diff --git a/frontend/src/components/urlInput/urlInput.tsx b/frontend/src/components/urlInput/urlInput.tsx
index d5b1d5d3e..605a3a911 100644
--- a/frontend/src/components/urlInput/urlInput.tsx
+++ b/frontend/src/components/urlInput/urlInput.tsx
@@ -31,9 +31,17 @@ interface URLInputProps {
   lens: Lens<URLItem[]>;
   type: ValidSiteTypeEnum;
   errors?: ErrorsType;
+  pendingURLError?: string;
+  onPendingURLChange?: (pendingURL: string) => void;
 }
 
-const URLInput: FC<URLInputProps> = ({ lens, type, errors }) => {
+const URLInput: FC<URLInputProps> = ({
+  lens,
+  type,
+  errors,
+  pendingURLError,
+  onPendingURLChange,
+}) => {
   const interop = lens.interop();
   const {
     fields: urls,
@@ -55,6 +63,11 @@ const URLInput: FC<URLInputProps> = ({ lens, type, errors }) => {
     s.valid_types.includes(type),
   );
 
+  const setPendingURL = (url: string) => {
+    setNewURL(url);
+    onPendingURLChange?.(url.trim());
+  };
+
   const handleAdd = () => {
     if (!newURL || !selectedSite) return;
     const cleanedURL = cleanURL(selectedSite?.regex, newURL);
@@ -69,7 +82,7 @@ const URLInput: FC<URLInputProps> = ({ lens, type, errors }) => {
     if (selectRef.current) selectRef.current.value = "";
     if (inputRef.current) inputRef.current.value = "";
     setSelectedSite(undefined);
-    setNewURL("");
+    setPendingURL("");
   };
 
   const handleInput = (url: string) => {
@@ -89,6 +102,7 @@ const URLInput: FC<URLInputProps> = ({ lens, type, errors }) => {
       const updatedURL = cleanURL(site.regex, url);
       if (updatedURL) {
         inputRef.current.value = updatedURL;
+        setPendingURL(updatedURL);
         return true;
       }
     }
@@ -99,7 +113,6 @@ const URLInput: FC<URLInputProps> = ({ lens, type, errors }) => {
     const match = handleInput(e.clipboardData.getData("text/plain"));
     if (match) {
       e.preventDefault();
-      setNewURL(e.currentTarget.value);
     }
   };
 
@@ -159,14 +172,15 @@ const URLInput: FC<URLInputProps> = ({ lens, type, errors }) => {
           ref={inputRef}
           onBlur={(e) => handleInput(e.currentTarget.value)}
           placeholder="URL"
-          onChange={(e) => setNewURL(e.currentTarget.value)}
+          onChange={(e) => setPendingURL(e.currentTarget.value)}
           onPaste={handlePaste}
-          className="w-50"
+          className={`w-50 ${pendingURLError ? "is-invalid" : ""}`}
         />
         <Button onClick={handleAdd} disabled={!newURL || !selectedSite}>
           Add
         </Button>
       </InputGroup>
+      {pendingURLError && <div className="text-danger">{pendingURLError}</div>}
     </div>
   );
 };
diff --git a/frontend/src/hooks/index.ts b/frontend/src/hooks/index.ts
index 8cffd8c19..b9a9403a1 100644
--- a/frontend/src/hooks/index.ts
+++ b/frontend/src/hooks/index.ts
@@ -1,7 +1,9 @@
 export { default as useAuth } from "./useAuth";
+export { useBeforeUnload } from "./useBeforeUnload";
 export { useCurrentUser } from "./useCurrentUser";
 export { default as useEditFilter } from "./useEditFilter";
 export { default as usePagination } from "./usePagination";
+export { usePendingURLField } from "./usePendingURLField";
 export { useQueryParams } from "./useQueryParams";
 export { useToast } from "./useToast";
 export { useUser } from "./useUser";
diff --git a/frontend/src/hooks/usePendingURLField.ts b/frontend/src/hooks/usePendingURLField.ts
new file mode 100644
index 000000000..110992602
--- /dev/null
+++ b/frontend/src/hooks/usePendingURLField.ts
@@ -0,0 +1,20 @@
+import { useCallback } from "react";
+import type {
+  FieldValues,
+  Path,
+  PathValue,
+  UseFormSetValue,
+} from "react-hook-form";
+
+export const usePendingURLField = <T extends FieldValues>(
+  setValue: UseFormSetValue<T>,
+  name: Path<T>,
+) =>
+  useCallback(
+    (pendingURL: string) => {
+      setValue(name, pendingURL as PathValue<T, Path<T>>, {
+        shouldValidate: true,
+      });
+    },
+    [name, setValue],
+  );
diff --git a/frontend/src/pages/performers/performerForm/PerformerForm.tsx b/frontend/src/pages/performers/performerForm/PerformerForm.tsx
index 89c65491d..4a1107c28 100644
--- a/frontend/src/pages/performers/performerForm/PerformerForm.tsx
+++ b/frontend/src/pages/performers/performerForm/PerformerForm.tsx
@@ -34,7 +34,7 @@ import {
   type PerformerEditOptionsInput,
   ValidSiteTypeEnum,
 } from "src/graphql";
-import { useBeforeUnload } from "src/hooks/useBeforeUnload";
+import { useBeforeUnload, usePendingURLField } from "src/hooks";
 import DiffPerformer from "./diff";
 import ExistingPerformerAlert from "./ExistingPerformerAlert";
 import { type PerformerFormData, PerformerSchema } from "./schema";
@@ -183,10 +183,12 @@ const PerformerForm: FC<PerformerProps> = ({
       piercings: initial?.piercings ?? performer?.piercings ?? [],
       images: initial?.images ?? performer?.images ?? [],
       urls: initial?.urls ?? performer?.urls ?? [],
+      pendingUrl: "",
     },
   });
 
   const lens = useLens({ control });
+  const onPendingURLChange = usePendingURLField(setValue, "pendingUrl");
 
   const [activeTab, setActiveTab] = useState("personal");
   const [updateAliases, setUpdateAliases] = useState<boolean>(
@@ -300,6 +302,7 @@ const PerformerForm: FC<PerformerProps> = ({
       error: errors.urls?.find?.((u) => u?.url?.message)?.url?.message,
       tab: "links",
     },
+    { error: errors.pendingUrl?.message, tab: "links" },
   ].filter((e) => e.error) as { error: string; tab: string }[];
 
   return (
@@ -668,6 +671,8 @@ const PerformerForm: FC<PerformerProps> = ({
             lens={lens.focus("urls").defined()}
             type={ValidSiteTypeEnum.PERFORMER}
             errors={errors.urls}
+            pendingURLError={errors.pendingUrl?.message}
+            onPendingURLChange={onPendingURLChange}
           />
 
           <NavButtons onNext={() => setActiveTab("images")} />
diff --git a/frontend/src/pages/performers/performerForm/__tests__/PerformerForm.test.tsx b/frontend/src/pages/performers/performerForm/__tests__/PerformerForm.test.tsx
index 9ba796787..30414ae3a 100644
--- a/frontend/src/pages/performers/performerForm/__tests__/PerformerForm.test.tsx
+++ b/frontend/src/pages/performers/performerForm/__tests__/PerformerForm.test.tsx
@@ -714,6 +714,24 @@ describe("PerformerForm", () => {
       expect(callback).not.toHaveBeenCalled();
     });
 
+    it("blocks submit when a URL is entered but not added", async () => {
+      const callback = vi.fn();
+      const { user } = renderEdit(callback);
+      await user.click(screen.getByRole("tab", { name: "Links" }));
+      const urlInput = (await waitFor(() => {
+        const el = document.querySelector('.URLInput input[placeholder="URL"]');
+        if (!el) throw new Error("URLInput not ready");
+        return el;
+      })) as HTMLInputElement;
+      await user.type(urlInput, "https://example.org/pending");
+      await submit(user);
+      const matches = await screen.findAllByText(
+        "Click Add to include the entered URL before submitting",
+      );
+      expect(matches.length).toBeGreaterThan(0);
+      expect(callback).not.toHaveBeenCalled();
+    });
+
     it("hides breast type when gender is MALE", async () => {
       const { user } = renderEdit();
       expect(screen.getByLabelText("Breast type")).toBeInTheDocument();
diff --git a/frontend/src/pages/performers/performerForm/schema.ts b/frontend/src/pages/performers/performerForm/schema.ts
index 532fa0c4b..6e09f08cb 100644
--- a/frontend/src/pages/performers/performerForm/schema.ts
+++ b/frontend/src/pages/performers/performerForm/schema.ts
@@ -157,6 +157,13 @@ export const PerformerSchema = yup.object({
       }),
     )
     .ensure(),
+  pendingUrl: yup
+    .string()
+    .test(
+      "no-pending-url",
+      "Click Add to include the entered URL before submitting",
+      (value) => !value,
+    ),
   note: yup.string().required("Edit note is required"),
 });
 
diff --git a/frontend/src/pages/scenes/sceneForm/SceneForm.tsx b/frontend/src/pages/scenes/sceneForm/SceneForm.tsx
index 110d841ee..8878ec994 100644
--- a/frontend/src/pages/scenes/sceneForm/SceneForm.tsx
+++ b/frontend/src/pages/scenes/sceneForm/SceneForm.tsx
@@ -29,7 +29,7 @@ import {
   type SceneEditDetailsInput,
   ValidSiteTypeEnum,
 } from "src/graphql";
-import { useBeforeUnload } from "src/hooks/useBeforeUnload";
+import { useBeforeUnload, usePendingURLField } from "src/hooks";
 import { formatDuration, parseDuration, performerHref } from "src/utils";
 import DiffScene from "./diff";
 import ExistingSceneAlert from "./ExistingSceneAlert";
@@ -66,6 +66,7 @@ const SceneForm: FC<SceneProps> = ({
     control,
     handleSubmit,
     watch,
+    setValue,
     formState: { errors },
   } = useForm({
     resolver: yupResolver(SceneSchema),
@@ -83,6 +84,7 @@ const SceneForm: FC<SceneProps> = ({
       images: initial?.images ?? scene?.images ?? [],
       studio: initial?.studio ?? scene?.studio ?? undefined,
       tags: initial?.tags ?? scene?.tags ?? [],
+      pendingUrl: "",
       performers: (initial?.performers ?? scene?.performers ?? []).map((p) => ({
         performerId: p.performer.id,
         name: p.performer.name,
@@ -106,6 +108,7 @@ const SceneForm: FC<SceneProps> = ({
   });
 
   const lens = useLens({ control });
+  const onPendingURLChange = usePendingURLField(setValue, "pendingUrl");
 
   const fieldData = watch();
   const [oldSceneChanges, newSceneChanges] = useMemo(
@@ -318,6 +321,7 @@ const SceneForm: FC<SceneProps> = ({
       error: errors.urls?.find?.((u) => u?.url?.message)?.url?.message,
       tab: "links",
     },
+    { error: errors.pendingUrl?.message, tab: "links" },
   ].filter((e) => e.error) as { error: string; tab: string }[];
 
   return (
@@ -500,6 +504,8 @@ const SceneForm: FC<SceneProps> = ({
             lens={lens.focus("urls").defined()}
             type={ValidSiteTypeEnum.SCENE}
             errors={errors.urls}
+            pendingURLError={errors.pendingUrl?.message}
+            onPendingURLChange={onPendingURLChange}
           />
 
           <NavButtons onNext={() => setActiveTab("images")} />
diff --git a/frontend/src/pages/scenes/sceneForm/__tests__/SceneForm.test.tsx b/frontend/src/pages/scenes/sceneForm/__tests__/SceneForm.test.tsx
index 2ffdf4dc2..c20272ccf 100644
--- a/frontend/src/pages/scenes/sceneForm/__tests__/SceneForm.test.tsx
+++ b/frontend/src/pages/scenes/sceneForm/__tests__/SceneForm.test.tsx
@@ -482,6 +482,24 @@ describe("SceneForm", () => {
       expect(callback).not.toHaveBeenCalled();
     });
 
+    it("blocks submit when a URL is entered but not added", async () => {
+      const callback = vi.fn();
+      const { user } = renderEdit(callback);
+      await user.click(screen.getByRole("tab", { name: "Links" }));
+      const urlInput = (await waitFor(() => {
+        const el = document.querySelector('.URLInput input[placeholder="URL"]');
+        if (!el) throw new Error("URLInput not ready");
+        return el;
+      })) as HTMLInputElement;
+      await user.type(urlInput, "https://pending.example");
+      await submit(user);
+      const matches = await screen.findAllByText(
+        "Click Add to include the entered URL before submitting",
+      );
+      expect(matches.length).toBeGreaterThan(0);
+      expect(callback).not.toHaveBeenCalled();
+    });
+
     it("disables submit when saving=true", async () => {
       const { user } = renderForm(
         <SceneForm scene={baseScene} callback={vi.fn()} saving={true} />,
diff --git a/frontend/src/pages/scenes/sceneForm/schema.ts b/frontend/src/pages/scenes/sceneForm/schema.ts
index c849e9b45..4a3986ebe 100644
--- a/frontend/src/pages/scenes/sceneForm/schema.ts
+++ b/frontend/src/pages/scenes/sceneForm/schema.ts
@@ -121,6 +121,13 @@ export const SceneSchema = yup.object({
       }),
     )
     .ensure(),
+  pendingUrl: yup
+    .string()
+    .test(
+      "no-pending-url",
+      "Click Add to include the entered URL before submitting",
+      (value) => !value,
+    ),
   note: yup.string().required("Edit note is required"),
 });