Checkbox angular material checked by default
You can either set with ngModel either with [checked] attribute. ngModel binded property should be set to ‘true’: 1. <mat-checkbox class = “example-margin” [(ngModel)] = “myModel”> <label>Printer </label> </mat-checkbox> 2. <mat-checkbox [checked]= “myModel” class = “example-margin” > <label>Printer </label> </mat-checkbox> 3. <mat-checkbox [ngModel]=”myModel” class=”example-margin”> <label>Printer </label> </mat-checkbox> DEMO