diff --git a/src/feature/create-album/utils/heicToJpeg.test.ts b/src/feature/create-album/utils/heicToJpeg.test.ts
index 3ad1fa07..89bf13e3 100644
--- a/src/feature/create-album/utils/heicToJpeg.test.ts
+++ b/src/feature/create-album/utils/heicToJpeg.test.ts
@@ -49,9 +49,8 @@ describe('convertHeicFilesToJpeg', () => {
     expect(result[0].type).toBe('image/jpeg');
     // The second file should remain as is
     expect(result[1].name).toBe('image.jpg');
-    expect(Toast.alert).toHaveBeenCalledWith(
-      '1개의 HEIC 파일을 변환 중입니다...',
-    );
+    expect(Toast.alert).toHaveBeenCalledWith('변환 중... 0/1');
+    expect(Toast.alert).toHaveBeenCalledWith('변환 중... 1/1');
   });
 
   it('should handle conversion failure gracefully', async () => {
diff --git a/src/feature/create-album/utils/heicToJpeg.ts b/src/feature/create-album/utils/heicToJpeg.ts
index 2f729977..dc1b6759 100644
--- a/src/feature/create-album/utils/heicToJpeg.ts
+++ b/src/feature/create-album/utils/heicToJpeg.ts
@@ -7,35 +7,47 @@ export async function convertHeicFilesToJpeg(files: File[]): Promise<File[]> {
       /heic|heif/i.test(file.type) || /\.heic$|\.heif$/i.test(file.name),
   );
 
-  if (heicFiles.length > 0) {
-    Toast.alert(`${heicFiles.length}개의 HEIC 파일을 변환 중입니다...`);
+  if (heicFiles.length === 0) {
+    return files;
   }
 
-  const convertedFiles = await Promise.all(
-    files.map(async (file) => {
-      if (/heic|heif/i.test(file.type) || /\.heic$|\.heif$/i.test(file.name)) {
-        try {
-          const jpegBlob = await heicTo({
-            blob: file,
+  let convertedCount = 0;
+  const totalCount = heicFiles.length;
+
+  // 초기 메시지 표시
+  Toast.alert(`변환 중... 0/${totalCount}`);
+
+  const convertedFiles: File[] = [];
+
+  for (const file of files) {
+    if (/heic|heif/i.test(file.type) || /\.heic$|\.heif$/i.test(file.name)) {
+      try {
+        const jpegBlob = await heicTo({
+          blob: file,
+          type: 'image/jpeg',
+          quality: 0.9,
+        });
+        const convertedFile = new File(
+          [jpegBlob],
+          file.name.replace(/\.(heic|heif)$/i, '.jpg'),
+          {
             type: 'image/jpeg',
-            quality: 0.9,
-          });
-          return new File(
-            [jpegBlob],
-            file.name.replace(/\.(heic|heif)$/i, '.jpg'),
-            {
-              type: 'image/jpeg',
-              lastModified: file.lastModified,
-            },
-          );
-        } catch (e) {
-          Toast.alert(`${file.name} 파일의 변환에 실패했습니다.`);
-          return file;
-        }
+            lastModified: file.lastModified,
+          },
+        );
+        convertedFiles.push(convertedFile);
+
+        // 변환 완료마다 진행률 업데이트
+        convertedCount++;
+        Toast.alert(`변환 중... ${convertedCount}/${totalCount}`);
+      } catch (e) {
+        Toast.alert(`${file.name} 파일의 변환에 실패했습니다.`);
+        convertedFiles.push(file);
       }
-      return file;
-    }),
-  );
+    } else {
+      convertedFiles.push(file);
+    }
+  }
 
   return convertedFiles;
 }