diff --git a/manifest.json b/manifest.json
index dfc9922..8ee8dd0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -27,7 +27,7 @@
                 "*://*.furbooru.org/galleries/*"
             ],
             "js": [
-                "src/content/listing.js"
+                "src/content/listing.ts"
             ],
             "css": [
                 "src/styles/content/listing.scss"
@@ -38,7 +38,7 @@
                 "*://*.furbooru.org/*"
             ],
             "js": [
-                "src/content/header.js"
+                "src/content/header.ts"
             ],
             "css": [
                 "src/styles/content/header.scss"
@@ -59,7 +59,7 @@
                 "*://*.furbooru.org/filters/*"
             ],
             "js": [
-                "src/content/tags.js"
+                "src/content/tags.ts"
             ]
         },
         {
@@ -67,7 +67,7 @@
                 "*://*.furbooru.org/images/*"
             ],
             "js": [
-                "src/content/tags-editor.js"
+                "src/content/tags-editor.ts"
             ]
         }
     ],
diff --git a/src/content/header.js b/src/content/header.ts
similarity index 100%
rename from src/content/header.js
rename to src/content/header.ts
diff --git a/src/content/listing.js b/src/content/listing.ts
similarity index 100%
rename from src/content/listing.js
rename to src/content/listing.ts
diff --git a/src/content/tags-editor.js b/src/content/tags-editor.ts
similarity index 100%
rename from src/content/tags-editor.js
rename to src/content/tags-editor.ts
diff --git a/src/content/tags.js b/src/content/tags.ts
similarity index 100%
rename from src/content/tags.js
rename to src/content/tags.ts
diff --git a/src/lib/components/FullscreenViewer.js b/src/lib/components/FullscreenViewer.ts
similarity index 100%
rename from src/lib/components/FullscreenViewer.js
rename to src/lib/components/FullscreenViewer.ts
diff --git a/src/lib/components/ImageShowFullscreenButton.js b/src/lib/components/ImageShowFullscreenButton.ts
similarity index 100%
rename from src/lib/components/ImageShowFullscreenButton.js
rename to src/lib/components/ImageShowFullscreenButton.ts
diff --git a/src/lib/components/MaintenancePopup.js b/src/lib/components/MaintenancePopup.ts
similarity index 100%
rename from src/lib/components/MaintenancePopup.js
rename to src/lib/components/MaintenancePopup.ts
diff --git a/src/lib/components/MaintenanceStatusIcon.js b/src/lib/components/MaintenanceStatusIcon.ts
similarity index 100%
rename from src/lib/components/MaintenanceStatusIcon.js
rename to src/lib/components/MaintenanceStatusIcon.ts
diff --git a/src/lib/components/MediaBoxTools.js b/src/lib/components/MediaBoxTools.ts
similarity index 100%
rename from src/lib/components/MediaBoxTools.js
rename to src/lib/components/MediaBoxTools.ts
diff --git a/src/lib/components/MediaBoxWrapper.js b/src/lib/components/MediaBoxWrapper.ts
similarity index 100%
rename from src/lib/components/MediaBoxWrapper.js
rename to src/lib/components/MediaBoxWrapper.ts
diff --git a/src/lib/components/SearchWrapper.js b/src/lib/components/SearchWrapper.ts
similarity index 100%
rename from src/lib/components/SearchWrapper.js
rename to src/lib/components/SearchWrapper.ts
diff --git a/src/lib/components/SiteHeaderWrapper.js b/src/lib/components/SiteHeaderWrapper.ts
similarity index 100%
rename from src/lib/components/SiteHeaderWrapper.js
rename to src/lib/components/SiteHeaderWrapper.ts
diff --git a/src/lib/components/TagDropdownWrapper.js b/src/lib/components/TagDropdownWrapper.ts
similarity index 100%
rename from src/lib/components/TagDropdownWrapper.js
rename to src/lib/components/TagDropdownWrapper.ts
diff --git a/src/lib/components/TagsForm.js b/src/lib/components/TagsForm.ts
similarity index 100%
rename from src/lib/components/TagsForm.js
rename to src/lib/components/TagsForm.ts
diff --git a/src/lib/components/base/BaseComponent.js b/src/lib/components/base/BaseComponent.ts
similarity index 100%
rename from src/lib/components/base/BaseComponent.js
rename to src/lib/components/base/BaseComponent.ts