How to translate a set of characters into a human-readable form?

Question

Text Processing Automation

Greetings, %68%61%62%72%61%68%61%62%72%2E%72%75 is habr.ru what application (software) to find out?
And in the opposite direction habr for example, without the domain %68%61%62%72%61%68%61%62%72

Answer 1

https://www.artlebedev.ru/decoder/