diff --git a/src/com/jpexs/decompiler/flash/gui/locales/NewFileDialog_cs.properties b/src/com/jpexs/decompiler/flash/gui/locales/NewFileDialog_cs.properties
new file mode 100644
index 000000000..99bcc4870
--- /dev/null
+++ b/src/com/jpexs/decompiler/flash/gui/locales/NewFileDialog_cs.properties
@@ -0,0 +1,29 @@
+# Copyright (C) 2022 JPEXS
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+dialog.title = Nov\u00fd soubor
+
+background.color = Barva pozad\u00ed:
+
+width = \u0160\u00ed\u0159ka
+height = V\u00fd\u0161ka
+unit.pixels = Pixel\u016f
+unit.twips = Twip\u016f
+
+canvas.size = Velikost pl\u00e1tna:
+
+script.type = Typ skript\u016f:
+script.type.actionscript1_2 = ActionScript 1/2
+script.type.actionscript3 = ActionScript 3