diff --git a/podcast_transcript_convert/converters/any_to_simple.py b/podcast_transcript_convert/converters/any_to_simple.py
index 6b0f08f..815b0d5 100644
--- a/podcast_transcript_convert/converters/any_to_simple.py
+++ b/podcast_transcript_convert/converters/any_to_simple.py
@@ -3,9 +3,7 @@
 from typing import TypeAlias
 
 from podcast_transcript_convert.converters.html_to_json import html_file_to_json_file
-from podcast_transcript_convert.converters.json_to_simple import (
-    json_file_to_simple_file,
-)
+from podcast_transcript_convert.converters.json_to_json import json_file_to_json_file
 from podcast_transcript_convert.converters.srt_to_json import srt_file_to_json_file
 from podcast_transcript_convert.converters.vtt_to_json import vtt_file_to_json_file
 from podcast_transcript_convert.converters.xml_to_json import xml_file_to_json_file
@@ -16,7 +14,7 @@
 
 type_to_converter_map: dict[FileType, Converter] = {
     FileType.HTML: html_file_to_json_file,
-    FileType.JSON: json_file_to_simple_file,
+    FileType.JSON: json_file_to_json_file,
     FileType.SRT: srt_file_to_json_file,
     FileType.VTT: vtt_file_to_json_file,
     FileType.XML: xml_file_to_json_file,
diff --git a/podcast_transcript_convert/converters/json_to_json.py b/podcast_transcript_convert/converters/json_to_json.py
index 9c3fb9a..58b916b 100644
--- a/podcast_transcript_convert/converters/json_to_json.py
+++ b/podcast_transcript_convert/converters/json_to_json.py
@@ -5,8 +5,8 @@
 
 
 def json_file_to_json_file(
-    origin_file: str,
-    destination_file: str,
+    origin_file: str | Path,
+    destination_file: str | Path,
     metadata: dict | None,
 ) -> None:
     try:
diff --git a/podcast_transcript_convert/converters/srt_to_json.py b/podcast_transcript_convert/converters/srt_to_json.py
index e4ecda4..13535f6 100644
--- a/podcast_transcript_convert/converters/srt_to_json.py
+++ b/podcast_transcript_convert/converters/srt_to_json.py
@@ -45,7 +45,11 @@ def srt_to_podcast_dict(srt_string: str) -> dict:
     }
 
 
-def srt_file_to_json_file(srt_file: str, json_file: str, metadata: dict | None) -> None:
+def srt_file_to_json_file(
+    srt_file: str | Path,
+    json_file: str | Path,
+    metadata: dict | None,
+) -> None:
     srt_string = Path(srt_file).read_text()
     try:
         transcript_dict = srt_to_podcast_dict(srt_string)
diff --git a/podcast_transcript_convert/converters/vtt_to_json.py b/podcast_transcript_convert/converters/vtt_to_json.py
index e0b7404..0e6a817 100644
--- a/podcast_transcript_convert/converters/vtt_to_json.py
+++ b/podcast_transcript_convert/converters/vtt_to_json.py
@@ -37,7 +37,11 @@ def vtt_to_podcast_dict(vtt_string: str) -> dict:
 
 
 # https://www.w3.org/TR/webvtt1/#file-structure
-def vtt_file_to_json_file(vtt_file: str, json_file: str, metadata: dict | None) -> None:
+def vtt_file_to_json_file(
+    vtt_file: str | Path,
+    json_file: str | Path,
+    metadata: dict | None,
+) -> None:
     vtt_string = Path(vtt_file).read_text()
     try:
         transcript_dict = vtt_to_podcast_dict(vtt_string)
diff --git a/podcast_transcript_convert/converters/xml_to_json.py b/podcast_transcript_convert/converters/xml_to_json.py
index 0f61cb7..c408298 100644
--- a/podcast_transcript_convert/converters/xml_to_json.py
+++ b/podcast_transcript_convert/converters/xml_to_json.py
@@ -47,7 +47,11 @@ def xml_to_podcast_dict(xml_string: str) -> dict:
     }
 
 
-def xml_file_to_json_file(xml_file: str, json_file: str, metadata: dict | None) -> None:
+def xml_file_to_json_file(
+    xml_file: str | Path,
+    json_file: str | Path,
+    metadata: dict | None,
+) -> None:
     xml_string = Path(xml_file).read_text()
     try:
         transcript_dict = xml_to_podcast_dict(xml_string)