diff --git a/lib/private/CapabilitiesManager.php b/lib/private/CapabilitiesManager.php
index d7bf25f078ac0..07076d9aacd80 100644
--- a/lib/private/CapabilitiesManager.php
+++ b/lib/private/CapabilitiesManager.php
@@ -32,7 +32,7 @@ public function __construct(LoggerInterface $logger) {
 	}
 
 	/**
-	 * Get an array of al the capabilities that are registered at this manager
+	 * Get an array of all the capabilities that are registered at this manager
 	 *
 	 * @param bool $public get public capabilities only
 	 * @throws \InvalidArgumentException
diff --git a/lib/private/OCS/CoreCapabilities.php b/lib/private/OCS/CoreCapabilities.php
index 3d988a8662e76..f67d853dd5dc1 100644
--- a/lib/private/OCS/CoreCapabilities.php
+++ b/lib/private/OCS/CoreCapabilities.php
@@ -8,6 +8,7 @@
 namespace OC\OCS;
 
 use OCP\Capabilities\ICapability;
+use OCP\Conversion\IConversionManager;
 use OCP\IConfig;
 use OCP\IURLGenerator;
 
@@ -22,6 +23,7 @@ class CoreCapabilities implements ICapability {
 	 */
 	public function __construct(
 		private IConfig $config,
+		private IConversionManager $conversionManager,
 	) {
 	}
 
@@ -34,6 +36,7 @@ public function __construct(
 	 *         webdav-root: string,
 	 *         reference-api: boolean,
 	 *         reference-regex: string,
+	 *     	   conversions: array<string, string|array<string>>,
 	 *         mod-rewrite-working: boolean,
 	 *     },
 	 * }
@@ -45,6 +48,7 @@ public function getCapabilities(): array {
 				'webdav-root' => $this->config->getSystemValueString('webdav-root', 'remote.php/webdav'),
 				'reference-api' => true,
 				'reference-regex' => IURLGenerator::URL_REGEX_NO_MODIFIERS,
+				'conversions' => array_merge([], ...$this->conversionManager->getMimeTypes()),
 				'mod-rewrite-working' => $this->config->getSystemValueBool('htaccess.IgnoreFrontController') || getenv('front_controller_active') === 'true',
 			],
 		];
diff --git a/lib/private/Server.php b/lib/private/Server.php
index 9f38477be0cb3..99bfe14b08440 100644
--- a/lib/private/Server.php
+++ b/lib/private/Server.php
@@ -1008,7 +1008,10 @@ public function __construct($webRoot, \OC\Config $config) {
 		$this->registerService(CapabilitiesManager::class, function (ContainerInterface $c) {
 			$manager = new CapabilitiesManager($c->get(LoggerInterface::class));
 			$manager->registerCapability(function () use ($c) {
-				return new \OC\OCS\CoreCapabilities($c->get(\OCP\IConfig::class));
+				return new \OC\OCS\CoreCapabilities(
+					$c->get(\OCP\IConfig::class),
+					$c->get(\OCP\Conversion\IConversionManager::class)
+				);
 			});
 			$manager->registerCapability(function () use ($c) {
 				return $c->get(\OC\Security\Bruteforce\Capabilities::class);