diff --git a/packages/frontend/package.json b/packages/frontend/package.json
index 2e27f9e99c..f579da3cbb 100644
--- a/packages/frontend/package.json
+++ b/packages/frontend/package.json
@@ -70,6 +70,7 @@
 		"twemoji-parser": "14.0.0",
 		"typescript": "5.2.2",
 		"uuid": "9.0.1",
+		"v-code-diff": "^1.7.1",
 		"vanilla-tilt": "1.8.1",
 		"vite": "4.4.9",
 		"vue": "3.3.4",
diff --git a/packages/frontend/src/pages/admin/modlog.ModLog.vue b/packages/frontend/src/pages/admin/modlog.ModLog.vue
index 3a474f73a8..ce7b89f8f7 100644
--- a/packages/frontend/src/pages/admin/modlog.ModLog.vue
+++ b/packages/frontend/src/pages/admin/modlog.ModLog.vue
@@ -16,7 +16,18 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<div :class="$style.root">
 		<div>{{ i18n.ts.moderator }}: {{ log.userId }}</div>
 
-		<template v-if="log.type === 'suspend'">
+		<template v-if="log.type === 'updateServerSettings'">
+			<div :class="$style.diff">
+				<CodeDiff :oldString="JSON5.stringify(log.info.before, null, '\t')" :newString="JSON5.stringify(log.info.after, null, '\t')" language="javascript" maxHeight="300px"/>
+			</div>
+		</template>
+		<template v-else-if="log.type === 'updateUserNote'">
+			<div>{{ i18n.ts.user }}: {{ log.info.userId }}</div>
+			<div :class="$style.diff">
+				<CodeDiff :oldString="log.info.before ?? ''" :newString="log.info.after ?? ''" maxHeight="300px"/>
+			</div>
+		</template>
+		<template v-else-if="log.type === 'suspend'">
 			<div>{{ i18n.ts.user }}: {{ log.info.targetId }}</div>
 		</template>
 		<template v-else-if="log.type === 'unsuspend'">
@@ -36,6 +47,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import * as Misskey from 'misskey-js';
+import { CodeDiff } from 'v-code-diff';
+import JSON5 from 'json5';
 import * as os from '@/os.js';
 import { i18n } from '@/i18n.js';
 import { dateString } from '@/filters/date.js';
@@ -54,4 +67,11 @@ const props = defineProps<{
 	width: 18px;
 	height: 18px;
 }
+
+.diff {
+	background: #fff;
+	color: #000;
+	border-radius: 6px;
+	overflow: clip;
+}
 </style>
diff --git a/packages/frontend/src/pages/admin/modlog.vue b/packages/frontend/src/pages/admin/modlog.vue
index da043f1b8f..4b5ef5f771 100644
--- a/packages/frontend/src/pages/admin/modlog.vue
+++ b/packages/frontend/src/pages/admin/modlog.vue
@@ -12,7 +12,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkSelect v-model="type" style="margin: 0; flex: 1;">
 					<template #label>{{ i18n.ts.type }}</template>
 					<option :value="null">{{ i18n.ts.all }}</option>
-					<option v-for="t in Misskey.moderationLogTypes" :key="t" :value="t">{{ t }}</option>
+					<option v-for="t in Misskey.moderationLogTypes" :key="t" :value="t">{{ i18n.ts._moderationLogTypes[t] ?? t }}</option>
 				</MkSelect>
 				<MkInput v-model="moderatorId" style="margin: 0; flex: 1;">
 					<template #label>{{ i18n.ts.moderator }}(ID)</template>
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0297fdab6d..deb08b1027 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -802,6 +802,9 @@ importers:
       uuid:
         specifier: 9.0.1
         version: 9.0.1
+      v-code-diff:
+        specifier: ^1.7.1
+        version: 1.7.1(vue@3.3.4)
       vanilla-tilt:
         specifier: 1.8.1
         version: 1.8.1
@@ -10523,6 +10526,10 @@ packages:
       - supports-color
     dev: true
 
+  /diff-match-patch@1.0.5:
+    resolution: {integrity: sha512-IayShXAgj/QMXgB0IWmKx+rOPuGMhqm5w6jvFxmVenXKIzRqTAAsbBPT3kWQeGANj3jGgvcvv4yK6SxqYmikgw==}
+    dev: false
+
   /diff-sequences@28.1.1:
     resolution: {integrity: sha512-FU0iFaH/E23a+a718l8Qa/19bF9p06kgE0KipMOMadwa3SjnaElKzPaUC0vnibs6/B/9ni97s61mcejk8W1fQw==}
     engines: {node: ^12.13.0 || ^14.15.0 || ^16.10.0 || >=17.0.0}
@@ -10536,7 +10543,6 @@ packages:
   /diff@5.1.0:
     resolution: {integrity: sha512-D+mk+qE8VC/PAUrlAU34N+VfXev0ghe5ywmpqrawphmVZc1bEfn56uo9qpyGp1p4xpzOHkSW4ztBd6L7Xx4ACw==}
     engines: {node: '>=0.3.1'}
-    dev: true
 
   /dijkstrajs@1.0.2:
     resolution: {integrity: sha512-QV6PMaHTCNmKSeP6QoXhVTw9snc9VD8MulTT0Bd99Pacp4SS1cjcrYPgBPmibqKVtMJJfqC6XvOXgPMEEPH/fg==}
@@ -12361,6 +12367,11 @@ packages:
   /highlight.js@10.7.3:
     resolution: {integrity: sha512-tzcUFauisWKNHaRkN4Wjl/ZA07gENAjFl3J/c480dprkGTg5EQstgaNFqBfUqCq54kZRIEcreTsAgF/m2quD7A==}
 
+  /highlight.js@11.8.0:
+    resolution: {integrity: sha512-MedQhoqVdr0U6SSnWPzfiadUcDHfN/Wzq25AkXiQv9oiOO/sG0S7XkvpFIqWBl9Yq1UYyYOOVORs5UW2XlPyzg==}
+    engines: {node: '>=12.0.0'}
+    dev: false
+
   /hosted-git-info@2.8.9:
     resolution: {integrity: sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw==}
     dev: true
@@ -18891,6 +18902,23 @@ packages:
     resolution: {integrity: sha512-b+1eJOlsR9K8HJpow9Ok3fiWOWSIcIzXodvv0rQjVoOVNpWMpxf1wZNpt4y9h10odCNrqnYp1OBzRktckBe3sA==}
     hasBin: true
 
+  /v-code-diff@1.7.1(vue@3.3.4):
+    resolution: {integrity: sha512-2O34z6DcVw3LygR9Xl07A28115nsps56dCH6zxFMLoW1jyEnWFPN7Kwh0GAYAeWzDiltbqsMWgvfqJYjBEZPgw==}
+    requiresBuild: true
+    peerDependencies:
+      '@vue/composition-api': ^1.4.9
+      vue: ^2.6.0 || >=3.0.0
+    peerDependenciesMeta:
+      '@vue/composition-api':
+        optional: true
+    dependencies:
+      diff: 5.1.0
+      diff-match-patch: 1.0.5
+      highlight.js: 11.8.0
+      vue: 3.3.4
+      vue-demi: 0.13.11(vue@3.3.4)
+    dev: false
+
   /v8-to-istanbul@9.1.0:
     resolution: {integrity: sha512-6z3GW9x8G1gd+JIIgQQQxXuiJtCXeAjp6RaPEPLv62mH3iPHPxV6W3robxtCzNErRo6ZwTmzWhsbNvjyEBKzKA==}
     engines: {node: '>=10.12.0'}
@@ -19077,6 +19105,21 @@ packages:
     resolution: {integrity: sha512-zbCQviVRexZ7NF2kizQq5LicG5QGXPHPALKE3t59f5q2FwaG9GKtdhhIV4rw4LDUm9RkvGAP8TSXlXcBWY8rFQ==}
     dev: true
 
+  /vue-demi@0.13.11(vue@3.3.4):
+    resolution: {integrity: sha512-IR8HoEEGM65YY3ZJYAjMlKygDQn25D5ajNFNoKh9RSDMQtlzCxtfQjdQgv9jjK+m3377SsJXY8ysq8kLCZL25A==}
+    engines: {node: '>=12'}
+    hasBin: true
+    requiresBuild: true
+    peerDependencies:
+      '@vue/composition-api': ^1.0.0-rc.1
+      vue: ^3.0.0-0 || ^2.6.0
+    peerDependenciesMeta:
+      '@vue/composition-api':
+        optional: true
+    dependencies:
+      vue: 3.3.4
+    dev: false
+
   /vue-docgen-api@4.64.1(vue@3.3.4):
     resolution: {integrity: sha512-jbOf7ByE3Zvtuk+429Jorl+eIeh2aB2Fx1GUo3xJd1aByJWE8KDlSEa6b11PB1ze8f0sRUBraRDinICCk0KY7g==}
     dependencies: