<dependency> <groupId>se.mig</groupId> <artifactId>migbase64</artifactId> <version>2.2</version> </dependency> File imageFile = new File("path/to/image.jpg"); byte[] imageBytes = Files.readAllBytes(imageFile.toPath()); String base64EncodedImage = Base64.encodeToString(imageBytes); byte[] decodedBytes = Base64.decode(base64EncodedImage); Files.write(Paths.get("path/to/decodedImage.jpg"), decodedBytes); Image image = ImageIO.read(imageFile); BufferedImage resizedImage = Scalr.resize(image, 200); BufferedImage croppedImage = Scalr.crop(image, 100, 100, 200, 200); BufferedImage rotatedImage = Scalr.rotate(image, Scalr.Rotation.CW_90);