Only HTTP/0.9 HTTP/1.0 and HTTP/1.1 are probably text in the sense you mean
HTTP/2 and HTTP/3 are binary formats, they are semantically very similar to the older formats in some sense, but you would benefit from more tools to examine them properly because human readability was not the priority.
HTTP/2 and HTTP/3 are binary formats, they are semantically very similar to the older formats in some sense, but you would benefit from more tools to examine them properly because human readability was not the priority.