diff --git a/src/httpaste/helper/url.py b/src/httpaste/helper/url.py
new file mode 100644
index 0000000..38528a1
--- /dev/null
+++ b/src/httpaste/helper/url.py
@@ -0,0 +1,20 @@
+from urllib.parse import urlparse, parse_qs
+
+
+def url_query_string(fields:dict):
+
+    return '&'.join([f'{k}={v}' for k,v in fields.items()])
+
+
+def url_append_query_param(url:str, name: str, value:str):
+
+    urlcomps = urlparse(url)
+
+    q = parse_qs(urlcomps.query)
+
+    q[name] = value
+
+    qs = url_query_string(q)
+
+    return urlcomps._replace(query=qs).geturl()
+