diff --git a/frontend/src/ts/modals/edit-profile.ts b/frontend/src/ts/modals/edit-profile.ts
index 1ca19fc06947..8a4cc1723c89 100644
--- a/frontend/src/ts/modals/edit-profile.ts
+++ b/frontend/src/ts/modals/edit-profile.ts
@@ -7,7 +7,14 @@ import * as ConnectionState from "../states/connection";
 import AnimatedModal from "../utils/animated-modal";
 import * as Profile from "../elements/profile";
 import { CharacterCounter } from "../elements/character-counter";
-import { Badge, UserProfileDetails } from "@monkeytype/contracts/schemas/users";
+import {
+  Badge,
+  GithubProfileSchema,
+  TwitterProfileSchema,
+  UserProfileDetails,
+  WebsiteSchema,
+} from "@monkeytype/contracts/schemas/users";
+import { InputIndicator } from "../elements/input-indicator";
 
 export function show(): void {
   if (!ConnectionState.get()) {
@@ -44,6 +51,12 @@ const githubInput = $("#editProfileModal .github");
 const websiteInput = $("#editProfileModal .website");
 const badgeIdsSelect = $("#editProfileModal .badgeSelectionContainer");
 
+const indicators = [
+  addValidation(twitterInput, TwitterProfileSchema),
+  addValidation(githubInput, GithubProfileSchema),
+  addValidation(websiteInput, WebsiteSchema),
+];
+
 let currentSelectedBadgeId = -1;
 
 function hydrateInputs(): void {
@@ -90,6 +103,8 @@ function hydrateInputs(): void {
     badgeIdsSelect.find(".badgeSelectionItem").removeClass("selected");
     $(currentTarget).addClass("selected");
   });
+
+  indicators.forEach((it) => it.hide());
 }
 
 function initializeCharacterCounters(): void {
@@ -175,6 +190,45 @@ async function updateProfile(): Promise<void> {
   hide();
 }
 
+function addValidation(
+  element: JQuery<HTMLElement>,
+  schema: Zod.Schema
+): InputIndicator {
+  const indicator = new InputIndicator(element, {
+    valid: {
+      icon: "fa-check",
+      level: 1,
+    },
+    invalid: {
+      icon: "fa-times",
+      level: -1,
+    },
+    checking: {
+      icon: "fa-circle-notch",
+      spinIcon: true,
+      level: 0,
+    },
+  });
+
+  element.on("input", (event) => {
+    const value = (event.target as HTMLInputElement).value;
+    if (value === undefined || value === "") {
+      indicator.hide();
+      return;
+    }
+    const validationResult = schema.safeParse(value);
+    if (!validationResult.success) {
+      indicator.show(
+        "invalid",
+        validationResult.error.errors.map((err) => err.message).join(", ")
+      );
+      return;
+    }
+    indicator.show("valid");
+  });
+  return indicator;
+}
+
 const modal = new AnimatedModal({
   dialogId: "editProfileModal",
   setup: async (modalEl): Promise<void> => {
diff --git a/packages/contracts/src/schemas/users.ts b/packages/contracts/src/schemas/users.ts
index 2c691d775d9d..d3fa1dc5d4ce 100644
--- a/packages/contracts/src/schemas/users.ts
+++ b/packages/contracts/src/schemas/users.ts
@@ -87,27 +87,33 @@ function profileDetailsBase(
     .transform((value) => (value === null ? undefined : value));
 }
 
+export const TwitterProfileSchema = profileDetailsBase(
+  z
+    .string()
+    .max(20)
+    .regex(/^[0-9a-zA-Z_.-]+$/)
+).or(z.literal(""));
+
+export const GithubProfileSchema = profileDetailsBase(
+  z
+    .string()
+    .max(39)
+    .regex(/^[0-9a-zA-Z_.-]+$/)
+).or(z.literal(""));
+
+export const WebsiteSchema = profileDetailsBase(
+  z.string().url().max(200).startsWith("https://")
+).or(z.literal(""));
+
 export const UserProfileDetailsSchema = z
   .object({
     bio: profileDetailsBase(z.string().max(250)).or(z.literal("")),
     keyboard: profileDetailsBase(z.string().max(75)).or(z.literal("")),
     socialProfiles: z
       .object({
-        twitter: profileDetailsBase(
-          z
-            .string()
-            .max(20)
-            .regex(/^[0-9a-zA-Z_.-]+$/)
-        ).or(z.literal("")),
-        github: profileDetailsBase(
-          z
-            .string()
-            .max(39)
-            .regex(/^[0-9a-zA-Z_.-]+$/)
-        ).or(z.literal("")),
-        website: profileDetailsBase(
-          z.string().url().max(200).startsWith("https://")
-        ).or(z.literal("")),
+        twitter: TwitterProfileSchema,
+        github: GithubProfileSchema,
+        website: WebsiteSchema,
       })
       .strict()
       .optional(),