diff --git a/src/utils/getFrameNumber.ts b/src/utils/getFrameNumber.ts
deleted file mode 100644
index f49f250..0000000
--- a/src/utils/getFrameNumber.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-export const getFrameNumber = (number: number, length: number) => {
-  var str = "" + number;
-  while (str.length < length) {
-    str = "0" + str;
-  }
-  return str;
-};
diff --git a/src/utils/getOutPath.ts b/src/utils/getOutPath.ts
new file mode 100644
index 0000000..20cf57b
--- /dev/null
+++ b/src/utils/getOutPath.ts
@@ -0,0 +1,13 @@
+import path from "path";
+import { bitmapsDir } from "../config";
+
+export const getOutPath = (number: number, length: number, svgFile: string) => {
+  let frame = "" + number;
+  while (frame.length < length) {
+    frame = "0" + frame;
+  }
+
+  const bitmap = `${path.basename(svgFile, ".svg")}-${frame}.png`;
+
+  return path.resolve(bitmapsDir, bitmap);
+};