diff --git a/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-browser/chromium/chromium-ozone-wayland-arago.inc b/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-browser/chromium/chromium-ozone-wayland-arago.inc
index ab092fa1..14c12767 100644
--- a/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-browser/chromium/chromium-ozone-wayland-arago.inc
+++ b/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-browser/chromium/chromium-ozone-wayland-arago.inc
@@ -1,5 +1,7 @@
 PR:append = ".arago0"
 
+EXTENSION_DIR = "/usr/lib/chromium/extensions/force-h264-youtube"
+
 FILESEXTRAPATHS:prepend := "${THISDIR}/chromium-ozone-wayland:"
 
 PACKAGECONFIG:append = " proprietary-codecs"
@@ -9,4 +11,17 @@ SRC_URI:append = " \
                   file://0002-chromium-gpu-sandbox-Allow-GPU-sandbox-access-to-V4L.patch \
                   file://0003-chromium-gpu-v4l2-Fix-OUTPUT-queue-streaming-in-V4L2.patch \
                   file://0004-media-gpu-v4l2-Avoid-placing-incomplete-H264-access-.patch \
+                  file://force-h264-youtube/force_h264.js \
+                  file://force-h264-youtube/manifest.json \
                   "
+
+do_install:append() {
+    install -d ${D}${EXTENSION_DIR}
+    install -m 0644 ${WORKDIR}/sources/force-h264-youtube/force_h264.js \
+                    ${WORKDIR}/sources/force-h264-youtube/manifest.json \
+                    ${D}${EXTENSION_DIR}/
+    sed -i 's|--ozone-platform=wayland"|--ozone-platform=wayland --load-extension=${EXTENSION_DIR}"|' \
+            ${D}/usr/lib/chromium/chromium-wrapper
+}
+
+FILES:${PN}:append = " ${EXTENSION_DIR}"
diff --git a/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-browser/chromium/chromium-ozone-wayland/force-h264-youtube/force_h264.js b/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-browser/chromium/chromium-ozone-wayland/force-h264-youtube/force_h264.js
new file mode 100644
index 00000000..5e942321
--- /dev/null
+++ b/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-browser/chromium/chromium-ozone-wayland/force-h264-youtube/force_h264.js
@@ -0,0 +1,4 @@
+(function() {
+    var orig = MediaSource.isTypeSupported.bind(MediaSource);
+    MediaSource.isTypeSupported = function(t) { return /vp8|vp09?|av01/i.test(t) ? false : orig(t); };
+})();
diff --git a/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-browser/chromium/chromium-ozone-wayland/force-h264-youtube/manifest.json b/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-browser/chromium/chromium-ozone-wayland/force-h264-youtube/manifest.json
new file mode 100644
index 00000000..fc69be22
--- /dev/null
+++ b/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-browser/chromium/chromium-ozone-wayland/force-h264-youtube/manifest.json
@@ -0,0 +1,19 @@
+{
+  "manifest_version": 3,
+  "name": "Force H.264",
+  "version": "1.0.0",
+  "description": "Lightweight extension that forces YouTube to play H.264 (avc1) by blocking VP8, VP9, and AV1",
+  "content_scripts": [
+    {
+      "matches": [
+        "*://*.youtube.com/*",
+        "*://*.youtube-nocookie.com/*",
+        "*://*.youtu.be/*"
+      ],
+      "js": ["force_h264.js"],
+      "run_at": "document_start",
+      "world": "MAIN",
+      "all_frames": true
+    }
+  ]
+}