diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index 0e0597ff8..c63cf09c5 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -3,7 +3,7 @@
     <string name="share_resized">Rhannu fersiwn wedi\'i ailfeintio</string>
     <string name="app_launcher_name">Oriel</string>
     <string name="edit">Golygu</string>
-    <string name="open_camera">Agor camera</string>
+    <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>
@@ -11,7 +11,7 @@
     <string name="unpin_folder">Dadbinio\'r ffolder</string>
     <string name="all_folders">Pob ffolder</string>
     <string name="other_folder">Ffolder arall</string>
-    <string name="show_on_map">Dangos ar fap</string>
+    <string name="show_on_map">Dangos ar y map</string>
     <string name="unknown_location">Lleoliad anhysbys</string>
     <string name="volume">Uchder sain</string>
     <string name="brightness">Disgleirdeb</string>
@@ -19,9 +19,9 @@
     <string name="unlock_orientation">Datgloi\'r gorweddiad</string>
     <string name="change_orientation">Newid y gorweddiad</string>
     <string name="force_portrait">Gorfodi darlun</string>
-    <string name="force_landscape">Gorfodi tirwedd</string>
+    <string name="force_landscape">Gorfodi tirlun</string>
     <string name="use_default_orientation">Defnyddio gorweddiad diofyn</string>
-    <string name="fix_date_taken">Cywiro gwerth Dyddiad Wedi\'i Gymryd</string>
+    <string name="fix_date_taken">Cywiro gwerth Dyddiad Tynnwyd</string>
     <string name="fixing">Yn cywiro…</string>
     <string name="dates_fixed_successfully">Dyddiadau wedi\'u cywiro\'n llwyddiannus</string>
     <string name="set_as_default_folder">Gosod fel ffolder ddiofyn</string>
@@ -30,8 +30,8 @@
     <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="image_editing_failed">Wedi methu golygu delwedd</string>
+    <string name="manage_included_folders">Rheoli ffolderi cynwysedig</string>
     <string name="add_folder">Ychwanegu ffolder</string>
     <string name="resize_and_save">Ailfeintio gosodiad a\'i gadw</string>
     <string name="rotate">Troi</string>
@@ -40,16 +40,16 @@
     <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="include_folders">Ffolderi cynwysedig</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="image_editing_cancelled">Wedi diddymu golygu delwedd</string>
     <string name="video_editing_cancelled">Wedi diddymu golygu fideo</string>
-    <string name="edit_image_with">Golygu llun gyda:</string>
+    <string name="edit_image_with">Golygu delwedd 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>
@@ -89,8 +89,18 @@
     <string name="show_recycle_bin">Dangos y Bin Ailgylchu ar sgrin y ffolderi</string>
     <string name="show_recycle_bin_last">Dangos y Bin Ailgylchu fel eitem ddiwethaf ar y prif sgrin</string>
     <string name="extended_details">Manylion uwch</string>
-    <string name="manage_bottom_actions">Rheoli gweithredoedd­ gwaelod gweladwy</string>
+    <string name="manage_bottom_actions">Rheoli gweithredoedd gwaelod gweladwy</string>
     <string name="include_photos">Cynnwys lluniau</string>
-    <string name="random_order">Trefn hap</string>
+    <string name="random_order">Trefn ar hap</string>
     <string name="delete_empty_folders">Dileu ffolderi gwag ar ôl dileu eu cynnwys</string>
+    <string name="max_brightness">Defnyddio disgleirdeb mwyaf wrth edrych ar gyfryngau sgrin lawn</string>
+    <string name="allow_photo_gestures">Caniatáu rheoli disgleirdeb y llun gydag ystumiau fertigol</string>
+    <string name="allow_video_gestures">Caniatáu rheoli uchder sain y fideo a disgleirdeb gydag ystumiau fertigol</string>
+    <string name="folder_view">Newid i\'r golwg ffolder</string>
+    <string name="no_date_takens_found">Ni chanfuwyd unrhyw werthoedd Dyddiad Tynnwyd</string>
+    <string name="switch_to_file_search">Newid i chwilio ffeiliau ar draws pob ffolder weladwy</string>
+    <string name="resize_multiple_images">Ailfeintio mwy nag un delwedd</string>
+    <string name="resize_factor">ffactor ailfeintio</string>
+    <string name="resize_factor_info">Ailfeintio delweddau i\'r ganran a rhoddir. Rhaid i\'r gwerth fod rhwng 10 a 90.</string>
+    <string name="images_resized_successfully">Wedi ailfeintio\'r delweddau\'n llwyddiannus</string>
 </resources>
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