I was looking for good serial terminal which makes timestamps, creates logs etc. and I found very good ScriptComminucator!
Why? I try to explain you in this pictures article.

Main screen:
Appearance is easy and well-arranged. If you want to send asci character, you choose asci, but you can choose hex, bin, uint8, uint16, uint32, int8, int16, int32.

https://time4ee.com/articles.php?article_id=23