IgorMi, you can use http://extras.sqlservercentral.com/prettifier/prettifier.aspx.
I tend not to. If I'm about to spend a few minutes reading and understanding a chunk of code, reformatting it easily becomes part of the process.
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden