diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index 688020f1e..10ca39051 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -257,45 +257,45 @@
     <string name="toast_unfollow">Nid yw\'r cyfrif yn cael ei ddilyn mwyach!</string>
     <string name="toast_reblog">Mae\'r tŵt wedi\'i hybu!</string>
     <string name="toast_unreblog">Nid yw\'r tŵt wedi\'i hybu mwyach!</string>
-    <string name="toast_favourite">The toot was added to your favourites!</string>
-    <string name="toast_unfavourite">The toot was removed from your favourites!</string>
-    <string name="toast_report">The toot was reported!</string>
-    <string name="toast_unstatus">The toot was deleted!</string>
-    <string name="toast_pin">The toot was pinned!</string>
-    <string name="toast_unpin">The toot was unpinned!</string>
-    <string name="toast_error">Roedd gwall!</string>
-    <string name="toast_code_error">An error occurred! The instance did not return an authorisation code!</string>
-    <string name="toast_error_instance">The instance domain does not seem to be valid!</string>
-    <string name="toast_error_loading_account">An error occurred while switching between accounts!</string>
-    <string name="toast_error_search">An error occurred while searching!</string>
-    <string name="toast_error_login">Can not log in!</string>
-    <string name="toast_update_credential_ok">The profile data have been saved!</string>
-    <string name="nothing_to_do">No action can be taken</string>
-    <string name="toast_saved">The media has been saved!</string>
-    <string name="toast_error_translate">An error occurred while translating!</string>
-    <string name="toast_toot_saved">Draft saved!</string>
-    <string name="toast_error_char_limit">Are you sure this instance allows this number of characters? Usually, this value is close to 500 characters.</string>
-    <string name="toast_visibility_changed">Visibility of the toots has been changed for the account %1$s</string>
-    <string name="toast_empty_search">Instance name and screen name cannot be blank!</string>
+    <string name="toast_favourite">Ychwanegwyd y tŵt i\'ch ffefrynnau!</string>
+    <string name="toast_unfavourite">Dilewyd y tŵt o\'ch ffefrynnau!</string>
+    <string name="toast_report">Cwynwyd am y tŵt!</string>
+    <string name="toast_unstatus">Dilewyd y tŵt!</string>
+    <string name="toast_pin">Piniwyd y tŵt!</string>
+    <string name="toast_unpin">Dad-biniwyd y tŵt!</string>
+    <string name="toast_error">Wps! Aeth rhywbeth o\'i le!</string>
+    <string name="toast_code_error">Aeth rhywbeth o\'i le! Ni wnaeth yr achos ddychwelyd cod awdurdodi!</string>
+    <string name="toast_error_instance">Ymddengys nad yw parth yr achos yn un dilys!</string>
+    <string name="toast_error_loading_account">Aeth rhywbeth o\'i le tra\'n symud rhwng cyfrifoedd!</string>
+    <string name="toast_error_search">Aeth rhywbeth o\'i le tra\'n chwilio!</string>
+    <string name="toast_error_login">Methwyd i fewngofnodi!</string>
+    <string name="toast_update_credential_ok">Arbedwyd data y proffil!</string>
+    <string name="nothing_to_do">Ni ellir gwneud dim</string>
+    <string name="toast_saved">Arbedwyd y cyfryngau!</string>
+    <string name="toast_error_translate">Aeth rhywbeth o\'i le tra\'n cyfieithu!</string>
+    <string name="toast_toot_saved">Arbedwyd y drafft!</string>
+    <string name="toast_error_char_limit">Ydych chi\'n siwr fyd yr achos hwn yn caniatau y nifer hyn o nodau? Fel arfer, tua 500 o nodau yw\'r nifer a ganiateir.</string>
+    <string name="toast_visibility_changed">Gwelededd y tŵtiau wedi ei newid ar gyfer y cyfrif %1$s</string>
+    <string name="toast_empty_search">Ni all enw\'r achos na enw\'r sgrîn fod yn wag!</string>
     <!-- Settings -->
-    <string name="settings_title_optimisation">Optimisation of loading</string>
-    <string name="set_toots_page">Number of toots per load</string>
-    <string name="set_accounts_page">Number of accounts per load</string>
-    <string name="set_notifications_page">Number of notifications per load</string>
-    <string name="set_attachment_always">Always</string>
+    <string name="settings_title_optimisation">Optimeiddio llwytho</string>
+    <string name="set_toots_page">Nifer y tŵtiau i bob llwythiad</string>
+    <string name="set_accounts_page">Nifer o gyfrifoedd i bob llwythiad</string>
+    <string name="set_notifications_page">Nifer y hysbysiadau i bob llwythiad</string>
+    <string name="set_attachment_always">Bob tro</string>
     <string name="set_attachment_wifi">WIFI</string>
-    <string name="set_attachment_ask">Ask</string>
-    <string name="set_attachment_action">Load the media</string>
-    <string name="load_attachment">Load the pictures</string>
+    <string name="set_attachment_ask">Gofyn</string>
+    <string name="set_attachment_action">Llwytho\'r cyfryngau</string>
+    <string name="load_attachment">Llwytho\'r lluniau</string>
     <string name="load_attachment_spoiler">Dangos mwy…</string>
     <string name="load_attachment_spoiler_less">Dangos llai…</string>
     <string name="load_sensitive_attachment">Cynnwys sensitif</string>
     <string name="set_display_reply">Dangos negeseuon cynt yn yr ymatebion</string>
     <string name="set_display_local">Dangos ffrwd leol</string>
     <string name="set_display_global">Dangos ffrwd y ffederasiwn</string>
-    <string name="set_disable_gif">Disable GIF avatars</string>
-    <string name="set_folder_title">Path: </string>
-    <string name="set_auto_store_toot">Save drafts automatically</string>
+    <string name="set_disable_gif">Diffodd avatars GIF</string>
+    <string name="set_folder_title">Llwybr: </string>
+    <string name="set_auto_store_toot">Arbed drafft yn ddiofyn</string>
     <string name="set_bubble_counter">Display counters</string>
     <string name="set_auto_add_media_url">Add URL of media in toots</string>
     <string name="settings_title_notifications">Manage notifications</string>
@@ -313,10 +313,10 @@
     <string name="set_night_mode">Night mode</string>
     <string name="set_nsfw_timeout">NSFW view timeout (seconds, 0 means off)</string>
     <string name="settings_title_profile">Golygu proffil</string>
-    <string name="set_profile_description">Bio…</string>
-    <string name="set_lock_account">Lock account</string>
-    <string name="set_save_changes">Save changes</string>
-    <string name="set_header_picture_overlay">Choose a header picture</string>
+    <string name="set_profile_description">Bywgraffiad…</string>
+    <string name="set_lock_account">Cloi\'r cyfrif</string>
+    <string name="set_save_changes">Arbed newidiadau</string>
+    <string name="set_header_picture_overlay">Dewis llun pennawd</string>
     <string name="set_fit_preview">Fit preview images</string>
     <string name="set_automatically_split_toot">Automatically split toots over 500 chars in replies</string>
     <string name="note_no_space">You have reached the 160 characters allowed!</string>