diff --git a/Pipfile b/Pipfile
new file mode 100644
index 0000000..fa01656
--- /dev/null
+++ b/Pipfile
@@ -0,0 +1,13 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+opencc = "*"
+click = "*"
+
+[dev-packages]
+
+[requires]
+python_version = "3.6"
diff --git a/Pipfile.lock b/Pipfile.lock
new file mode 100644
index 0000000..f5a95c2
--- /dev/null
+++ b/Pipfile.lock
@@ -0,0 +1,36 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "e11e067f853c70dd2660c4e3d606219472ef597161bcf00ffcd63872df1183bf"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.6"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "click": {
+            "hashes": [
+                "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a",
+                "sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc"
+            ],
+            "index": "pypi",
+            "version": "==7.1.2"
+        },
+        "opencc": {
+            "hashes": [
+                "sha256:1e0d40581dd5130ac3160f97e752caff202aa22aa004d468496fa8cba81035e7"
+            ],
+            "index": "pypi",
+            "version": "==1.1.1.post1"
+        }
+    },
+    "develop": {}
+}
diff --git a/transform.py b/transform.py
new file mode 100644
index 0000000..6465e84
--- /dev/null
+++ b/transform.py
@@ -0,0 +1,21 @@
+"""Convert zh-cn to zh-tw
+Refer to https://github.com/BYVoid/OpenCC
+"""
+import click
+import opencc
+
+
+@click.command()
+@click.option("-i", "--input", "infile", required=True)
+@click.option("-o", "--output", "outfile", required=True)
+@click.option("-c", "--config", "cfg", required=True, default="s2twp.json")
+def main(infile, outfile, cfg):
+    converter = opencc.OpenCC(cfg)
+    with open(infile, "r") as inf, open(outfile, "w+") as outf:
+        data = inf.readlines()
+        data = list(map(converter.convert, data))
+        outf.writelines(data)
+
+
+if __name__ == "__main__":
+    main()