Angular Pipes: A Complete Guide

Angular Pipes are a template-level mechanism for deriving and transforming values without verbose computed properties. The guide covers creating custom pipes with the @Pipe decorator and PipeTransform interface, passing multiple arguments, using Angular's built-in pipes (DatePipe, CurrencyPipe, JsonPipe, etc. from @angular/common), pure vs impure pipes and their performance implications, and injecting services into pipes via Angular's dependency injection system.