diff --git a/src/utils/file.ts b/src/utils/file.ts
new file mode 100644
index 00000000..0bd86bc0
--- /dev/null
+++ b/src/utils/file.ts
@@ -0,0 +1,8 @@
+export function fileToBase64(file: File) {
+  return new Promise<string>((resolve, reject) => {
+    const reader = new FileReader();
+    reader.addEventListener('error', reject);
+    reader.addEventListener('load', () => resolve(reader.result as string));
+    reader.readAsDataURL(file);
+  });
+}