diff --git a/src/i18n/en/register.json b/src/i18n/en/register.json
index b05b88b..e8b610d 100644
--- a/src/i18n/en/register.json
+++ b/src/i18n/en/register.json
@@ -8,10 +8,11 @@
 	"password": "Password",
 	"password_error": "This password is not valid.",
 	"password_validation_1": "Minimum 8 characters",
-	"password_validation_2": "One uppercase",
-	"password_validation_3": "One lowercase",
-	"password_validation_4": "One number",
-	"password_validation_5": "One special character",
+	"password_validation_2": "Maximum 32 characters",
+	"password_validation_3": "One uppercase",
+	"password_validation_4": "One lowercase",
+	"password_validation_5": "One number",
+	"password_validation_6": "One special character",
 	"repeat_password": "Repeat password",
 	"repeat_password_error": "Passwords do not match.",
 	"question": "Already have an account?",
diff --git a/src/i18n/es/register.json b/src/i18n/es/register.json
index 1868267..67b517c 100644
--- a/src/i18n/es/register.json
+++ b/src/i18n/es/register.json
@@ -8,10 +8,11 @@
 	"password": "Contraseña",
 	"password_error": "Esta contraseña no es válida.",
 	"password_validation_1": "Mínimo 8 caracteres",
-	"password_validation_2": "Una mayúscula",
-	"password_validation_3": "Una minúscula",
-	"password_validation_4": "Un número",
-	"password_validation_5": "Un carácter especial",
+	"password_validation_2": "Máximo 32 caracteres",
+	"password_validation_3": "Una mayúscula",
+	"password_validation_4": "Una minúscula",
+	"password_validation_5": "Un número",
+	"password_validation_6": "Un carácter especial",
 	"repeat_password": "Repetir contraseña",
 	"repeat_password_error": "Las contraseñas no coinciden.",
 	"question": "¿Ya tienes una cuenta?",
diff --git a/src/middleware/auth.ts b/src/middleware/01.refreshSession.global.ts
similarity index 74%
rename from src/middleware/auth.ts
rename to src/middleware/01.refreshSession.global.ts
index abd9e63..311a5a4 100644
--- a/src/middleware/auth.ts
+++ b/src/middleware/01.refreshSession.global.ts
@@ -1,6 +1,4 @@
 export default defineNuxtRouteMiddleware(async (middleware) => {
-	const nuxtApp = useNuxtApp();
-	const localeRoute = useLocaleRoute();
 	const { loggedIn, fetch, session, clear } = useUserSession();
 	const { extractTokenData } = useJwt();
 
@@ -25,12 +23,4 @@ export default defineNuxtRouteMiddleware(async (middleware) => {
 			await fetch();
 		}
 	}
-
-	// Si el usuario no está logueado, lo redirige al login
-	if (!loggedIn.value) {
-		const loginRoute = localeRoute('login', nuxtApp.$i18n.locale);
-		const loginPath = loginRoute != null ? loginRoute.path : '/';
-
-		return navigateTo(loginPath);
-	}
 });
diff --git a/src/middleware/disabledWithSession.ts b/src/middleware/disabledWithSession.ts
new file mode 100644
index 0000000..7de2f28
--- /dev/null
+++ b/src/middleware/disabledWithSession.ts
@@ -0,0 +1,13 @@
+export default defineNuxtRouteMiddleware(async (middleware) => {
+	const nuxtApp = useNuxtApp();
+	const localeRoute = useLocaleRoute();
+	const { loggedIn } = useUserSession();
+
+	// Si el usuario está logueado, lo redirige a su biblioteca
+	if (loggedIn.value) {
+		const libraryRoute = localeRoute('library', nuxtApp.$i18n.locale.value);
+		const libraryPath = libraryRoute != null ? libraryRoute.path : '/';
+
+		return navigateTo(libraryPath);
+	}
+});
diff --git a/src/middleware/enabledWithSession.ts b/src/middleware/enabledWithSession.ts
new file mode 100644
index 0000000..2ca796f
--- /dev/null
+++ b/src/middleware/enabledWithSession.ts
@@ -0,0 +1,13 @@
+export default defineNuxtRouteMiddleware(async (middleware) => {
+	const nuxtApp = useNuxtApp();
+	const localeRoute = useLocaleRoute();
+	const { loggedIn } = useUserSession();
+
+	// Si el usuario no está logueado, lo redirige al login
+	if (!loggedIn.value) {
+		const loginRoute = localeRoute('login', nuxtApp.$i18n.locale.value);
+		const loginPath = loginRoute != null ? loginRoute.path : '/';
+
+		return navigateTo(loginPath);
+	}
+});
diff --git a/src/pages/(user)/library.vue b/src/pages/(user)/library.vue
index 1eaef24..f9ec36a 100644
--- a/src/pages/(user)/library.vue
+++ b/src/pages/(user)/library.vue
@@ -10,7 +10,7 @@ defineI18nRoute({
 });
 
 definePageMeta({
-	middleware: ["auth"],
+	middleware: ["enabled-with-session"],
 });
 
 useHead({
diff --git a/src/pages/auth/login.vue b/src/pages/auth/login.vue
index d21aa9d..9ac7331 100644
--- a/src/pages/auth/login.vue
+++ b/src/pages/auth/login.vue
@@ -11,6 +11,10 @@ defineI18nRoute({
 	},
 });
 
+definePageMeta({
+	middleware: ["disabled-with-session"],
+});
+
 useHead({
 	title: t('home.title') + ' - ' + t('login.title'),
 	meta: [
diff --git a/src/pages/auth/register.vue b/src/pages/auth/register.vue
index 35df7c9..d605585 100644
--- a/src/pages/auth/register.vue
+++ b/src/pages/auth/register.vue
@@ -1,5 +1,10 @@
 <script setup lang="ts">
-const { t } = useI18n();
+import type { SessionSuccessResponse, RegisterErrorResponse } from '~/types/auth';
+
+const { t, locale } = useI18n();
+const localeRoute = useLocaleRoute();
+const config = useRuntimeConfig();
+const { fetch } = useUserSession();
 
 defineI18nRoute({
 	paths: {
@@ -8,6 +13,10 @@ defineI18nRoute({
 	},
 });
 
+definePageMeta({
+	middleware: ["disabled-with-session"],
+});
+
 useHead({
 	title: t('home.title') + ' - ' + t('register.title'),
 	meta: [
@@ -17,6 +26,51 @@ useHead({
 		},
 	],
 });
+
+const registerForm = ref({
+	email: '',
+	password: '',
+	repeatPassword: '',
+});
+
+const emailErrors = ref<string[]>([]);
+const passwordErrors = ref<string[]>([]);
+
+const passwordMinLength = computed(() => registerForm.value.password.length >= 8);
+const passwordMaxLength = computed(() => registerForm.value.password.length <= 32);
+const passwordHasUppercase = computed(() => /[A-Z]/.test(registerForm.value.password));
+const passwordHasLowercase = computed(() => /[a-z]/.test(registerForm.value.password));
+const passwordHasNumber = computed(() => /\d/.test(registerForm.value.password));
+const passwordHasSpecialCharacter = computed(() => /[!@#$%^&*()_+\-=\[\]{};':"\\|,.<>\/?]/.test(registerForm.value.password));
+
+const samePassword = computed(() => registerForm.value.password === registerForm.value.repeatPassword);
+
+const submitForm = async (event: Event) => {
+	event.preventDefault();
+
+	emailErrors.value = [];
+	passwordErrors.value = [];
+
+	const response = await $fetch<SessionSuccessResponse | RegisterErrorResponse>(config.public.frontendUrl + '/api/auth/register', {
+		method: 'POST',
+		body: registerForm.value,
+		ignoreResponseError: true,
+	});
+
+	if ('data' in response && response.data.statusCode === 400) {
+		emailErrors.value = response.data.message.filter((message) => message.includes('email'));
+		passwordErrors.value = response.data.message.filter((message) => !message.includes('email'));
+
+		return;
+	}
+
+	await fetch();
+
+	const libraryRoute = localeRoute('library', locale.value);
+	const libraryPath = libraryRoute != null ? libraryRoute.path : '/';
+
+	await navigateTo(libraryPath);
+};
 </script>
 
 <template>
@@ -27,7 +81,7 @@ useHead({
 			</div>
 
 			<div class="flex flex-row items-center lg:px-8 w-full min-h-svh sm:w-1/2 md:w-2/5 xl:w-2/6 bg-white">
-				<form class="w-full px-6 py-4">
+				<form class="w-full px-6 py-4" @submit="submitForm">
 					<NuxtLinkLocale to="/">
 						<nuxt-icon name="logo" class="flex w-1/3 mx-auto mb-4 xl:mb-5" />
 					</NuxtLinkLocale>
@@ -35,36 +89,44 @@ useHead({
 					<label class="block text-sm font-medium text-gray-700">{{ t('register.email') }}</label>
 					<div class="mt-1 mb-4">
 						<input
+							v-model="registerForm.email"
 							type="email"
 							class="shadow-sm block w-full sm:text-sm border-gray-300 rounded-md"
+							required
 						/>
 
-						<div class="text-sm text-red-500 pt-1">{{ t('register.email_error') }}</div>
+						<div v-if="emailErrors.length > 0" class="text-sm text-red-500 pt-1">{{ t('register.email_error') }}</div>
 					</div>
 
 					<label class="block text-sm font-medium text-gray-700">{{ t('register.password') }}</label>
 					<div class="mt-1 mb-4">
 						<input
+							v-model="registerForm.password"
 							type="password"
 							class="shadow-sm block w-full sm:text-sm border-gray-300 rounded-md"
+							required
 						/>
 
-						<FormValidationRule :isValid="true">{{ t('register.password_error') }}</FormValidationRule>
-						<FormValidationRule :isValid="true">{{ t('register.password_validation_1') }}</FormValidationRule>
-						<FormValidationRule :isValid="true">{{ t('register.password_validation_2') }}</FormValidationRule>
-						<FormValidationRule :isValid="false">{{ t('register.password_validation_3') }}</FormValidationRule>
-						<FormValidationRule :isValid="false">{{ t('register.password_validation_4') }}</FormValidationRule>
-						<FormValidationRule :isValid="false">{{ t('register.password_validation_5') }}</FormValidationRule>
+						<div v-if="passwordErrors.length > 0" class="text-sm text-red-500 py-1">{{ t('register.password_error') }}</div>
+
+						<FormValidationRule v-if="registerForm.password.length > 0" :isValid="passwordMinLength">{{ t('register.password_validation_1') }}</FormValidationRule>
+						<FormValidationRule v-if="registerForm.password.length > 0" :isValid="passwordMaxLength">{{ t('register.password_validation_2') }}</FormValidationRule>
+						<FormValidationRule v-if="registerForm.password.length > 0" :isValid="passwordHasUppercase">{{ t('register.password_validation_3') }}</FormValidationRule>
+						<FormValidationRule v-if="registerForm.password.length > 0" :isValid="passwordHasLowercase">{{ t('register.password_validation_4') }}</FormValidationRule>
+						<FormValidationRule v-if="registerForm.password.length > 0" :isValid="passwordHasNumber">{{ t('register.password_validation_5') }}</FormValidationRule>
+						<FormValidationRule v-if="registerForm.password.length > 0" :isValid="passwordHasSpecialCharacter">{{ t('register.password_validation_6') }}</FormValidationRule>
 					</div>
 
 					<label class="block text-sm font-medium text-gray-700">{{ t('register.repeat_password') }}</label>
 					<div class="mt-1 mb-4">
 						<input
+							v-model="registerForm.repeatPassword"
 							type="password"
 							class="shadow-sm block w-full sm:text-sm border-gray-300 rounded-md"
+							required
 						/>
 
-						<div class="text-sm text-red-500 pt-1">{{ t('register.repeat_password_error') }}</div>
+						<div v-if="!samePassword" class="text-sm text-red-500 pt-1">{{ t('register.repeat_password_error') }}</div>
 					</div>
 
 					<i18n-t keypath="register.warning" tag="p" class="text-xs mb-3">
diff --git a/src/pages/auth/reset.vue b/src/pages/auth/reset.vue
index f7282c3..5048596 100644
--- a/src/pages/auth/reset.vue
+++ b/src/pages/auth/reset.vue
@@ -8,6 +8,10 @@ defineI18nRoute({
 	},
 });
 
+definePageMeta({
+	middleware: ["disabled-with-session"],
+});
+
 useHead({
 	title: t('home.title') + ' - ' + t('reset.title'),
 	meta: [
diff --git a/src/server/api/auth/login.post.ts b/src/server/api/auth/login.post.ts
index a119936..2d565e3 100644
--- a/src/server/api/auth/login.post.ts
+++ b/src/server/api/auth/login.post.ts
@@ -1,10 +1,10 @@
-import { LoginAndRefreshResponse } from "~/types/auth";
+import { SessionResponse } from "~/types/auth";
 
 export default defineEventHandler(async (event) => {
 	const config = useRuntimeConfig();
 	const body = await readBody(event);
 
-	const response = await $fetch<LoginAndRefreshResponse>(config.public.backendUrl + '/auth/login', {
+	const response = await $fetch<SessionResponse>(config.public.backendUrl + '/auth/login', {
 		method: 'POST',
 		body: JSON.stringify({
 			email: body.email,
diff --git a/src/server/api/auth/register.post.ts b/src/server/api/auth/register.post.ts
new file mode 100644
index 0000000..4d6206d
--- /dev/null
+++ b/src/server/api/auth/register.post.ts
@@ -0,0 +1,31 @@
+import { SessionResponse } from "~/types/auth";
+
+export default defineEventHandler(async (event) => {
+	const config = useRuntimeConfig();
+	const body = await readBody(event);
+
+	const response = await $fetch<SessionResponse>(config.public.backendUrl + '/auth/register', {
+		method: 'POST',
+		body: JSON.stringify({
+			email: body.email,
+			password: body.password,
+		}),
+	});
+
+	await replaceUserSession(event, {
+		user: {
+			email: response.user.email,
+			avatar: response.user.avatar,
+			isAdmin: response.user.isAdmin,
+			isVerified: response.user.isVerified,
+		},
+		access_token: response.access_token,
+		refresh_token: response.refresh_token,
+	}, {
+		maxAge: Number(config.nuxtSessionTime),
+	});
+
+	return {
+		success: true,
+	};
+});
diff --git a/src/types/auth.d.ts b/src/types/auth.d.ts
index df43625..f8cf178 100644
--- a/src/types/auth.d.ts
+++ b/src/types/auth.d.ts
@@ -17,4 +17,21 @@ declare module '#auth-utils' {
 	interface UserSession extends LoginData {}
 }
 
-export interface LoginAndRefreshResponse extends LoginData {}
+export interface SessionResponse extends LoginData {}
+
+export interface RegisterErrorResponse {
+	data: {
+		message: string[];
+		error: string;
+		statusCode: number;
+	};
+	message: string;
+	stack: string;
+	statusCode: number;
+	statusMessage: string;
+	url: string;
+}
+
+export interface SessionSuccessResponse {
+	success: boolean;
+}