is there a site like https://float.exposed for utf-8? Like where you paste in a UTF-8 string and see how it's broken up into Unicode code points?
Float Exposed

Floating point format explorer – binary representations of common floating point formats.

@b0rk not a website, but I can recommend this CLI tool

https://github.com/lunasorcery/utf8info

GitHub - lunasorcery/utf8info: Reads UTF-8 on stdin and prints out the raw Unicode codepoints. Useful for seeing exactly what a string consists of.

Reads UTF-8 on stdin and prints out the raw Unicode codepoints. Useful for seeing exactly what a string consists of. - GitHub - lunasorcery/utf8info: Reads UTF-8 on stdin and prints out the raw Uni...

GitHub