"Machts nichts" is a German expression often used to express that something doesn't matter or there's no need to worry about it. Synonyms for "machts nichts" include "no big deal," "it's alright," "don't sweat it," and "never mind." These phrases are frequently used to dismiss a mistake or an issue that's not worth worrying about. Another synonym could be "no harm no foul," which is commonly used when something went wrong, but no real damage was done. Whatever the situation, using one of these synonyms can help alleviate any tension or stress, and allow individuals to focus on more important things.