Add import

import 'package:compress_images_flutter/compress_images_flutter.dart';

Create instance of Lib

final CompressImagesFlutter compressImagesFlutter = CompressImagesFlutter();

Call with a path your image, the quality parameter if not informed the default will be 70

File? compressedPhoto = await compressImagesFlutter
                          .compressImage(photo!.path, quality: 30);