Free Ambigram Generator [top] Here

Ambigrams are the ultimate fusion of art and geometry. These unique typographical designs can be read from multiple orientations—usually when flipped upside down. While they used to require hours of sketching and a deep understanding of letterforms, today’s technology allows anyone to create them instantly.

While not a "generator" in the click-button sense, sites like Font Meme allow you to type text and see it rendered in specific fonts. If you search for "Ambigram fonts," you can often find free typefaces where the characters are mapped to their rotational counterparts. Free Ambigram Generator

If you are looking for actual tools rather than research, these are established options: Ambigrams are the ultimate fusion of art and geometry