diff --git a/src/_locales/sk/messages.json b/src/_locales/sk/messages.json
new file mode 100644
index 0000000..e4f6e03
--- /dev/null
+++ b/src/_locales/sk/messages.json
@@ -0,0 +1,114 @@
+{
+	"appName": {
+		"message": "Translate Selected Text",
+		"description": "The app name"
+	},
+	"appBetaName": {
+		"message": "Translate Selected Text (Beta)",
+		"description": "The beta app name"
+	},
+	"appDescription": {
+		"message": "Preložte zvýraznený text pomocou prekladača Google",
+		"description": "The app description"
+	},
+	"contextmenu_title": {
+		"message": "Preložiť označený text do...",
+		"description": "Title of the context menu that appears when a right click is done. Inside this parent item there are the target languages."
+	},
+	"contextmenu_title2": {
+		"message": "Preložiť označený text do '$language$'",
+		"description": "Title of the context menu that appears when a right click is done and there's only one language available.",
+		"placeholders": {
+			"language": {
+				"content": "$1",
+				"example": "Language to translate into."
+			}
+		}
+	},
+	"contextmenu_edit": {
+		"message": "Upraviť jazyky...",
+		"description": "Title of the item inside the 'Translate section into...' context menu which is used to go to the options page."
+	},
+	"options_welcome": {
+		"message": "Vitajte!",
+		"description": "Title of the options page which welcomes users"
+	},
+	"options_introduction": {
+		"message": "V ponuke \"Preložiť\" vyberte jazyky, ktoré chcete zobraziť.",
+		"description": "Introduction paragraph in the options page preceding the language list."
+	},
+	"options_languageselectheader": {
+		"message": "Jazyky:",
+		"description": "Header of the selected languages list."
+	},
+	"options_otheroptionsheader": {
+		"message": "Ďalšie možnosti:",
+		"description": "Subheader in the options page before the options to choose where should the translation be shown.."
+	},
+	"options_tabsoption_1": {
+		"message": "Pre každý preklad otvorte prekladač Google na novej karte.",
+		"description": "Option which defines where should the translations be shown (in this case, each translation will be opened in a new tab)."
+	},
+	"options_tabsoption_2": {
+		"message": "Namiesto otvárania viacerých kariet otvorte prekladač Google na jedinečnej karte a prepíšte posledný preklad.",
+		"description": "Option which defines where should the translations be shown (in this case, each translation will be opened in the same tab used for the previous translation, or will open a new tab if there aren't any translation tabs open)."
+	},
+	"options_tabsoption_3": {
+		"message": "Vo vyskakovacom okne otvoriť prekladač Google.",
+		"description": "Option which defines where should the translations be shown (in this case, each translation will be opened in a new popup)."
+	},
+	"options_savebutton": {
+		"message": "Uložiť",
+		"description": "Save button in the settings page"
+	},
+	"options_addlanguage": {
+		"message": "Pridať jazyk",
+		"description": "Title for the 'Add language' dialog"
+	},
+	"options_addlanguage_addbutton": {
+		"message": "Pridať",
+		"description": "'Add' button in the footer of the languages list which is used to show a dialog with a list of potential languages to add. In the dialog, this message is also shown inside a button which is used to confirm the action."
+	},
+	"options_language_label": {
+		"message": "Jazyk:",
+		"description": "Label for the language selector in the 'Add language' dialog"
+	},
+	"options_credits": {
+		"message": "Poďakovania",
+		"description": "Message for the link to the credits dialog, and also the title for the credits dialog, which shows a list of open source projects used inside the extension and a list of translators/contributors."
+	},
+	"options_credits_createdby": {
+		"message": "Rozšírenie vytvoril: <a href=\"https://www.avm99963.com/\" target=\"_blank\">@avm99963</a> (Adrià Vilanova Martínez)",
+		"description": "Text shown in the credits dialog, which shows that the extension was created by Adrià Vilanova Martínez (and their username is avm99963)."
+	},
+	"options_credits_homepage": {
+		"message": "domovská stránka",
+		"description": "Text shown for links to go to each homepage of open source projects in the credits. NOTE: put in in lowercase letters"
+	},
+	"options_credits_by": {
+		"message": "od",
+		"description": "Fragment of the author statement in an item of the credits. NOTE: put in in lowercase letters. EXAMPLE: '{{options_credits_by}} Adrià Vilanova Martínez'"
+	},
+	"options_credits_translations": {
+		"message": "Preklady",
+		"description": "Header for the section in the credits dialog which recognizes translators."
+	},
+	"options_credits_translations_paragraph": {
+		"message": "Chcel by som poďakovať nasledujúcim prispievateľom, ktorí obetavo preložili rozhranie tohto rozšírenia do mnohých jazykov:",
+		"description": "Paragraph in the 'Translations' section of the credits dialog, which recognizes translators. Following this paragraph there's a list with all the translators' names (if you've translated a string in Crowdin, you'll automatically be added to the list in the following extension update)."
+	},
+	"options_ok": {
+		"message": "OK",
+		"description": "OK button in informative dialogs, which is used to close them (no action is done when pressing these buttons)"
+	},
+	"options_cancel": {
+		"message": "Zrušiť",
+		"description": "Cancel button in the dialogs, to reject an action."
+	},
+	"notification_install_title": {
+		"message": "Ďakujeme za inštaláciu 'Translate Selected Text'"
+	},
+	"notification_install_message": {
+		"message": "Nastavte kliknutím na túto notifikáciu."
+	}
+}
diff --git a/src/json/i18n-credits.json b/src/json/i18n-credits.json
index 810fd64..ddd53fd 100644
--- a/src/json/i18n-credits.json
+++ b/src/json/i18n-credits.json
@@ -35,6 +35,19 @@
     ]
   },
   {
+    "name": "Lukas Novotny (novas78)",
+    "languages": [
+      {
+        "id": "cs",
+        "name": "Czech"
+      },
+      {
+        "id": "sk",
+        "name": "Slovak"
+      }
+    ]
+  },
+  {
     "name": "Serhiy Dmytryshyn (dies)",
     "languages": [
       {
@@ -66,7 +79,7 @@
     ]
   },
   {
-    "name": "Reza Rafsanjani (Rr8eezz4aa)",
+    "name": "Reza Rafsanjani (R3z4_Pr0gramm3r)",
     "languages": [
       {
         "id": "fa",
@@ -102,20 +115,11 @@
     ]
   },
   {
-    "name": "Ahmed Mohamed Abbas (moodfactor)",
+    "name": "Can Altıntaş (crybois)",
     "languages": [
       {
-        "id": "ar",
-        "name": "Arabic"
-      }
-    ]
-  },
-  {
-    "name": "Miguel Dos Reis (siersod)",
-    "languages": [
-      {
-        "id": "pt-PT",
-        "name": "Portuguese"
+        "id": "en-GB",
+        "name": "English, United Kingdom"
       }
     ]
   },
@@ -147,6 +151,15 @@
     ]
   },
   {
+    "name": "M Angga Ariska (anggaariska)",
+    "languages": [
+      {
+        "id": "id",
+        "name": "Indonesian"
+      }
+    ]
+  },
+  {
     "name": "Andra  (sarmizegetusa)",
     "languages": [
       {
@@ -156,20 +169,20 @@
     ]
   },
   {
-    "name": "Can Altıntaş (crybois)",
+    "name": "Ahmed Mohamed Abbas (moodfactor)",
     "languages": [
       {
-        "id": "en-GB",
-        "name": "English, United Kingdom"
+        "id": "ar",
+        "name": "Arabic"
       }
     ]
   },
   {
-    "name": "M Angga Ariska (anggaariska)",
+    "name": "Miguel Dos Reis (siersod)",
     "languages": [
       {
-        "id": "id",
-        "name": "Indonesian"
+        "id": "pt-PT",
+        "name": "Portuguese"
       }
     ]
   },
@@ -183,15 +196,6 @@
     ]
   },
   {
-    "name": "Grimpy",
-    "languages": [
-      {
-        "id": "sl",
-        "name": "Slovenian"
-      }
-    ]
-  },
-  {
     "name": "jznsamuel (jasonsamuel88)",
     "languages": [
       {
@@ -201,6 +205,15 @@
     ]
   },
   {
+    "name": "Grimpy",
+    "languages": [
+      {
+        "id": "sl",
+        "name": "Slovenian"
+      }
+    ]
+  },
+  {
     "name": "Zacarias Ponte (wolfteambrconta)",
     "languages": [
       {
@@ -219,15 +232,6 @@
     ]
   },
   {
-    "name": "Lukas Novotny (novas78)",
-    "languages": [
-      {
-        "id": "cs",
-        "name": "Czech"
-      }
-    ]
-  },
-  {
     "name": "Arefat Dev (arefat2005)",
     "languages": [
       {
@@ -300,6 +304,15 @@
     ]
   },
   {
+    "name": "Tomas Santisteban Castaño (santicastano55)",
+    "languages": [
+      {
+        "id": "es-ES",
+        "name": "Spanish"
+      }
+    ]
+  },
+  {
     "name": "Я. Николов (qroslavnikolaev)",
     "languages": [
       {
@@ -313,15 +326,6 @@
     ]
   },
   {
-    "name": "Tomas Santisteban Castaño (santicastano55)",
-    "languages": [
-      {
-        "id": "es-ES",
-        "name": "Spanish"
-      }
-    ]
-  },
-  {
     "name": "潘忠廷 (zs123sz)",
     "languages": [
       {
@@ -331,15 +335,6 @@
     ]
   },
   {
-    "name": "jj jpg (smoes.jpg)",
-    "languages": [
-      {
-        "id": "de",
-        "name": "German"
-      }
-    ]
-  },
-  {
     "name": "ต่าย กันทะพันธ์ (taiprotex)",
     "languages": [
       {
@@ -349,11 +344,11 @@
     ]
   },
   {
-    "name": "se7en9702",
+    "name": "jj jpg (smoes.jpg)",
     "languages": [
       {
-        "id": "te",
-        "name": "Telugu"
+        "id": "de",
+        "name": "German"
       }
     ]
   },
@@ -367,6 +362,15 @@
     ]
   },
   {
+    "name": "se7en9702",
+    "languages": [
+      {
+        "id": "te",
+        "name": "Telugu"
+      }
+    ]
+  },
+  {
     "name": "hjeans",
     "languages": [
       {
diff --git a/tools/i18n/blocked-users.txt b/tools/i18n/blocked-users.txt
index 065d6d8..c8f06a9 100644
--- a/tools/i18n/blocked-users.txt
+++ b/tools/i18n/blocked-users.txt
@@ -7,6 +7,7 @@
 jjroot19
 mattiasxxpersson
 JeremyMaloney
+greenairbus01
 
 # These users joined the project but didn't make any translation, so they
 # shouldn't be credited neither.
@@ -24,6 +25,9 @@
 # be removed from this list.
 mikkosaarinentapani
 deepIQ
+Trytek
+onebadai1
+ahmedsayd
 
 # This is the extension creator, so he shouldn't be credited as a translator
 # neither.