about 5-10 seconds to convert a small photo into a big one. Four quality versions are
Triumphantly, I have just rescued quite a lot of photos from The Amateur’s Digest that are scattered in the Wayback Machine. Marina’s original web pages are a standard menu to which articles and pictures of plants were added over time. When the Wayback Machine takes a snapshot of a web site, it usually doesn’t copy the whole thing. So, in order to find missing photos in The Amateurs’ Digest site,
I just had a wonderful gift by email from someone who knew Marina in the year or so before she died. Marina didn’t like having her picture taken, but she allowed this one so long as her face was not in the viewfinder.