You can use any one way
NSString *string=[NSString stringWithFormat:@"%@",url1];
or
NSString *str=[url1 absoluteString];
NSLog(@"string :: %@",string);
string :: file:///var/containers/Bundle/Application/E2D7570B-D5A6-45A0-8EAAA1F7476071FE/RemoDuplicateMedia.app/loading_circle_animation.gif
NSLog(@"str :: %@", str);
str :: file:///var/containers/Bundle/Application/E2D7570B-D5A6-45A0-8EAA-A1F7476071FE/RemoDuplicateMedia.app/loading_circle_animation.gif