diff --git a/README.md b/README.md
index 18817d30..c77b2f6c 100644
--- a/README.md
+++ b/README.md
@@ -94,9 +94,6 @@ presets:
       thumbnail_name: "{episode_name}.jpg"
       maintain_download_archive: True
 
-    convert_thumbnail:
-      to: "jpg"
-
     nfo_tags:
       nfo_name: "{episode_name}.nfo"
       nfo_root: "episodedetails"
diff --git a/config.yaml b/config.yaml
index f67a4975..4cd4de9f 100644
--- a/config.yaml
+++ b/config.yaml
@@ -14,8 +14,6 @@ presets:
       file_name: "[{album_year}] {album_sanitized}/{track_number_padded} - {title_sanitized}.{ext}"
       thumbnail_name: "[{album_year}] {album_sanitized}/folder.jpg"
       maintain_download_archive: True
-    convert_thumbnail:
-      to: "jpg"
     music_tags:
       tags:
         artist: "{artist}"
@@ -47,11 +45,6 @@ presets:
       file_name: "{music_video_name}.{ext}"
       thumbnail_name: "{music_video_name}.jpg"
 
-    # Always convert the video thumbnail to jpg
-    # TODO: always convert all thumbnails to jpg in code
-    convert_thumbnail:
-      to: "jpg"
-
     # For each video downloaded, add a music video NFO file for it. Populate it
     # with tags that Kodi will read and use to display it in the music or music
     # videos section.
@@ -101,8 +94,6 @@ presets:
     output_options:
       file_name: "{output_file_name}.{ext}"
       thumbnail_name: "{output_file_name}.jpg"
-    convert_thumbnail:
-      to: "jpg"
     nfo_tags:
       nfo_name: "{output_file_name}.nfo"
       nfo_root: "episodedetails"
diff --git a/docker/root/defaults/config.yaml b/docker/root/defaults/config.yaml
index b4681772..e7b4c6b0 100644
--- a/docker/root/defaults/config.yaml
+++ b/docker/root/defaults/config.yaml
@@ -21,9 +21,6 @@ presets:
       file_name: "{music_video_name}.{ext}"
       thumbnail_name: "{music_video_name}.jpg"
 
-    convert_thumbnail:
-      to: "jpg"
-
     nfo_tags:
       nfo_name: "{music_video_name}.nfo"
       nfo_root: "musicvideo"
diff --git a/examples/kodi_music_videos_config.yaml b/examples/kodi_music_videos_config.yaml
index 521fdf76..589d3290 100644
--- a/examples/kodi_music_videos_config.yaml
+++ b/examples/kodi_music_videos_config.yaml
@@ -37,11 +37,6 @@ presets:
       file_name: "{music_video_name}.{ext}"
       thumbnail_name: "{music_video_name}.jpg"
 
-    # Always convert the video thumbnail to jpg
-    # TODO: always convert all thumbnails to jpg in code
-    convert_thumbnail:
-      to: "jpg"
-
     # For each video downloaded, add a music video NFO file for it. Populate it
     # with tags that Kodi will read and use to display it in the music or music
     # videos section.
diff --git a/examples/kodi_tv_shows_config.yaml b/examples/kodi_tv_shows_config.yaml
index d0092009..6bcb4db8 100644
--- a/examples/kodi_tv_shows_config.yaml
+++ b/examples/kodi_tv_shows_config.yaml
@@ -55,11 +55,6 @@ presets:
       thumbnail_name: "{episode_name}.jpg"
       maintain_download_archive: True
 
-    # Always convert the video thumbnail to jpg
-    # TODO: always convert all thumbnails to jpg in code
-    convert_thumbnail:
-      to: "jpg"
-
     # For each video downloaded, add an episode NFO file for it. We give it
     # the same date-like episode name using our {episode_name} variable, and
     # populate the NFO with available video metadata that Kodi will recognize.
diff --git a/examples/soundcloud_discography_config.yaml b/examples/soundcloud_discography_config.yaml
index dfdb6704..1bc061fb 100644
--- a/examples/soundcloud_discography_config.yaml
+++ b/examples/soundcloud_discography_config.yaml
@@ -48,11 +48,6 @@ presets:
       thumbnail_name: "{album_directory_name}/folder.jpg"
       maintain_download_archive: True
 
-    # Always convert the video thumbnail to jpg
-    # TODO: always convert all thumbnails to jpg in code
-    convert_thumbnail:
-      to: "jpg"
-
     # For each song downloaded, populate the audio file with music tags.
     # Tagging should work with most audio file formats. See
     # https://ytdl-sub.readthedocs.io/en/latest/config.html#music-tags
diff --git a/src/ytdl_sub/config/preset_class_mappings.py b/src/ytdl_sub/config/preset_class_mappings.py
index 958fa957..04606b36 100644
--- a/src/ytdl_sub/config/preset_class_mappings.py
+++ b/src/ytdl_sub/config/preset_class_mappings.py
@@ -7,7 +7,6 @@ from ytdl_sub.downloaders.soundcloud_downloader import SoundcloudAlbumsAndSingle
 from ytdl_sub.downloaders.youtube_downloader import YoutubeChannelDownloader
 from ytdl_sub.downloaders.youtube_downloader import YoutubePlaylistDownloader
 from ytdl_sub.downloaders.youtube_downloader import YoutubeVideoDownloader
-from ytdl_sub.plugins.convert_thumbnail import ConvertThumbnailPlugin
 from ytdl_sub.plugins.music_tags import MusicTagsPlugin
 from ytdl_sub.plugins.nfo_tags import NfoTagsPlugin
 from ytdl_sub.plugins.output_directory_nfo_tags import OutputDirectoryNfoTagsPlugin
@@ -101,7 +100,6 @@ class PluginMapping:
     """
 
     _MAPPING: Dict[str, Type[Plugin]] = {
-        "convert_thumbnail": ConvertThumbnailPlugin,
         "music_tags": MusicTagsPlugin,
         "nfo_tags": NfoTagsPlugin,
         "output_directory_nfo_tags": OutputDirectoryNfoTagsPlugin,
diff --git a/src/ytdl_sub/downloaders/youtube_downloader.py b/src/ytdl_sub/downloaders/youtube_downloader.py
index 694f20f5..267a7e67 100644
--- a/src/ytdl_sub/downloaders/youtube_downloader.py
+++ b/src/ytdl_sub/downloaders/youtube_downloader.py
@@ -5,10 +5,6 @@ from typing import Generic
 from typing import List
 from typing import Optional
 from typing import TypeVar
-from urllib.request import urlopen
-
-from PIL.Image import Image
-from PIL.Image import open as pil_open
 
 from ytdl_sub.config.preset_options import Overrides
 from ytdl_sub.downloaders.downloader import Downloader
@@ -18,6 +14,7 @@ from ytdl_sub.entries.youtube import YoutubeChannel
 from ytdl_sub.entries.youtube import YoutubePlaylistVideo
 from ytdl_sub.entries.youtube import YoutubeVideo
 from ytdl_sub.utils.logger import Logger
+from ytdl_sub.utils.thumbnail import convert_url_thumbnail
 from ytdl_sub.validators.date_range_validator import DateRangeValidator
 from ytdl_sub.validators.string_formatter_validators import OverridesStringFormatterValidator
 from ytdl_sub.validators.validators import StringValidator
@@ -312,10 +309,9 @@ class YoutubeChannelDownloader(YoutubeDownloader[YoutubeChannelDownloaderOptions
             logger.warning("Could not find a thumbnail for %s", self.channel.uid)
             return
 
-        with urlopen(thumbnail_url) as file:
-            image: Image = pil_open(file).convert("RGB")
-
-        image.save(fp=output_thumbnail_path, format="jpeg")
+        convert_url_thumbnail(
+            thumbnail_url=thumbnail_url, output_thumbnail_path=output_thumbnail_path
+        )
 
     def post_download(self, overrides: Overrides, output_directory: str):
         """
diff --git a/src/ytdl_sub/entries/variables/entry_variables.py b/src/ytdl_sub/entries/variables/entry_variables.py
index d9999d95..c2f19df4 100644
--- a/src/ytdl_sub/entries/variables/entry_variables.py
+++ b/src/ytdl_sub/entries/variables/entry_variables.py
@@ -82,10 +82,10 @@ class EntryVariables(SourceVariables):
         """
         Returns
         -------
-        The download entry's thumbnail extension
+        The download entry's thumbnail extension. Will always return 'jpg'. Until there is a need
+        to support other image types, we always convert to jpg.
         """
-        # TODO: Always return jpg
-        return self.kwargs("thumbnail").split(".")[-1]
+        return "jpg"
 
     @property
     def upload_date(self: BaseEntry) -> str:
diff --git a/src/ytdl_sub/entries/youtube.py b/src/ytdl_sub/entries/youtube.py
index 8f6b65d9..b7e9a86c 100644
--- a/src/ytdl_sub/entries/youtube.py
+++ b/src/ytdl_sub/entries/youtube.py
@@ -1,5 +1,3 @@
-import os.path
-from pathlib import Path
 from typing import Optional
 
 from ytdl_sub.entries.entry import Entry
@@ -8,31 +6,9 @@ from ytdl_sub.entries.variables.youtube_variables import YoutubeVideoVariables
 
 class YoutubeVideo(YoutubeVideoVariables, Entry):
     """
-    Entry object to represent a Youtube video.
+    Entry object to represent a Youtube video. Reserved for shared Youtube entry logic.
     """
 
-    def get_download_thumbnail_path(self) -> str:
-        """
-        Returns
-        -------
-        The entry's thumbnail's file path to where it was downloaded. Ytdl has a bug where the
-        thumbnail entry is not the actual thumbnail it downloaded. So check all the possible
-        extensions that it may have downloaded, and see if that thumbnail's extension exists.
-
-        TODO: always make thumbnails jpg
-        """
-        thumbnails = self.kwargs("thumbnails")
-        possible_thumbnail_exts = set()
-        for thumbnail in thumbnails:
-            possible_thumbnail_exts.add(thumbnail["url"].split(".")[-1])
-
-        for ext in possible_thumbnail_exts:
-            possible_thumbnail_path = str(Path(self.working_directory()) / f"{self.uid}.{ext}")
-            if os.path.isfile(possible_thumbnail_path):
-                return possible_thumbnail_path
-
-        return super().get_download_thumbnail_path()
-
 
 class YoutubePlaylistVideo(YoutubeVideo):
     @property
diff --git a/src/ytdl_sub/plugins/convert_thumbnail.py b/src/ytdl_sub/plugins/convert_thumbnail.py
deleted file mode 100644
index 288902ee..00000000
--- a/src/ytdl_sub/plugins/convert_thumbnail.py
+++ /dev/null
@@ -1,44 +0,0 @@
-import os
-
-from PIL.Image import Image
-from PIL.Image import open as pil_open
-
-from ytdl_sub.entries.entry import Entry
-from ytdl_sub.plugins.plugin import Plugin
-from ytdl_sub.plugins.plugin import PluginOptions
-from ytdl_sub.validators.string_select_validator import StringSelectValidator
-
-
-class ThumbnailTypes(StringSelectValidator):
-    """Valid image types that thumbnails can be converted to"""
-
-    _select_values = {"jpg"}
-
-
-class ConvertThumbnailOptions(PluginOptions):
-    _required_keys = {"to"}
-
-    def __init__(self, name, value):
-        super().__init__(name, value)
-        self.convert_to = self._validate_key(key="to", validator=ThumbnailTypes)
-
-
-class ConvertThumbnailPlugin(Plugin[ConvertThumbnailOptions]):
-    plugin_options_type = ConvertThumbnailOptions
-
-    def post_process_entry(self, entry: Entry):
-        """
-        Convert the source thumbnail to the desired type. Leave the original file name and
-        extension intact to let output_options deal with renaming it.
-        """
-        if not os.path.isfile(entry.get_download_thumbnail_path()):
-            raise ValueError("Thumbnail not found")
-
-        image: Image = pil_open(entry.get_download_thumbnail_path()).convert("RGB")
-
-        # Pillow likes the formal 'jpeg' name and not 'jpg'
-        thumbnail_format = self.plugin_options.convert_to.value
-        if thumbnail_format == "jpg":
-            thumbnail_format = "jpeg"
-
-        image.save(fp=entry.get_download_thumbnail_path(), format=thumbnail_format)
diff --git a/src/ytdl_sub/subscriptions/subscription.py b/src/ytdl_sub/subscriptions/subscription.py
index e461c89a..f7a0157e 100644
--- a/src/ytdl_sub/subscriptions/subscription.py
+++ b/src/ytdl_sub/subscriptions/subscription.py
@@ -18,6 +18,7 @@ from ytdl_sub.downloaders.downloader import DownloaderValidator
 from ytdl_sub.entries.entry import Entry
 from ytdl_sub.plugins.plugin import Plugin
 from ytdl_sub.plugins.plugin import PluginOptions
+from ytdl_sub.utils.thumbnail import convert_download_thumbnail
 from ytdl_sub.ytdl_additions.enhanced_download_archive import EnhancedDownloadArchive
 
 
@@ -178,6 +179,10 @@ class Subscription:
             output_thumbnail_name = self.overrides.apply_formatter(
                 formatter=self.output_options.thumbnail_name, entry=entry
             )
+
+            # We always convert entry thumbnails to jpgs, and is performed here
+            convert_download_thumbnail(entry=entry)
+
             self._copy_file_to_output_directory(
                 entry=entry,
                 source_file_path=entry.get_download_thumbnail_path(),
diff --git a/src/ytdl_sub/utils/thumbnail.py b/src/ytdl_sub/utils/thumbnail.py
new file mode 100644
index 00000000..7ac7cb14
--- /dev/null
+++ b/src/ytdl_sub/utils/thumbnail.py
@@ -0,0 +1,66 @@
+import os
+from pathlib import Path
+from typing import Optional
+from urllib.request import urlopen
+
+from PIL.Image import Image
+from PIL.Image import open as pil_open
+
+from ytdl_sub.entries.entry import Entry
+
+
+def _get_downloaded_thumbnail_path(entry: Entry) -> Optional[str]:
+    thumbnails = entry.kwargs("thumbnails")
+    possible_thumbnail_exts = set()
+
+    # The source `thumbnail` value and the actual downloaded thumbnail extension sometimes do
+    # not match. Find all possible extensions by checking all available thumbnails.
+    for thumbnail in thumbnails:
+        possible_thumbnail_exts.add(thumbnail["url"].split(".")[-1])
+
+    for ext in possible_thumbnail_exts:
+        possible_thumbnail_path = str(Path(entry.working_directory()) / f"{entry.uid}.{ext}")
+        if os.path.isfile(possible_thumbnail_path):
+            return possible_thumbnail_path
+
+    return None
+
+
+def convert_download_thumbnail(entry: Entry):
+    """
+    Converts an entry's downloaded thumbnail into jpg format
+
+    Parameters
+    ----------
+    entry
+        Entry with the thumbnail
+
+    Raises
+    ------
+    ValueError
+        Entry thumbnail file not found
+    """
+    download_thumbnail_path = _get_downloaded_thumbnail_path(entry=entry)
+    download_thumbnail_path_as_jpg = entry.get_download_thumbnail_path()
+    if not download_thumbnail_path:
+        raise ValueError("Thumbnail not found")
+
+    image: Image = pil_open(download_thumbnail_path).convert("RGB")
+    image.save(fp=download_thumbnail_path_as_jpg, format="jpeg")
+
+
+def convert_url_thumbnail(thumbnail_url: str, output_thumbnail_path: str):
+    """
+    Downloads and converts a thumbnail from a url into a jpg
+
+    Parameters
+    ----------
+    thumbnail_url
+        URL of the thumbnail
+    output_thumbnail_path
+        Thumbnail file destination after its converted to jpg
+    """
+    with urlopen(thumbnail_url) as file:
+        image: Image = pil_open(file).convert("RGB")
+
+    image.save(fp=output_thumbnail_path, format="jpeg")
diff --git a/tests/unit/entries/conftest.py b/tests/unit/entries/conftest.py
index e24a9aef..31e1a0d8 100644
--- a/tests/unit/entries/conftest.py
+++ b/tests/unit/entries/conftest.py
@@ -57,7 +57,7 @@ def ext():
 
 @pytest.fixture
 def thumbnail_ext():
-    return "yall"
+    return "jpg"
 
 
 @pytest.fixture