diff --git a/public/_locales b/public/_locales
index 38776318..3f2c11aa 160000
--- a/public/_locales
+++ b/public/_locales
@@ -1 +1 @@
-Subproject commit 38776318f3fd01eac77e205efe21877af0b69463
+Subproject commit 3f2c11aa9bdb1e1def38e5edf114cd1480df1719
diff --git a/src/config.ts b/src/config.ts
index 6ef0112c..cccb1147 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -75,6 +75,7 @@ interface SBConfig {
     allowScrollingToEdit: boolean;
     deArrowInstalled: boolean;
     showDeArrowPromotion: boolean;
+    showZoomToFillError: boolean;
 
     // Used to cache calculated text color info
     categoryPillColors: {
@@ -311,6 +312,7 @@ const syncDefaults = {
     allowScrollingToEdit: true,
     deArrowInstalled: false,
     showDeArrowPromotion: true,
+    showZoomToFillError: true,
 
     categoryPillColors: {},
 
diff --git a/src/content.ts b/src/content.ts
index 7a23a0e5..549fc4a4 100644
--- a/src/content.ts
+++ b/src/content.ts
@@ -44,6 +44,7 @@ import { setupThumbnailListener } from "./utils/thumbnails";
 import * as documentScript from "../dist/js/document.js";
 import { Tooltip } from "./render/Tooltip";
 import { isDeArrowInstalled } from "./utils/crossExtension";
+import { runCompatibilityChecks } from "./utils/compatibility";
 
 const utils = new Utils();
 
@@ -87,7 +88,9 @@ utils.wait(() => Config.isReady(), 5000, 10).then(() => {
                 Config.config.showDeArrowPromotion = false;
             }
         }
-    }, 5000)
+    }, 5000);
+
+    runCompatibilityChecks();
 });
 
 const skipBuffer = 0.003;
diff --git a/src/utils/compatibility.ts b/src/utils/compatibility.ts
new file mode 100644
index 00000000..30a4ee61
--- /dev/null
+++ b/src/utils/compatibility.ts
@@ -0,0 +1,15 @@
+import Config from "../config";
+
+export function runCompatibilityChecks() {
+    if (Config.config.showZoomToFillError) {
+        setTimeout(() => {
+            const zoomToFill = document.querySelector(".zoomtofillBtn");
+    
+            if (zoomToFill) {
+                alert(chrome.i18n.getMessage("zoomToFillUnsupported"));
+            }
+
+            Config.config.showZoomToFillError = false;
+        }, 10000);
+    }
+}
\ No newline at end of file