diff --git a/README.md b/README.md
index e5ef7d8e..6ecf0dfe 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ This makes it possible to build a high performance website with this solution, w
 
 - Optimize images at build time.
 - All options for `next/image` available
+- Convert formats (png → webp, etc.)
 - Using `sharp`, so it's fast.
 - Cache prevents repeating the same optimization
 - Support TypeScript
diff --git a/docs/docs/intro.md b/docs/docs/intro.md
index f8c40e65..25adf781 100644
--- a/docs/docs/intro.md
+++ b/docs/docs/intro.md
@@ -20,6 +20,7 @@ This makes it possible to build a high performance website with this solution, w
 
 - Optimize images at build time.
 - All options for `next/image` available
+- Convert formats (png → webp, etc.)
 - Using `sharp`, so it's fast.
 - Cache prevents repeating the same optimization
 - Support TypeScript