diff --git a/SabreTools.Models/DosCenter/File.cs b/SabreTools.Models/DosCenter/File.cs
index 8c6f7375..1ae126c1 100644
--- a/SabreTools.Models/DosCenter/File.cs
+++ b/SabreTools.Models/DosCenter/File.cs
@@ -13,7 +13,7 @@ namespace SabreTools.Models.DosCenter
         public string CRC { get; set; }
 
         /// <remarks>date, attribute</remarks>
-        public string Date { get; set; }
+        public string? Date { get; set; }
 
         #region DO NOT USE IN PRODUCTION
 
diff --git a/SabreTools.Serialization/Internal.Deserializer.cs b/SabreTools.Serialization/Internal.Deserializer.cs
index 74f24eca..ef7d3310 100644
--- a/SabreTools.Serialization/Internal.Deserializer.cs
+++ b/SabreTools.Serialization/Internal.Deserializer.cs
@@ -314,5 +314,24 @@ namespace SabreTools.Serialization
         }
 
         #endregion
+
+        #region DosCenter
+
+        /// <summary>
+        /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.DosCenter.File"/>
+        /// </summary>
+        public static Models.DosCenter.File ConvertToDosCenter(Models.Internal.Rom item)
+        {
+            var rom = new Models.DosCenter.File
+            {
+                Name = item.ReadString(Models.Internal.Rom.NameKey),
+                Size = item.ReadString(Models.Internal.Rom.SizeKey),
+                CRC = item.ReadString(Models.Internal.Rom.CRCKey),
+                Date = item.ReadString(Models.Internal.Rom.DateKey),
+            };
+            return rom;
+        }
+
+        #endregion
     }
 }
\ No newline at end of file
diff --git a/SabreTools.Serialization/Internal.Serializer.cs b/SabreTools.Serialization/Internal.Serializer.cs
index 2492f4c6..873ec221 100644
--- a/SabreTools.Serialization/Internal.Serializer.cs
+++ b/SabreTools.Serialization/Internal.Serializer.cs
@@ -65,7 +65,7 @@ namespace SabreTools.Serialization
                 [Models.Internal.Rom.WordConfidenceInterval71To80Key] = item.WordConfidenceInterval71To80,
                 [Models.Internal.Rom.WordConfidenceInterval81To90Key] = item.WordConfidenceInterval81To90,
                 [Models.Internal.Rom.WordConfidenceInterval91To100Key] = item.WordConfidenceInterval91To100,
-                
+
                 [Models.Internal.Rom.AlbumKey] = item.Album,
                 [Models.Internal.Rom.ArtistKey] = item.Artist,
                 [Models.Internal.Rom.BitrateKey] = item.Bitrate,
@@ -315,5 +315,24 @@ namespace SabreTools.Serialization
         }
 
         #endregion
+
+        #region DosCenter
+
+        /// <summary>
+        /// Convert from <cref="Models.DosCenter.File"/> to <cref="Models.Internal.Rom"/>
+        /// </summary>
+        public static Models.Internal.Rom ConvertFromDosCenter(Models.DosCenter.File item)
+        {
+            var rom = new Models.Internal.Rom
+            {
+                [Models.Internal.Rom.NameKey] = item.Name,
+                [Models.Internal.Rom.SizeKey] = item.Size,
+                [Models.Internal.Rom.CRCKey] = item.CRC,
+                [Models.Internal.Rom.DateKey] = item.Date,
+            };
+            return rom;
+        }
+
+        #endregion
     }
 }
\ No newline at end of file