diff --git a/confluence_markdown_exporter/utils/app_data_store.py b/confluence_markdown_exporter/utils/app_data_store.py
index 27e9cff..a1409fb 100644
--- a/confluence_markdown_exporter/utils/app_data_store.py
+++ b/confluence_markdown_exporter/utils/app_data_store.py
@@ -214,7 +214,8 @@ class ExportConfig(BaseModel):
         description="Whether to include breadcrumb links at the top of the page.",
     )
     filename_encoding: str = Field(
-        default='"<":"_",">":"_",":":"_","\\"":"_","/":"_","\\\\":"_","|":"_","?":"_","*":"_","\\u0000":"_","[":"_","]":"_"',
+        default='"<":"_",">":"_",":":"_","\\"":"_","/":"_","\\\\":"_","|":"_","?":"_","*":"_","\\u0000":"_","[":"_","]":"_","\'":"_","’":"_","´":"_","`":"_"', # noqa: RUF001
+
         title="Filename Encoding",
         description=(
             "List character-to-replacement pairs, separated by commas. "
@@ -231,6 +232,14 @@ class ExportConfig(BaseModel):
         title="Filename Length",
         description="Maximum length of the filename.",
     )
+    filename_lowercase: bool = Field(
+        default=False,
+        title="Enforce lowercase paths",
+        description=(
+            "Make all paths/files lowercase.\n"
+            "By default the original casing will be retained.\n"
+        ),
+    )
     include_document_title: bool = Field(
         default=True,
         title="Include Document Title",
diff --git a/confluence_markdown_exporter/utils/export.py b/confluence_markdown_exporter/utils/export.py
index fde4b2b..41640e7 100644
--- a/confluence_markdown_exporter/utils/export.py
+++ b/confluence_markdown_exporter/utils/export.py
@@ -106,6 +106,9 @@ def map_char(m: re.Match[str]) -> str:
     if name in reserved:
         sanitized = f"{sanitized}_"
 
+    if export_options.filename_lowercase:
+        sanitized = sanitized.lower()
+
     # Limit length to specificed number of characters
     return sanitized[: export_options.filename_length]
 
diff --git a/tests/unit/utils/test_export.py b/tests/unit/utils/test_export.py
index 9b507b5..00383aa 100644
--- a/tests/unit/utils/test_export.py
+++ b/tests/unit/utils/test_export.py
@@ -127,6 +127,7 @@ def test_no_encoding_specified(self, mock_export_options: MagicMock) -> None:
         """Test sanitizing filename with no encoding specified."""
         mock_export_options.filename_encoding = ""
         mock_export_options.filename_length = 255
+        mock_export_options.filename_lowercase = False
 
         result = sanitize_filename("Test File.txt")
         assert result == "Test File.txt"
@@ -136,15 +137,27 @@ def test_with_encoding_mapping(self, mock_export_options: MagicMock) -> None:
         """Test sanitizing filename with encoding mapping."""
         mock_export_options.filename_encoding = '" ":"_",":":"_"'
         mock_export_options.filename_length = 255
+        mock_export_options.filename_lowercase = False
 
         result = sanitize_filename("Test File: Name.txt")
         assert result == "Test_File__Name.txt"
 
+    @patch("confluence_markdown_exporter.utils.export.export_options")
+    def test_with_encoding_mapping_lowercase(self, mock_export_options: MagicMock) -> None:
+        """Test sanitizing filename with encoding mapping."""
+        mock_export_options.filename_encoding = '" ":"_",":":"_"'
+        mock_export_options.filename_length = 255
+        mock_export_options.filename_lowercase = True
+
+        result = sanitize_filename("Test File: Name.txt")
+        assert result == "test_file__name.txt"
+
     @patch("confluence_markdown_exporter.utils.export.export_options")
     def test_trim_trailing_spaces_and_dots(self, mock_export_options: MagicMock) -> None:
         """Test that trailing spaces and dots are trimmed."""
         mock_export_options.filename_encoding = ""
         mock_export_options.filename_length = 255
+        mock_export_options.filename_lowercase = False
 
         result = sanitize_filename("filename . . ")
         assert result == "filename"
@@ -154,6 +167,7 @@ def test_reserved_windows_names(self, mock_export_options: MagicMock) -> None:
         """Test that reserved Windows names are handled."""
         mock_export_options.filename_encoding = ""
         mock_export_options.filename_length = 255
+        mock_export_options.filename_lowercase = False
 
         reserved_names = ["CON", "PRN", "AUX", "NUL", "COM1", "LPT1"]
         for name in reserved_names:
@@ -180,6 +194,7 @@ def test_complex_filename_sanitization(self, mock_export_options: MagicMock) ->
         """Test complex filename sanitization with multiple rules."""
         mock_export_options.filename_encoding = '" ":"_","?":"_",":":"_"'
         mock_export_options.filename_length = 50
+        mock_export_options.filename_lowercase = False
 
         filename = "My Document: What? How?  . ."
         result = sanitize_filename(filename)