diff --git a/.changeset/smooth-zoos-say.md b/.changeset/smooth-zoos-say.md
new file mode 100644
index 000000000000..402e598b5b69
--- /dev/null
+++ b/.changeset/smooth-zoos-say.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Adds support for extending the type of the props accepted by Astro’s `<Image>` component, `<Picture>` component, and `getImage()` API.
diff --git a/packages/astro/src/assets/types.ts b/packages/astro/src/assets/types.ts
index 6f14e6163b65..820988ec7e91 100644
--- a/packages/astro/src/assets/types.ts
+++ b/packages/astro/src/assets/types.ts
@@ -90,7 +90,7 @@ export type ImageTransform = {
 	fit?: ImageFit | undefined;
 	position?: string | undefined;
 	[key: string]: any;
-};
+} & Astro.CustomImageProps;
 
 export interface GetImageResult {
 	rawOptions: ImageTransform;
@@ -231,7 +231,8 @@ type ImageSharedProps<T> = T & {
 				fit?: never;
 				position?: never;
 		  }
-	);
+	) &
+	Astro.CustomImageProps;
 
 export type LocalImageProps<T> = ImageSharedProps<T> & {
 	/**
diff --git a/packages/astro/src/types/public/extendables.ts b/packages/astro/src/types/public/extendables.ts
index b78777cbd904..8281328ef27b 100644
--- a/packages/astro/src/types/public/extendables.ts
+++ b/packages/astro/src/types/public/extendables.ts
@@ -20,6 +20,7 @@ declare global {
 	namespace Astro {
 		export interface IntegrationHooks extends BaseIntegrationHooks {}
 		export interface ClientDirectives extends AstroClientDirectives {}
+		export interface CustomImageProps {}
 	}
 }