diff --git a/comictaggerlib/filerenamer.py b/comictaggerlib/filerenamer.py
index f2160bc..726df00 100644
--- a/comictaggerlib/filerenamer.py
+++ b/comictaggerlib/filerenamer.py
@@ -21,7 +21,7 @@ import os
 import pathlib
 import string
 import sys
-from typing import Any, cast
+from typing import Any, NamedTuple, cast
 
 from pathvalidate import sanitize_filename
 
@@ -32,6 +32,16 @@ from comicapi.issuestring import IssueString
 logger = logging.getLogger(__name__)
 
 
+class Replacements(NamedTuple):
+    literal_text: set[tuple[str, str]]
+    format_value: set[tuple[str, str]]
+
+
+REPLACEMENTS = Replacements(
+    literal_text={(": ", " - "), (":", "-")}, format_value={(": ", " - "), (":", "-"), ("/", "-"), ("\\", "-")}
+)
+
+
 def get_rename_dir(ca: ComicArchive, rename_dir: str | pathlib.Path | None) -> pathlib.Path:
     folder = ca.path.parent.absolute()
     if rename_dir is not None:
@@ -42,16 +52,24 @@ def get_rename_dir(ca: ComicArchive, rename_dir: str | pathlib.Path | None) -> p
 
 
 class MetadataFormatter(string.Formatter):
-    def __init__(self, smart_cleanup: bool = False, platform: str = "auto") -> None:
+    def __init__(
+        self, smart_cleanup: bool = False, platform: str = "auto", replacements: Replacements = REPLACEMENTS
+    ) -> None:
         super().__init__()
         self.smart_cleanup = smart_cleanup
         self.platform = platform.casefold()
+        self.replacements = replacements
 
     def format_field(self, value: Any, format_spec: str) -> str:
         if value is None or value == "":
             return ""
         return cast(str, super().format_field(value, format_spec))
 
+    def handle_replacements(self, string: str, replacements: set[tuple[str, str]]) -> str:
+        for f, r in replacements:
+            string = string.replace(f, r)
+        return string
+
     def _vformat(
         self,
         format_string: str,
@@ -73,9 +91,7 @@ class MetadataFormatter(string.Formatter):
                     literal_text = literal_text.lstrip("-_)}]#")
                 if self.smart_cleanup:
                     if self.platform in ["universal", "windows"] or sys.platform.casefold() in ["windows"]:
-                        # colons get special treatment
-                        literal_text = literal_text.replace(": ", " - ")
-                        literal_text = literal_text.replace(":", "-")
+                        literal_text = self.handle_replacements(literal_text, self.replacements.literal_text)
                     lspace = literal_text[0].isspace() if literal_text else False
                     rspace = literal_text[-1].isspace() if literal_text else False
                     literal_text = " ".join(literal_text.split())
@@ -121,6 +137,9 @@ class MetadataFormatter(string.Formatter):
                             result[-1], _, _ = result[-1].rstrip().rpartition(" ")
                         result[-1] = result[-1].rstrip("-_({[#")
                 if self.smart_cleanup:
+                    if self.platform in ["universal", "windows"] or sys.platform.casefold() in ["windows"]:
+                        # colons and slashes get special treatment
+                        fmt_obj = self.handle_replacements(fmt_obj, self.replacements.format_value)
                     fmt_obj = " ".join(fmt_obj.split())
                     fmt_obj = str(sanitize_filename(fmt_obj, platform=self.platform))
                 result.append(fmt_obj)
diff --git a/testing/filenames.py b/testing/filenames.py
index 6af0923..ffcb467 100644
--- a/testing/filenames.py
+++ b/testing/filenames.py
@@ -785,6 +785,20 @@ rnames = [
         "Cory Doctorow's Futuristic Tales of the Here and Now #001 - Anda's Game (2007).cbz",
         does_not_raise(),
     ),
+    (
+        "{title} {web_link}",  # Ensure colon is replaced in metadata
+        False,
+        "universal",
+        "Anda's Game https---comicvine.gamespot.com-cory-doctorows-futuristic-tales-of-the-here-and-no-4000-140529-.cbz",
+        does_not_raise(),
+    ),
+    (
+        "{series}:{title} #{issue} ({year})",  # on windows the ':' is replaced
+        False,
+        "universal",
+        "Cory Doctorow's Futuristic Tales of the Here and Now-Anda's Game #001 (2007).cbz",
+        does_not_raise(),
+    ),
     (
         "{series}: {title} #{issue} ({year})",  # on windows the ':' is replaced
         False,