diff --git a/ozgursozluk/__init__.py b/ozgursozluk/__init__.py
index 5896c89..2fb41fb 100644
--- a/ozgursozluk/__init__.py
+++ b/ozgursozluk/__init__.py
@@ -1,12 +1,12 @@
-import flask
+from flask import Flask
 
 
-__version__ = "0.4.0"
+__version__ = "0.4.1"
 __author__ = "beucismis"
 __source__ = "https://github.com/beucismis/ozgursozluk"
 __description__ = "free alternative simple ekşi sözlük front-end"
 
-app = flask.Flask(__name__)
+app = Flask(__name__)
 app.config.from_object("ozgursozluk.config")
 
 
diff --git a/ozgursozluk/api.py b/ozgursozluk/api.py
index eef8fb3..58ce358 100644
--- a/ozgursozluk/api.py
+++ b/ozgursozluk/api.py
@@ -1,8 +1,8 @@
 from typing import Iterator
 from dataclasses import dataclass
 
-import flask
 import requests
+from flask import abort
 from bs4 import BeautifulSoup
 from fake_useragent import UserAgent
 
@@ -82,7 +82,7 @@ class Eksi:
         )
 
         if response.status_code != 200:
-            flask.abort(response.status_code)
+            abort(response.status_code)
 
         return response
 
diff --git a/ozgursozluk/utils.py b/ozgursozluk/utils.py
new file mode 100644
index 0000000..556de1c
--- /dev/null
+++ b/ozgursozluk/utils.py
@@ -0,0 +1,32 @@
+import re
+
+
+DEFAULT_NITTER_URL = "https://nitter.net"
+DEFAULT_LIBREDDIT_URL = "https://libredd.it"
+DEFAULT_INVIDIOUS_URL = "https://invidio.us"
+
+PATTERNS = [
+    {
+        "url": f"{DEFAULT_NITTER_URL}/%s",
+        "regex": r"(https?://twitter\.com/([\w-]+))",
+    },
+    {
+        "url": f"{DEFAULT_LIBREDDIT_URL}/%s",
+        "regex": r"(https?://(www\.)?reddit\.com/([\w-]+))",
+    },
+    {
+        "url": f"{DEFAULT_INVIDIOUS_URL}/%s",
+        "regex": r"(https?://(www\.)?youtube\.com/([\w-]+))",
+    },
+]
+
+
+def replace_links(content: str) -> str:
+    for url, regex in PATTERNS.items():
+        pattern = re.compile(regex, re.IGNORECASE)
+        match = pattern.search(content)
+
+        if match:
+            content = content.replace(match.group(1), url % match.group(2))
+
+    return content