diff --git a/paddlex/tools/__init__.py b/paddlex/tools/__init__.py
index 1b749d9ba62fcdc61474b8971afc977910213356..364bb470ccbf7832ca0a72400bc21359fafcd398 100644
--- a/paddlex/tools/__init__.py
+++ b/paddlex/tools/__init__.py
@@ -14,11 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from .x2imagenet import EasyData2ImageNet
-from .x2coco import LabelMe2COCO
-from .x2coco import EasyData2COCO
-from .x2voc import LabelMe2VOC
-from .x2voc import EasyData2VOC
-from .x2seg import JingLing2Seg
-from .x2seg import LabelMe2Seg
-from .x2seg import EasyData2Seg
+from .convert import *
\ No newline at end of file
diff --git a/paddlex/tools/convert.py b/paddlex/tools/convert.py
new file mode 100644
index 0000000000000000000000000000000000000000..b2755f2fbb3ad2876df936612af9a12019523878
--- /dev/null
+++ b/paddlex/tools/convert.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python
+# coding: utf-8
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from .x2imagenet import EasyData2ImageNet
+from .x2coco import LabelMe2COCO
+from .x2coco import EasyData2COCO
+from .x2voc import LabelMe2VOC
+from .x2voc import EasyData2VOC
+from .x2seg import JingLing2Seg
+from .x2seg import LabelMe2Seg
+from .x2seg import EasyData2Seg
+
+easydata2imagenet = EasyData2ImageNet().convert
+labelme2coco = LabelMe2COCO().convert
+easydata2coco = EasyData2COCO().convert
+labelme2voc = LabelMe2VOC().convert
+easydata2voc = EasyData2VOC().convert
+jingling2seg = JingLing2Seg().convert
+labelme2seg = LabelMe2Seg().convert
+easydata2seg = EasyData2Seg().convert