diff --git a/src/utils/getFrameNumber.ts b/src/utils/getFrameNumber.ts
new file mode 100644
index 0000000..f49f250
--- /dev/null
+++ b/src/utils/getFrameNumber.ts
@@ -0,0 +1,7 @@
+export const getFrameNumber = (number: number, length: number) => {
+  var str = "" + number;
+  while (str.length < length) {
+    str = "0" + str;
+  }
+  return str;
+};