diff --git a/.vscode/settings.json b/.vscode/settings.json
index d3f90560..ef14a3c0 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -30,6 +30,7 @@
     "edgechromium",
     "engineio",
     "euuo",
+    "faststart",
     "finaldir",
     "flac",
     "forcejson",
@@ -52,6 +53,7 @@
     "Microformat",
     "microformats",
     "mkvtoolsnix",
+    "movflags",
     "mpegts",
     "msvideo",
     "muxdelay",
@@ -73,6 +75,7 @@
     "qtpy",
     "quicktime",
     "rejecttitle",
+    "remux",
     "rtime",
     "smhd",
     "socketio",
diff --git a/app/library/Presets.py b/app/library/Presets.py
index 6ef5e2c6..ee6c149d 100644
--- a/app/library/Presets.py
+++ b/app/library/Presets.py
@@ -20,34 +20,39 @@ DEFAULT_PRESETS: list[dict[int, dict[str, str | bool]]] = [
         "id": "3e163c6c-64eb-4448-924f-814b629b3810",
         "name": "default",
         "default": True,
+        "description": "Default preset for yt-dlp. It will download whatever yt-dlp decides is the best quality for the video and audio.",
     },
     {
-        "id": "5bf9c42b-8852-468a-99f5-915622dfba25",
-        "name": "Best video and audio",
-        "cli": "--format 'bv+ba/b'",
+        "id": "441675ed-b739-40f0-a0b0-1ecfcb9dc48d",
+        "name": "Mobile",
+        "cli": '-t mp4 --merge-output-format mp4 --add-chapters --remux-video mp4 \n--embed-metadata --embed-thumbnail \n--postprocessor-args "-movflags +faststart"',
         "default": True,
+        "description": "This preset is designed for mobile devices. It will download the best quality video and audio in mp4 format, merge them, and add chapters, metadata, and thumbnail.",
     },
     {
         "id": "441675ed-b739-40f0-a0b0-1ecfcb9dc48b",
-        "name": "1080p H264/m4a or best available",
+        "name": "1080p",
         "cli": "-S vcodec:h264 --format 'bv[height<=1080][ext=mp4]+ba[ext=m4a]/b[ext=mp4]/b[ext=webm]'",
         "default": True,
+        "description": "Download the best quality video and audio in mp4 format for 1080p resolution.",
     },
     {
         "id": "9719fcc3-4cf2-4d88-b1e4-74dff3dba00e",
-        "name": "720p h264/m4a or best available",
+        "name": "720p",
         "cli": "-S vcodec:h264 --format 'bv[height<=720][ext=mp4]+ba[ext=m4a]/b[ext=mp4]/b[ext=webm]'",
         "default": True,
+        "description": "Download the best quality video and audio in mp4 format for 720p resolution.",
     },
     {
         "id": "a6fd4b25-2b3e-458d-bb57-b75e41cc4330",
-        "name": "Audio only",
+        "name": "Audio Only",
         "cli": "--extract-audio --add-chapters --embed-metadata --embed-thumbnail --format 'bestaudio/best'",
         "default": True,
+        "description": "This preset is designed to download only the audio of the video. It will extract the audio, add chapters, metadata, and thumbnail.",
     },
     {
         "id": "2ade2c28-cad4-4a06-b7eb-2439fdf46f60",
-        "name": "yt-dlp info reader plugin",
+        "name": "Info Reader Plugin",
         "description": 'This preset generate specific filename format and metadata to work with yt-dlp info reader plugins for jellyfin/emby and plex and to make play state sync work for WatchState.\n\nThere is one more step you need to do via Other > Terminal if you have it enabled or directly from container shell\n\nyt-dlp -I0 --write-info-json --write-thumbnail --convert-thumbnails jpg --paths /downloads/youtube -o "%(channel|Unknown_title)s [%(channel_id|Unknown_id)s]/%(title).180B [%(channel_id|Unknown_id)s].%(ext)s" -- https://www.youtube.com/channel/UCClfFsWcT3N2I7VTXXyt84A\n\nChange the url to the channel you want to download.\n\nFor more information please visit \nhttps://github.com/arabcoders/watchstate/blob/master/FAQ.md#how-to-get-watchstate-working-with-youtube-contentlibrary',
         "folder": "youtube",
         "template": "%(channel)s %(channel_id|Unknown_id)s/Season %(release_date>%Y,upload_date>%Y|Unknown)s/%(release_date>%Y%m%d,upload_date>%Y%m%d)s - %(title).180B [%(extractor)s-%(id)s].%(ext)s",
@@ -104,14 +109,16 @@ class Presets(metaclass=Singleton):
     _instance = None
     """The instance of the class."""
 
+    _config: Config = None
+
     _default: list[Preset] = []
 
     def __init__(self, file: str | Path | None = None, config: Config | None = None):
         Presets._instance = self
 
-        config = config or Config.get_instance()
+        self._config = config or Config.get_instance()
 
-        self._file: Path = Path(file) if file else Path(config.config_path).joinpath("presets.json")
+        self._file: Path = Path(file) if file else Path(self._config.config_path).joinpath("presets.json")
 
         if self._file.exists() and "600" != self._file.stat().st_mode:
             try:
@@ -163,6 +170,10 @@ class Presets(metaclass=Singleton):
         """
         self.load()
 
+        if not self.get(self._config.default_preset):
+            LOG.error(f"Default preset '{self._config.default_preset}' not found, using 'default' preset.")
+            self._config.default_preset = "default"
+
     def get_all(self) -> list[Preset]:
         """Return the items."""
         return self._default + self._items
diff --git a/ui/components/NewDownload.vue b/ui/components/NewDownload.vue
index 6cd0acdd..7d725f7d 100644
--- a/ui/components/NewDownload.vue
+++ b/ui/components/NewDownload.vue
@@ -76,16 +76,16 @@
                 <span>Opts</span>
               </button>
             </div>
-          </div>
-          <div class="column is-12" v-if="get_preset(form.preset)?.description">
-            <div class="is-overflow-auto" style="max-height: 150px;">
-              <div class="is-ellipsis is-clickable" @click="expand_description">
-                <span class="icon"><i class="fa-solid fa-info" /></span> {{ get_preset(form.preset)?.description }}
+            <div class="column is-12" v-if="!hasFormatInConfig && get_preset(form.preset)?.description">
+              <div class="is-overflow-auto" style="max-height: 150px;">
+                <div class="is-ellipsis is-clickable" @click="expand_description">
+                  <span class="icon"><i class="fa-solid fa-info" /></span> {{ get_preset(form.preset)?.description }}
+                </div>
               </div>
             </div>
           </div>
-          <div class="columns is-multiline is-mobile" v-if="showAdvanced && !config.app.basic_mode">
 
+          <div class="columns is-multiline is-mobile" v-if="showAdvanced && !config.app.basic_mode">
             <div class="column is-4-tablet is-12-mobile" v-if="!config.app.basic_mode">
               <div class="field">
                 <label class="label is-inline is-unselectable">
@@ -382,6 +382,18 @@ const convertOptions = async args => {
   return null;
 }
 
+onUpdated(async () => {
+  await nextTick()
+
+  if ('' === form.value?.preset) {
+    form.value.preset = config.app.default_preset
+  }
+
+  if (form.value?.preset && !config.presets.some(p => p.name === form.value.preset)) {
+    form.value.preset = config.app.default_preset
+  }
+})
+
 onMounted(async () => {
   await nextTick()
 
@@ -389,6 +401,10 @@ onMounted(async () => {
     form.value.preset = config.app.default_preset
   }
 
+  if (form.value?.preset && !config.presets.some(p => p.name === form.value.preset)) {
+    form.value.preset = config.app.default_preset
+  }
+
   if (props?.item) {
     Object.keys(props.item).forEach(key => {
       if (key in form.value) {
@@ -419,7 +435,6 @@ const filter_presets = (flag = true) => config.presets.filter(item => item.defau
 const get_preset = name => config.presets.find(item => item.name === name)
 const expand_description = e => toggleClass(e.target, ['is-ellipsis', 'is-pre-wrap'])
 
-
 const removeFromArchive = async url => {
   try {
     const req = await request(`/api/archive/0`, {