diff --git a/README.md b/README.md
index fbaac80..56f0702 100644
--- a/README.md
+++ b/README.md
@@ -1199,6 +1199,25 @@ requests.minifyhtml("<h1>Hello</h1>          <h1>World</h1>")
 </details>
 
 
+## gen_auth_header()
+<details>
+
+**Description:**
+Helper for HTTP Authentication headers.
+
+Returns 1 string kinda like "Basic base64(username):base64(username)",
+so it can be used like `[ ("Authorization": gen_auth_header("username", "password") ) ]`.
+See https://github.com/juancarlospaco/faster-than-requests/issues/168#issuecomment-858999317
+
+**Arguments:**
+- `username` Username string, must not be empty string, required.
+- `password` Password string, must not be empty string, required.
+
+**Returns:** string.
+
+</details>
+
+
 ## debugs
 <details>
 **Description:**
diff --git a/faster_than_requests/faster_than_requests.nim b/faster_than_requests/faster_than_requests.nim
index 4f025fe..17db9cf 100644
--- a/faster_than_requests/faster_than_requests.nim
+++ b/faster_than_requests/faster_than_requests.nim
@@ -1,5 +1,5 @@
 import
-  asyncdispatch, db_sqlite, htmlparser, httpclient, json, nimpy, os, sequtils,
+  asyncdispatch, db_sqlite, htmlparser, httpclient, json, nimpy, os, sequtils, base64,
   pegs, re, strtabs, strutils, tables, threadpool, uri, ws, sequtils, xmltree, std/tasks
 
 
@@ -171,6 +171,10 @@ proc datauri*(data: string; mime: string; encoding: string = "utf-8"): string {.
   result = uri.getDataUri(data, mime, encoding)
 
 
+proc gen_auth_header*(username: string; password: string): string {.exportpy.} =
+  "Basic " & base64.encode(username & ':' & password)
+
+
 proc debugs*() {.discardable, exportpy.} =
   ## Get the Config and print it to the terminal, for debug purposes only, human friendly.
   echo static(pretty(%*{