PHP library for the lossless image compression API
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PHP Library for the Optimus API

Lossless image compression API

More details about Optimus are available on

Please let us know if you got questions or feedback: Optimus Support


  • PHP 5.3 or above
  • PHP Curl Extension



require '/path/to/src/optimus.php';

// create object and pass API license key
$optimus = new Optimus('<your_license_key>');

// optimize image
$result = $optimus->optimize('/path/to/image.jpg');

// save optimized image
file_put_contents('/path/to/image.jpg', $result);



Convert to WebP image format

// optimize image and convert to webp
$result = $optimus->optimize('/path/to/image.jpg', 'webp');

// save optimized image with webp extension
file_put_contents('/path/to/image.webp', $result);