diff --git a/src/wp-admin/edit-form-blocks.php b/src/wp-admin/edit-form-blocks.php
index 2237fc69ce293..55fd4e88abc4b 100644
--- a/src/wp-admin/edit-form-blocks.php
+++ b/src/wp-admin/edit-form-blocks.php
@@ -98,6 +98,7 @@ static function ( $classes ) {
 			'jpeg_interlaced',
 			'png_interlaced',
 			'gif_interlaced',
+			'client_side_supported_mime_types',
 			'name',
 			'site_icon',
 			'site_icon_url',
diff --git a/src/wp-admin/site-editor.php b/src/wp-admin/site-editor.php
index 9a8268c3392d7..657b3ce57495a 100644
--- a/src/wp-admin/site-editor.php
+++ b/src/wp-admin/site-editor.php
@@ -224,6 +224,7 @@ static function ( $classes ) {
 			'jpeg_interlaced',
 			'png_interlaced',
 			'gif_interlaced',
+			'client_side_supported_mime_types',
 			'name',
 			'site_icon',
 			'site_icon_url',
diff --git a/src/wp-includes/rest-api/class-wp-rest-server.php b/src/wp-includes/rest-api/class-wp-rest-server.php
index 704a990298826..b1f80df89ebbe 100644
--- a/src/wp-includes/rest-api/class-wp-rest-server.php
+++ b/src/wp-includes/rest-api/class-wp-rest-server.php
@@ -1394,6 +1394,21 @@ public function get_index( $request ) {
 			$available['png_interlaced'] = (bool) apply_filters( 'image_save_progressive', false, 'image/png' );
 			/** This filter is documented in wp-includes/class-wp-image-editor-gd.php */
 			$available['gif_interlaced'] = (bool) apply_filters( 'image_save_progressive', false, 'image/gif' );
+
+			/**
+			 * Filters the MIME types supported by client-side media processing.
+			 *
+			 * Allows plugins to add or remove MIME types from the list of formats
+			 * that can be processed client-side using WebAssembly-based vips.
+			 *
+			 * @since 7.0.0
+			 *
+			 * @param string[] $mime_types Array of MIME type strings.
+			 */
+			$available['client_side_supported_mime_types'] = apply_filters(
+				'client_side_supported_mime_types',
+				array( 'image/jpeg', 'image/png', 'image/gif', 'image/webp', 'image/avif' )
+			);
 		}
 
 		$response = new WP_REST_Response( $available );
diff --git a/tests/qunit/fixtures/wp-api-generated.js b/tests/qunit/fixtures/wp-api-generated.js
index 4f925d35c82f6..4ec2877667eb2 100644
--- a/tests/qunit/fixtures/wp-api-generated.js
+++ b/tests/qunit/fixtures/wp-api-generated.js
@@ -12920,6 +12920,13 @@ mockedApiResponse.Schema = {
     "jpeg_interlaced": false,
     "png_interlaced": false,
     "gif_interlaced": false,
+    "client_side_supported_mime_types": [
+        "image/jpeg",
+        "image/png",
+        "image/gif",
+        "image/webp",
+        "image/avif"
+    ],
     "site_logo": 0,
     "site_icon": 0,
     "site_icon_url": ""