Kraken.io's image optimization API provides advanced optimization for your JPEG, PNG, GIF and SVG images. Established in 2012, Kraken.io is an industry-leading image optimizer like no other capable of significantly reducing the file size of popular image formats using tried-and-tested optimization techniques developed with a single goal in mind: To reduce their file size by as much as possible while retaining the image quality.
Kraken.io's API includes image resizing, in addition to its core optimization functionality, for those who need to resize their images prior to optimization.
Kraken.io is trusted by thousands of customers worldwide, from individuals to small/medium sized businesses and even Fortune 500 companies.
In nutshell, faster loading sites are viewed more favourably than slower loading sites by both users and search engines. Getting your site to load faster can go a long way to improving your business's bottom line. For more information, visit our Support Center.
Got a question? Need some help? Get in touch with Kraken.io support, which is easily visible when logged in to Kraken.io.
For our complete list of API functionality, integration modules, third party plugins, and more, please visit our official documentation website.
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- Java 6+
<dependency>
<groupId>io.kraken.client</groupId>
<artifactId>client</artifactId>
<version>1.0.0</version>
</dependency>| Name | Description |
|---|---|
| DirectFileUploadRequest | Upload based on a File |
| DirectUploadRequest | Upload based on a InputStream |
| ImageUrlUploadRequest | Image url request |
| DirectFileUploadCallbackUrlRequest | Upload based on a File with callback url |
| DirectUploadCallbackUrlRequest | Upload based on a InputStream with a callback url |
| ImageUrlUploadCallbackUrlRequest | Image url request with callback url |
| Name | Description |
|---|---|
| AutoResize | The best strategy (portrait or landscape) will be selected for a given image according to its aspect ratio |
| CropResize | This option will crop your images to the exact size you specify with no distortion |
| ExactResize | Resize to exact width and height. Aspect ratio will not be maintained |
| FillResize | This strategy allows you to resize the image to fit the specified bounds while preserving the aspect ratio (just like auto strategy). The optional background property allows you to specify a color which will be used to fill the unused portions of the previously specified bounds |
| FitResize | This option will crop and resize your images to fit the desired width and height |
| LandscapeResize | Exact width will be set, height will be adjusted according to aspect ratio |
| PortraitResize | Exact height will be set, width will be adjusted according to aspect ratio |
| SquareResize | This strategy will first crop the image by its shorter dimension to make it a square, then resize it to the specified size |
final KrakenIoClient krakenIoClient = new DefaultKrakenIoClient("somekey", "somesecret");
// InputStream direct file upload
final FillResize fillResize = new FillResize(150, 150, new RGBA(100, 100, 100, BigDecimal.ONE));
final DirectUploadRequest directUploadRequest = DirectUploadRequest.builder(
new ByteArrayInputStream(loadFileBinary("test.jpg"))
)
.withResize(fillResize)
.build();
try {
final SuccessfulUploadResponse successfulUploadResponse = krakenIoClient.directUpload(directUploadRequest);
} catch(KrakenIoRequestException e) {
final FailedUploadResponse failedUploadResponse = e.getFailedUploadResponse();
}
// File based direct file upload
final File image = new File("path/to/file.jpg");
final FillResize fillResize = new FillResize(150, 150, new RGBA(100, 100, 100, BigDecimal.ONE));
final DirectFileUploadRequest directFileUploadRequest = DirectFileUploadRequest.builder(image)
.withResize(fillResize)
.build();
try {
final SuccessfulUploadResponse successfulUploadResponse = krakenIoClient.directUpload(directFileUploadRequest);
} catch(KrakenIoRequestException e) {
final FailedUploadResponse failedUploadResponse = e.getFailedUploadResponse();
}
// InputStream direct upload with callback url
final FillResize fillResize = new FillResize(150, 150, new RGBA(100, 100, 100, BigDecimal.ONE));
final DirectUploadCallbackUrlRequest directUploadCallbackUrlRequest = DirectUploadCallbackUrlRequest.builder(
new ByteArrayInputStream(loadFileBinary("test.jpg")),
new URL("http://somehost/somecallback")
)
.withResize(fillResize)
.build();
try {
final SuccessfulUploadCallbackUrlResponse successfulUploadCallbackUrlResponse = krakenIoClient.directUpload(directUploadCallbackUrlRequest);
} catch(KrakenIoRequestException e) {
final FailedUploadResponse failedUploadResponse = e.getFailedUploadResponse();
}
// File based direct upload with callback url
final File image = new File("path/to/file.jpg");
final FillResize fillResize = new FillResize(150, 150, new RGBA(100, 100, 100, BigDecimal.ONE));
final DirectFileUploadCallbackUrlRequest directFileUploadCallbackUrlRequest = DirectFileUploadCallbackUrlRequest.builder(
image,
new URL("http://somehost/somecallback")
)
.withResize(fillResize)
.build();
try {
final SuccessfulUploadCallbackUrlResponse successfulUploadCallbackUrlResponse = krakenIoClient.directUpload(directFileUploadCallbackUrlRequest);
} catch(KrakenIoRequestException e) {
final FailedUploadResponse failedUploadResponse = e.getFailedUploadResponse();
} // Image url request
final FillResize fillResize = new FillResize(150, 150, new RGBA(100, 100, 100, BigDecimal.ONE));
final ImageUrlUploadRequest imageUrlUploadRequest = ImageUrlUploadRequest.builder(
new URL("http://somehost/image")
)
.withResize(fillResize)
.build();
try {
final SuccessfulUploadResponse successfulUploadResponse = krakenIoClient.imageUrlUpload(imageUrlUploadRequest);
} catch(KrakenIoRequestException e) {
final FailedUploadResponse failedUploadResponse = e.getFailedUploadResponse();
}
// Image url with callback url request
final FillResize fillResize = new FillResize(150, 150, new RGBA(100, 100, 100, BigDecimal.ONE));
final ImageUrlUploadCallbackUrlRequest imageUrlUploadCallbackUrlRequest = ImageUrlUploadCallbackUrlRequest
.builder(new URL("http://somehost/image"), new URL("http://somehost/somecallback"))
.withResize(fillResize)
.build();
try {
final SuccessfulUploadCallbackUrlResponse successfulUploadCallbackUrlResponse = krakenIoClient.imageUrlUpload(imageUrlUploadCallbackUrlRequest);
} catch(KrakenIoRequestException e) {
final FailedUploadResponse failedUploadResponse = e.getFailedUploadResponse();
} final FillResize fillResize = new FillResize(150, 150, new RGBA(100, 100, 100, BigDecimal.ONE));
final DirectUploadRequest directUploadRequest = DirectUploadRequest.builder(
new ByteArrayInputStream(loadFileBinary("test.jpg"))
)
.withDev(true) // Sandbox mode
.build();
try {
final SuccessfulUploadResponse successfulUploadResponse = krakenIoClient.directUpload(directUploadRequest);
} catch(KrakenIoRequestException e) {
final FailedUploadResponse failedUploadResponse = e.getFailedUploadResponse();
}Any contributions are highly appreciated. The best way to contribute code is to open a pull request on GitHub.
Apache License, Version 2.0