diff --git a/src/main/resources/assets/squaredadditions/lang/cs_cz.json b/src/main/resources/assets/squaredadditions/lang/cs_cz.json
new file mode 100644
index 0000000..453320e
--- /dev/null
+++ b/src/main/resources/assets/squaredadditions/lang/cs_cz.json
@@ -0,0 +1,18 @@
+{
+    "_comment0": "Note to translators: DO NOT COPY ENTRIES FROM ENGLISH",
+    "_comment1": "I repeat: do NOT copy entries from English!!",
+    "_comment2": "Copying English entries will cause them to become outdated when this file changes",
+    "_comment3": "Untranslated entries will automatically be inherited from this file.",
+    "_comment4": "Ještě jednou, nekopírujte z angličtiny a DĚKUJEME za vaši tvrdou práci!",
+
+    "item.squaredadditions.copper_sword": "Měděný meč",
+    "item.squaredadditions.copper_shovel": "Měděná lopata",
+    "item.squaredadditions.copper_hoe": "Měděná motyčka",
+    "item.squaredadditions.copper_axe": "Měděná sekera",
+    "item.squaredadditions.copper_pickaxe": "Měděný krumpáč",
+    "item.squaredadditions.emerald_sword": "Smaragdový meč",
+    "item.squaredadditions.emerald_shovel": "Smaragdová lopata",
+    "item.squaredadditions.emerald_hoe": "Smaragdová motyčka",
+    "item.squaredadditions.emerald_axe": "Smaragdová sekera",
+    "item.squaredadditions.emerald_pickaxe": "Smaragdový krumpáč"
+}
\ No newline at end of file