diff --git a/Adapter/AdapterInterface.php b/Adapter/AdapterInterface.php
index b461803..b71f4c8 100644
--- a/Adapter/AdapterInterface.php
+++ b/Adapter/AdapterInterface.php
@@ -84,6 +84,13 @@ public function savePng($file);
      */
     public function saveWebp($file, $quality);
 
+    /**
+     * Save the image as a AVIF.
+     *
+     * @return $this
+     */
+    public function saveAvif($file, $quality);
+
     /**
      * Save the image as a jpeg.
      *
diff --git a/Adapter/Common.php b/Adapter/Common.php
index d8be5f3..0328904 100644
--- a/Adapter/Common.php
+++ b/Adapter/Common.php
@@ -193,6 +193,8 @@ abstract protected function openPng($file);
 
     abstract protected function openWebp($file);
 
+    abstract protected function openAvif($file);
+
     /**
      * Creates an image.
      */
@@ -233,6 +235,10 @@ protected function loadFile($file, $type)
             $this->openWebp($file);
         }
 
+        if ($type == 'avif') {
+            $this->openAvif($file);
+        }
+
         if (false === $this->resource) {
             throw new \UnexpectedValueException('Unable to open file ('.$file.')');
         } else {
diff --git a/Adapter/GD.php b/Adapter/GD.php
index 34c301c..27bff40 100644
--- a/Adapter/GD.php
+++ b/Adapter/GD.php
@@ -5,13 +5,20 @@
 use Gregwar\Image\Image;
 use Gregwar\Image\ImageColor;
 
+// Add IMG_AVIF constant for PHP versions below 8.1
+defined('IMG_AVIF') or define('IMG_AVIF', 256);
+
 class GD extends Common
 {
+    /**
+     * GD image types supported by this adapter.
+     */
     public static $gdTypes = array(
         'jpeg'  => \IMG_JPG,
         'gif'   => \IMG_GIF,
         'png'   => \IMG_PNG,
-        'webp'  => \IMG_WEBP
+        'webp'  => \IMG_WEBP,
+        'avif'  => \IMG_AVIF
     );
 
     protected function loadResource($resource)
@@ -594,6 +601,16 @@ public function saveWebp($file, $quality)
         return $this;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function saveAvif($file, $quality)
+    {
+        imageavif($this->resource, $file, $quality);
+
+        return $this;
+    }
+
     /**
      * {@inheritdoc}
      */
@@ -652,8 +669,21 @@ protected function openWebp($file)
         }
     }
 
+    /**
+     * Try to open the file using AVIF.
+     */
+    protected function openAvif($file)
+    {
+        if (file_exists($file) && filesize($file)) {
+            $this->resource = @imagecreatefromavif($file);
+        } else {
+            $this->resource = false;
+        }
+    }
+
     /**
      * Does this adapter supports type ?
+     * Returns true if checked type is supported by the PHP/GD build and this adapter.
      */
     protected function supports($type)
     {
diff --git a/Image.php b/Image.php
index c3e2530..e1d49e3 100644
--- a/Image.php
+++ b/Image.php
@@ -14,6 +14,8 @@
  * @method Image saveGif($file)
  * @method Image savePng($file)
  * @method Image saveJpeg($file, $quality)
+ * @method Image saveWebP($file, $quality)
+ * @method Image saveAvif($file, $quality)
  * @method Image resize($width = null, $height = null, $background = 'transparent', $force = false, $rescale = false, $crop = false)
  * @method Image forceResize($width = null, $height = null, $background = 'transparent')
  * @method Image scaleResize($width = null, $height = null, $background = 'transparent', $crop = false)
@@ -94,6 +96,7 @@ class Image
         'jpg'   => 'jpeg',
         'jpeg'  => 'jpeg',
         'webp'  => 'webp',
+        'avif'  => 'avif',
         'png'   => 'png',
         'gif'   => 'gif',
     );
@@ -580,6 +583,14 @@ public function webp($quality = 80)
         return $this->cacheFile('webp', $quality);
     }
 
+    /**
+     * Generates and output a webp cached file.
+     */
+    public function avif($quality = 80)
+    {
+        return $this->cacheFile('avif', $quality);
+    }
+
     /**
      * Generates and output an image using the same type as input.
      */
@@ -687,6 +698,10 @@ public function save($file, $type = 'guess', $quality = 80)
                 $success = $this->getAdapter()->saveWebP($file, $quality);
             }
 
+            if ($type == 'avif') {
+                $success = $this->getAdapter()->saveAvif($file, $quality);
+            }
+
             if (!$success) {
                 return false;
             }
diff --git a/README.md b/README.md
index 385b726..6aa9e2a 100644
--- a/README.md
+++ b/README.md
@@ -148,11 +148,15 @@ array. This operation array, the name, type and modification time of file are ha
 
 Once the cache directory configured, you can call the following methods:
 
-* `jpeg($quality = 80)`: lookup or create a jpeg cache file on-the-fly
+* `jpeg($quality = 80)`: lookup or create a JPEG cache file on-the-fly
 
-* `gif()`: lookup or create a gif cache file on-the-fly
+* `webp($quality = 80)`: lookup or create a WebP cache file on-the-fly
 
-* `png()`: lookup or create a png cache file on-the-fly
+* `avif($quality = 80)`: lookup or create a AVIF cache file on-the-fly (**PHP 8.1 or greater required**)
+
+* `gif()`: lookup or create a GIF cache file on-the-fly
+
+* `png()`: lookup or create a PNG cache file on-the-fly
 
 * `guess($quality = 80)`: guesses the type (use the same as input) and lookup or create a
   cache file on-the-fly
diff --git a/Source/File.php b/Source/File.php
index ceed26b..918c16b 100644
--- a/Source/File.php
+++ b/Source/File.php
@@ -47,6 +47,10 @@ public function guessType()
                 if ($type == IMAGETYPE_WEBP) {
                     return 'webp';
                 }
+
+                if (defined('IMAGETYPE_AVIF') && $type == IMAGETYPE_AVIF) {
+                    return 'avif';
+                }
             }
         }