diff --git a/files/routes/posts.py b/files/routes/posts.py
index ac407e8a8..f52806aee 100644
--- a/files/routes/posts.py
+++ b/files/routes/posts.py
@@ -601,6 +601,10 @@ def submit_post(v):
 	url = request.form.get("url", "")
 
 	if url:
+		if "/i.imgur.com/" in url: url = url.replace(".png", ".webp").replace(".jpg", ".webp").replace(".jpeg", ".webp")
+		elif "/media.giphy.com/" in url or "/c.tenor.com/" in url: url = url.replace(".gif", ".webp")
+		elif "/i.ibb.com/" in url: url = url.replace(".png", ".webp").replace(".jpg", ".webp").replace(".jpeg", ".webp").replace(".gif", ".webp")
+
 		for rd in ["https://reddit.com/", "https://new.reddit.com/", "https://www.reddit.com/", "https://redd.it/"]:
 			url = url.replace(rd, "https://old.reddit.com/")