diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index e8bf1ca28..001ff407a 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -417,6 +417,8 @@ promote: "プロモート"
 numberOfDays: "日数"
 hideThisNote: "このノートを非表示"
 showFeaturedNotesInTimeline: "タイムラインにおすすめのノートを表示する"
+objectStorage: "オブジェクトストレージ"
+useObjectStorage: "オブジェクトストレージを使用"
 
 _ago:
   unknown: "謎"
diff --git a/src/client/pages/instance/settings.vue b/src/client/pages/instance/settings.vue
index 93b9f665e..757210871 100644
--- a/src/client/pages/instance/settings.vue
+++ b/src/client/pages/instance/settings.vue
@@ -61,10 +61,10 @@
 		<div class="_content">
 			<mk-switch v-model="enableServiceWorker">{{ $t('enableServiceworker') }}<template #desc>{{ $t('serviceworkerInfo') }}</template></mk-switch>
 			<template v-if="enableServiceWorker">
-				<mk-horizon-group inputs class="fit-bottom">
+				<div class="_inputs">
 					<mk-input v-model="swPublicKey" :disabled="!enableServiceWorker"><template #icon><fa :icon="faKey"/></template>Public key</mk-input>
 					<mk-input v-model="swPrivateKey" :disabled="!enableServiceWorker"><template #icon><fa :icon="faKey"/></template>Private key</mk-input>
-				</mk-horizon-group>
+				</div>
 			</template>
 		</div>
 		<div class="_footer">
@@ -97,6 +97,33 @@
 		</div>
 	</section>
 
+	<section class="_card">
+		<div class="_title"><fa :icon="faCloud"/> {{ $t('objectStorage') }}</div>
+		<div class="_content">
+			<mk-switch v-model="useObjectStorage">{{ $t('useObjectStorage') }}</mk-switch>
+			<template v-if="useObjectStorage">
+				<mk-input v-model="objectStorageBaseUrl" :disabled="!useObjectStorage">URL</mk-input>
+				<div class="_inputs">
+					<mk-input v-model="objectStorageBucket" :disabled="!useObjectStorage">Bucket</mk-input>
+					<mk-input v-model="objectStoragePrefix" :disabled="!useObjectStorage">Prefix</mk-input>
+				</div>
+				<mk-input v-model="objectStorageEndpoint" :disabled="!useObjectStorage">Endpoint</mk-input>
+				<div class="_inputs">
+					<mk-input v-model="objectStorageRegion" :disabled="!useObjectStorage">Region</mk-input>
+					<mk-input v-model="objectStoragePort" type="number" :disabled="!useObjectStorage">Port</mk-input>
+				</div>
+				<div class="_inputs">
+					<mk-input v-model="objectStorageAccessKey" :disabled="!useObjectStorage"><template #icon><fa :icon="faKey"/></template>Access key</mk-input>
+					<mk-input v-model="objectStorageSecretKey" :disabled="!useObjectStorage"><template #icon><fa :icon="faKey"/></template>Secret key</mk-input>
+				</div>
+				<mk-switch v-model="objectStorageUseSSL" :disabled="!useObjectStorage">SSL</mk-switch>
+			</template>
+		</div>
+		<div class="_footer">
+			<mk-button primary @click="save(true)"><fa :icon="faSave"/> {{ $t('save') }}</mk-button>
+		</div>
+	</section>
+
 	<section class="_card">
 		<div class="_title"><fa :icon="faGhost"/> {{ $t('proxyAccount') }}</div>
 		<div class="_content">
@@ -213,6 +240,16 @@ export default Vue.extend({
 			enableServiceWorker: false,
 			swPublicKey: null,
 			swPrivateKey: null,
+			useObjectStorage: false,
+			objectStorageBaseUrl: null,
+			objectStorageBucket: null,
+			objectStoragePrefix: null,
+			objectStorageEndpoint: null,
+			objectStorageRegion: null,
+			objectStoragePort: null,
+			objectStorageAccessKey: null,
+			objectStorageSecretKey: null,
+			objectStorageUseSSL: false,
 			enableTwitterIntegration: false,
 			twitterConsumerKey: null,
 			twitterConsumerSecret: null,
@@ -257,6 +294,16 @@ export default Vue.extend({
 		this.enableServiceWorker = this.meta.enableServiceWorker;
 		this.swPublicKey = this.meta.swPublickey;
 		this.swPrivateKey = this.meta.swPrivateKey;
+		this.useObjectStorage = this.meta.useObjectStorage;
+		this.objectStorageBaseUrl = this.meta.objectStorageBaseUrl;
+		this.objectStorageBucket = this.meta.objectStorageBucket;
+		this.objectStoragePrefix = this.meta.objectStoragePrefix;
+		this.objectStorageEndpoint = this.meta.objectStorageEndpoint;
+		this.objectStorageRegion = this.meta.objectStorageRegion;
+		this.objectStoragePort = this.meta.objectStoragePort;
+		this.objectStorageAccessKey = this.meta.objectStorageAccessKey;
+		this.objectStorageSecretKey = this.meta.objectStorageSecretKey;
+		this.objectStorageUseSSL = this.meta.objectStorageUseSSL;
 		this.enableTwitterIntegration = this.meta.enableTwitterIntegration;
 		this.twitterConsumerKey = this.meta.twitterConsumerKey;
 		this.twitterConsumerSecret = this.meta.twitterConsumerSecret;
@@ -341,6 +388,16 @@ export default Vue.extend({
 				enableServiceWorker: this.enableServiceWorker,
 				swPublicKey: this.swPublicKey,
 				swPrivateKey: this.swPrivateKey,
+				useObjectStorage: this.useObjectStorage,
+				objectStorageBaseUrl: this.objectStorageBaseUrl ? this.objectStorageBaseUrl : null,
+				objectStorageBucket: this.objectStorageBucket ? this.objectStorageBucket : null,
+				objectStoragePrefix: this.objectStoragePrefix ? this.objectStoragePrefix : null,
+				objectStorageEndpoint: this.objectStorageEndpoint ? this.objectStorageEndpoint : null,
+				objectStorageRegion: this.objectStorageRegion ? this.objectStorageRegion : null,
+				objectStoragePort: this.objectStoragePort ? this.objectStoragePort : null,
+				objectStorageAccessKey: this.objectStorageAccessKey ? this.objectStorageAccessKey : null,
+				objectStorageSecretKey: this.objectStorageSecretKey ? this.objectStorageSecretKey : null,
+				objectStorageUseSSL: this.objectStorageUseSSL,
 				enableTwitterIntegration: this.enableTwitterIntegration,
 				twitterConsumerKey: this.twitterConsumerKey,
 				twitterConsumerSecret: this.twitterConsumerSecret,
diff --git a/src/client/style.scss b/src/client/style.scss
index a9868a949..bdbd9a143 100644
--- a/src/client/style.scss
+++ b/src/client/style.scss
@@ -248,6 +248,32 @@ hr {
 	}
 }
 
+._inputs {
+	display: flex;
+	margin: 32px 0;
+
+	&:first-child {
+		margin-top: 8px;
+	}
+
+	&:last-child {
+		margin-bottom: 8px;
+	}
+
+	> * {
+		flex: 1;
+		margin: 0 !important;
+
+		&:not(:first-child) {
+			margin-left: 8px !important;
+		}
+
+		&:not(:last-child) {
+			margin-right: 8px !important;
+		}
+	}
+}
+
 ._shadow {
 	box-shadow: 0 8px 32px var(--shadow);