diff --git a/.changeset/pink-singers-glow.md b/.changeset/pink-singers-glow.md
new file mode 100644
index 00000000000..437ed778636
--- /dev/null
+++ b/.changeset/pink-singers-glow.md
@@ -0,0 +1,6 @@
+---
+"@graphiql/react": minor
+"graphiql": minor
+---
+
+Add webp support to graphiql results image-preview
diff --git a/packages/graphiql-react/src/editor/components/image-preview.tsx b/packages/graphiql-react/src/editor/components/image-preview.tsx
index b330f7bb01a..4a2b65dfc16 100644
--- a/packages/graphiql-react/src/editor/components/image-preview.tsx
+++ b/packages/graphiql-react/src/editor/components/image-preview.tsx
@@ -84,5 +84,5 @@ function tokenToURL(token: Token) {
 }
 
 function isImageURL(url: URL) {
-  return /(bmp|gif|jpeg|jpg|png|svg)$/.test(url.pathname);
+  return /\.(bmp|gif|jpe?g|png|svg|webp)$/.test(url.pathname);
 }
diff --git a/resources/custom-words.txt b/resources/custom-words.txt
index a1a3f38758d..56c382a0aa6 100644
--- a/resources/custom-words.txt
+++ b/resources/custom-words.txt
@@ -219,6 +219,7 @@ vitejs
 vitest
 vizag
 vsix
+webp
 websockets
 wgutils
 wincent