diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index ac6b226bb..f008bcbfb 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -6,7 +6,7 @@
     <string name="open_camera">Agor y camera</string>
     <string name="hidden">(cudd)</string>
     <string name="show_all">Dangos cynnwys o bob ffolder</string>
-    <string name="excluded">(wedi\'i allgáu)</string>
+    <string name="excluded">(wedi\'i eithrio)</string>
     <string name="pin_folder">Pinio\'r ffolder</string>
     <string name="unpin_folder">Dadbinio\'r ffolder</string>
     <string name="all_folders">Pob ffolder</string>
@@ -134,8 +134,33 @@
     <string name="slideshow_ended">Daeth y sleidsioe i ben</string>
     <string name="do_not_group_files">Peidio â grwpio ffeiliau</string>
     <string name="show_thumbnail_video_duration">Dangos hyd fideo</string>
-    <string name="deep_zoomable_images">Galluogi chwyddo dwfn ar ddelweddau</string>
+    <string name="deep_zoomable_images">Chwyddo delwedd dwfn</string>
     <string name="show_highest_quality">Dangos delweddau yn yr ansawdd uchaf posibl</string>
     <string name="mark_favorite_items">Dynodi ffefrynnau</string>
     <string name="thumbnail_spacing">Bylchiad rhwng cryno-luniau</string>
+    <string name="image_edited_successfully">Wedi golygu\'r delwedd yn llwyddiannus</string>
+    <string name="video_edited_successfully">Wedi golygu\'r fideo\'n llwyddiannus</string>
+    <string name="no_image_editor_found">Ni chanfuwyd golygydd delwedd</string>
+    <string name="no_video_editor_found">Ni chanfuwyd golygydd fideo</string>
+    <string name="unknown_file_location">Lleoliad ffeil anhysbys</string>
+    <string name="wallpaper_set_successfully">Wedi gosod y papur wal yn llwyddiannus</string>
+    <string name="portrait_aspect_ratio">Cymhareb agwedd portread</string>
+    <string name="landscape_aspect_ratio">Cymhareb agwedd tirlun</string>
+    <string name="screen_rotation_by">Troi cyfryngau sgrin lawn yn ôl</string>
+    <string name="exclude_folder_parent">Eithrio rhiant yn hytrach?</string>
+    <string name="animate_gifs">Animeiddio GIFs mewn cryno-luniau</string>
+    <string name="allow_deep_zooming_images">Galluogi chwyddo dwfn ar ddelweddau</string>
+    <string name="folder_thumbnail_style">Arddull cryno-lun ffolder</string>
+    <string name="show_file_count_none">Peidio â dangos cyfanswm ffeiliau</string>
+    <string name="failed_to_load_media">Wedi methu â llwytho cyfryngau</string>
+    <string name="file_edited_successfully">Wedi golygu\'r ffeil yn llwyddiannus</string>
+    <string name="group_direct_subfolders">Grwpio is-ffolderi uniongyrchol</string>
+    <string name="autoplay_videos">Chwarae fideos yn awtomatig</string>
+    <string name="show_notch">Dangos notch os yw ar gael</string>
+    <string name="file_loading_priority">Blaenoriaeth llwytho ffeiliau</string>
+    <string name="show_image_file_types">Dangos estyniadau ffeil ar ddelweddau</string>
+    <string name="file_thumbnail_style">Arddull cryno-lun ffeil</string>
+    <string name="reorder_by_dragging">Aildrefnu ffolderi drwy lusgo</string>
+    <string name="paths_imported_successfully">Wedi mewnforio\'r llwybrau\'n llwyddiannus</string>
+    <string name="toggle_file_visibility">Newid gwelededd y ffeil</string>
 </resources>
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