diff --git a/packages/backend/migration/1744316999807-AddLongdescriptionToMeta.js b/packages/backend/migration/1744316999807-AddLongdescriptionToMeta.js
new file mode 100644
index 0000000000..de5251cf38
--- /dev/null
+++ b/packages/backend/migration/1744316999807-AddLongdescriptionToMeta.js
@@ -0,0 +1,12 @@
+/** @type {import('typeorm').MigrationInterface} */
+export class AddLongdescriptionToMeta1744316999807 {
+	name = 'AddLongdescriptionToMeta1744316999807'
+
+	async up(queryRunner) {
+			await queryRunner.query(`ALTER TABLE "meta" ADD "longDescription" character varying(4096)`);
+	}
+
+	async down(queryRunner) {
+			await queryRunner.query(`ALTER TABLE "meta" DROP COLUMN "longDescription"`);
+	}
+}
diff --git a/packages/backend/src/core/entities/MetaEntityService.ts b/packages/backend/src/core/entities/MetaEntityService.ts
index 8ca33a0b58..a2d2ee8528 100644
--- a/packages/backend/src/core/entities/MetaEntityService.ts
+++ b/packages/backend/src/core/entities/MetaEntityService.ts
@@ -75,6 +75,7 @@ export class MetaEntityService {
 			shortName: instance.shortName,
 			uri: this.config.url,
 			description: instance.description,
+			longDescription: instance.longDescription,
 			langs: instance.langs,
 			tosUrl: instance.termsOfServiceUrl,
 			repositoryUrl: instance.repositoryUrl,
diff --git a/packages/backend/src/models/Meta.ts b/packages/backend/src/models/Meta.ts
index d9b9d2f81f..6276e47618 100644
--- a/packages/backend/src/models/Meta.ts
+++ b/packages/backend/src/models/Meta.ts
@@ -211,6 +211,12 @@ export class MiMeta {
 	})
 	public registrationWord: string | null;
 
+		@Column('varchar', {
+			length: 5128,
+			nullable: true,
+		})
+	public longDescription: string | null;
+
 	@Column('varchar', {
 		length: 1024,
 		nullable: true,
diff --git a/packages/backend/src/server/api/endpoints/admin/meta.ts b/packages/backend/src/server/api/endpoints/admin/meta.ts
index c85e72779b..35e455bab8 100644
--- a/packages/backend/src/server/api/endpoints/admin/meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/meta.ts
@@ -497,6 +497,10 @@ export const meta = {
 				type: 'string',
 				optional: false, nullable: true,
 			},
+			longDescription: {
+				type: 'string',
+				optional: false, nullable: true,
+			},
 			disableRegistration: {
 				type: 'boolean',
 				optional: false, nullable: false,
@@ -654,6 +658,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				shortName: instance.shortName,
 				uri: this.config.url,
 				description: instance.description,
+				longDescription: instance.longDescription,
 				langs: instance.langs,
 				tosUrl: instance.termsOfServiceUrl,
 				repositoryUrl: instance.repositoryUrl,
diff --git a/packages/backend/src/server/api/endpoints/admin/update-meta.ts b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
index 7d07d4a3b5..4868fceb89 100644
--- a/packages/backend/src/server/api/endpoints/admin/update-meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
@@ -67,6 +67,7 @@ export const paramDef = {
 		name: { type: 'string', nullable: true },
 		shortName: { type: 'string', nullable: true },
 		description: { type: 'string', nullable: true },
+		longDescription: { type:'string', nullable: true },
 		defaultLightTheme: { type: 'string', nullable: true },
 		defaultDarkTheme: { type: 'string', nullable: true },
 		defaultLike: { type: 'string' },
@@ -331,6 +332,10 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				set.description = ps.description;
 			}
 
+			if (ps.longDescription !== undefined) {
+				set.longDescription = ps.longDescription;
+			}
+
 			if (ps.defaultLightTheme !== undefined) {
 				set.defaultLightTheme = ps.defaultLightTheme;
 			}
diff --git a/packages/frontend/src/pages/admin/settings.vue b/packages/frontend/src/pages/admin/settings.vue
index c64d602e8b..13b21b1499 100644
--- a/packages/frontend/src/pages/admin/settings.vue
+++ b/packages/frontend/src/pages/admin/settings.vue
@@ -28,6 +28,10 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<template #label>{{ i18n.ts.instanceDescription }}<span v-if="infoForm.modifiedStates.description" class="_modified">{{ i18n.ts.modified }}</span></template>
 					</MkTextarea>
 
+					<MkTextarea v-model="infoForm.state.longDescription">
+						<template #label>Long instance description<span v-if="infoForm.modifiedStates.longDescription" class="_modified">{{ i18n.ts.modified }}</span></template>
+					</MkTextarea>
+
 					<FormSplit :minWidth="300">
 						<MkInput v-model="infoForm.state.maintainerName">
 							<template #label>{{ i18n.ts.maintainerName }}<span v-if="infoForm.modifiedStates.maintainerName" class="_modified">{{ i18n.ts.modified }}</span></template>
@@ -318,6 +322,7 @@ const infoForm = useForm({
 	name: meta.name ?? '',
 	shortName: meta.shortName ?? '',
 	description: meta.description ?? '',
+	longDescription: meta.longDescription ?? '',
 	maintainerName: meta.maintainerName ?? '',
 	maintainerEmail: meta.maintainerEmail ?? '',
 	tosUrl: meta.tosUrl ?? '',
@@ -331,6 +336,7 @@ const infoForm = useForm({
 		name: state.name,
 		shortName: state.shortName === '' ? null : state.shortName,
 		description: state.description,
+		longDescription: state.longDescription,
 		maintainerName: state.maintainerName,
 		maintainerEmail: state.maintainerEmail,
 		tosUrl: state.tosUrl,