Use pipes to transform strings, currency amounts, dates, and other data for display. Pipes are simple functions to use in template expressions to accept an input value and return a transformed value. Pipes are useful because you can use them throughout your application , some common pipes are
DatePipe
| UpperCasePipe
| LowerCasePipe
| CurrencyPipe
| DecimalPipe
| PercentPipe
Visit the following resources to learn more: