diff --git a/i18n/nl.json b/i18n/nl.json
index ef2cf9879..4fb7f822b 100644
--- a/i18n/nl.json
+++ b/i18n/nl.json
@@ -5,13 +5,15 @@
 			"SPQRobin",
 			"Siebrand",
 			"Sjoerddebruin",
-			"Southparkfan"
+			"Southparkfan",
+			"Romaine"
 		]
 	},
 	"multimediaviewer-desc": "Miniatuurafbeeldingen schermvullend weergeven.",
 	"multimediaviewer-desc-nil": "Geen omschrijving beschikbaar.",
 	"multimediaviewer-pref": "Mediaviewer",
 	"multimediaviewer-pref-desc": "Verbeteren uw multimediaervaring met dit nieuwe instrument. Afbeeldingen worden groter weergegeven op pagina's met miniaturen. Afbeeldingen worden schermvullend weergegeven en kunnen ook worden bekeken op ware grootte.",
+	"multimediaviewer-optin-pref": "Nieuwe media-kijkervaring aanzetten",
 	"multimediaviewer-file-page": "Naar de bestandspagina gaan",
 	"multimediaviewer-repository": "Meer informatie over $1",
 	"multimediaviewer-repository-local": "Lees meer",
diff --git a/i18n/zh-hans.json b/i18n/zh-hans.json
index b571ca198..c9a76ed9f 100644
--- a/i18n/zh-hans.json
+++ b/i18n/zh-hans.json
@@ -10,28 +10,28 @@
 		]
 	},
 	"multimediaviewer-desc": "在全屏界面中以较大尺寸显示缩略图。",
-	"multimediaviewer-desc-nil": "没有说明。",
-	"multimediaviewer-pref": "媒体文件查看器",
+	"multimediaviewer-desc-nil": "没有可用的描述。",
+	"multimediaviewer-pref": "媒体查看器",
 	"multimediaviewer-pref-desc": "使用这个新工具改善你的多媒体浏览体验。它能以更大的尺寸显示页面中的缩略图。图像将显示于一个漂亮的全屏界面浮层中，并能以完整尺寸查看。",
 	"multimediaviewer-optin-pref": "启用新媒体查看体验",
-	"multimediaviewer-file-page": "前往对应的文件页面",
+	"multimediaviewer-file-page": "转到相应的文件页",
 	"multimediaviewer-repository": "在$1了解详情",
-	"multimediaviewer-repository-local": "了解更多",
-	"multimediaviewer-datetime-created": "创作时间：$1",
-	"multimediaviewer-datetime-uploaded": "上传时间：$1",
-	"multimediaviewer-userpage-link": "{{GENDER:$2|上传者}}：$1",
-	"multimediaviewer-metadata-error": "出错：无法载入图像数据。$1",
-	"multimediaviewer-thumbnail-error": "出错：无法载入缩略图数据。$1",
-	"multimediaviewer-license-cc-pd": "公共领域",
-	"multimediaviewer-license-pd": "公共领域",
+	"multimediaviewer-repository-local": "了解详情",
+	"multimediaviewer-datetime-created": "创建于$1",
+	"multimediaviewer-datetime-uploaded": "上传于$1",
+	"multimediaviewer-userpage-link": "由$1{{GENDER:$2|上传}}",
+	"multimediaviewer-metadata-error": "错误: 无法加载图像数据。$1",
+	"multimediaviewer-thumbnail-error": "错误: 无法加载缩略图数据。$1",
+	"multimediaviewer-license-cc-pd": "公有领域",
+	"multimediaviewer-license-pd": "公有领域",
 	"multimediaviewer-license-default": "查看许可协议",
 	"multimediaviewer-permission-title": "许可协议详情",
 	"multimediaviewer-permission-link": "查看条款",
 	"multimediaviewer-permission-viewmore": "查看更多",
-	"multimediaviewer-about-mmv": "关于媒体文件查看器",
+	"multimediaviewer-about-mmv": "关于媒体查看器",
 	"multimediaviewer-discuss-mmv": "讨论此功能",
 	"multimediaviewer-help-mmv": "帮助",
-	"multimediaviewer-geolocation": "位置：$1",
+	"multimediaviewer-geolocation": "位于：$1",
 	"multimediaviewer-fileusage-count": "在$1个{{PLURAL:$1|页面}}中使用",
 	"multimediaviewer-fileusage-count-more": "在超过$1个{{PLURAL:$1|页面}}中使用",
 	"multimediaviewer-fileusage-link": "查看所有用途",
@@ -45,11 +45,11 @@
 	"multimediaviewer-download-preview-link-title": "在浏览器中预览",
 	"multimediaviewer-download-original-button-name": "下载原始尺寸",
 	"multimediaviewer-download-small-button-name": "下载小尺寸",
-	"multimediaviewer-download-medium-button-name": "下载中尺寸",
+	"multimediaviewer-download-medium-button-name": "下载中等尺寸",
 	"multimediaviewer-download-large-button-name": "下载大尺寸",
-	"multimediaviewer-link-to-page": "至文件说明页面的链接",
-	"multimediaviewer-link-to-file": "至原始文件的链接",
-	"multimediaviewer-share-explanation": "复制并自由分享链接",
+	"multimediaviewer-link-to-page": "链接到文件描述页",
+	"multimediaviewer-link-to-file": "链接到原始文件",
+	"multimediaviewer-share-explanation": "复制并自由分享本链接",
 	"multimediaviewer-embed-wt": "wiki文本",
 	"multimediaviewer-embed-html": "HTML",
 	"multimediaviewer-embed-explanation": "使用这些代码嵌入该文件",
@@ -72,8 +72,8 @@
 	"multimediaviewer-embed-dimensions": "$1 × $2 像素",
 	"multimediaviewer-embed-dimensions-separated": "- $1",
 	"multimediaviewer-feedback-button-text": "你对该工具的反馈",
-	"multimediaviewer-feedback-popup-text": "留下关于这种新的媒体文件查看体验的反馈",
-	"multimediaviewer-description-page-button-text": "更多详细信息",
+	"multimediaviewer-feedback-popup-text": "留下关于这种新的媒体查看体验的反馈",
+	"multimediaviewer-description-page-button-text": "详情",
 	"multimediaviewer-description-page-popup-text": "$1上的更多详细信息",
 	"multimediaviewer-commons-subtitle": "自由媒体的存储库",
 	"multimediaviewer-view-expanded": "展开视图"