diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index 8ccb90628..0a049964e 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -30,4 +30,39 @@
     <string name="images">Delweddau</string>
     <string name="videos">Fideos</string>
     <string name="raw_images">delweddau RAW</string>
+    <string name="image_editing_failed">Wedi methu golygu llun</string>
+    <string name="manage_included_folders">Rheoli ffolderi cynwysiedig</string>
+    <string name="add_folder">Ychwanegu ffolder</string>
+    <string name="resize_and_save">Ailfeintio gosodiad a\'i gadw</string>
+    <string name="rotate">Troi</string>
+    <string name="flip_vertically">Cildroi\'n fertigol</string>
+    <string name="free_aspect_ratio">Rhydd</string>
+    <string name="hidden_folders">Ffolderi cudd</string>
+    <string name="manage_hidden_folders">Rheoli ffolderi cudd</string>
+    <string name="change_filters_underlined"><u>Newid hidlyddion</u></string>
+    <string name="include_folders">Ffolderi cynwysiedig</string>
+    <string name="width">Lled</string>
+    <string name="height">Uchder</string>
+    <string name="editor">Golygydd</string>
+    <string name="basic_editor">Golygydd Syml</string>
+    <string name="advanced_editor">Golygydd Uwch</string>
+    <string name="video_editing_failed">Wedi methu golygu fideo</string>
+    <string name="image_editing_cancelled">Wedi diddymu golygu llun</string>
+    <string name="video_editing_cancelled">Wedi diddymu golygu fideo</string>
+    <string name="edit_image_with">Golygu llun gyda:</string>
+    <string name="edit_video_with">Golygu fideo gyda:</string>
+    <string name="rotate_left">Troi i\'r chwith</string>
+    <string name="rotate_right">Troi i\'r dde</string>
+    <string name="rotate_one_eighty">Troi 180°</string>
+    <string name="transform">Trawsnewid</string>
+    <string name="crop">Tocio</string>
+    <string name="draw">Peintio</string>
+    <string name="flip">Cildroi</string>
+    <string name="flip_horizontally">Cildroi\'n llorweddol</string>
+    <string name="other_aspect_ratio">Arall</string>
+    <string name="wallpaper">Papur wal</string>
+    <string name="set_as_wallpaper">Gosod fel papur wal</string>
+    <string name="set_as_wallpaper_failed">Wedi methu gosod fel papur wal</string>
+    <string name="set_as_wallpaper_with">Gosod fel papur wal gyda:</string>
+    <string name="setting_wallpaper">Yn gosod y papur wal…</string>
 </resources>
\ No newline at end of file