diff --git a/PKHeX.Core/PKM/PKMConverter.cs b/PKHeX.Core/PKM/PKMConverter.cs
index 3a4fc0488..ce581380d 100644
--- a/PKHeX.Core/PKM/PKMConverter.cs
+++ b/PKHeX.Core/PKM/PKMConverter.cs
@@ -200,7 +200,7 @@ namespace PKHeX.Core
         /// <returns>Converted PKM</returns>
         public static PKM ConvertToType(PKM pk, Type PKMType, out string comment)
         {
-            if (pk == null || pk.Species == 0)
+            if (pk == null)
             {
                 comment = $"Bad {nameof(pk)} input. Aborting.";
                 return null;
@@ -392,6 +392,35 @@ namespace PKHeX.Core
             }
         }
 
+        /// <summary>
+        /// Checks if the input <see cref="PKM"/> is compatible with the target <see cref="PKM"/>.
+        /// </summary>
+        /// <param name="pk">Input to check -> update/sanitize</param>
+        /// <param name="target">Target type PKM with misc properties accessible for checking.</param>
+        /// <param name="c">Comment output</param>
+        /// <param name="pkm">Output compatible PKM</param>
+        /// <returns>Indication if the input is (now) compatible with the target.</returns>
+        public static bool TryMakePKMCompatible(PKM pk, PKM target, out string c, out PKM pkm)
+        {
+            if (!IsConvertibleToFormat(pk, target.Format))
+            {
+                pkm = null;
+                c = $"Can't load {pk.GetType().Name}s to Gen{target.Format} saves.";
+                return false;
+            }
+            if (target.Format < 3 && pk.Japanese != target.Japanese)
+            {
+                pkm = null;
+                var strs = new[] { "International", "Japanese" };
+                var val = target.Japanese ? 0 : 1;
+                c = $"Cannot load {strs[val]} {pk.GetType().Name}s to {strs[val ^ 1]} saves.";
+                return false;
+            }
+            pkm = ConvertToType(pk, target.GetType(), out c);
+            Debug.WriteLine(c);
+            return pkm != null;
+        }
+
         /// <summary>
         /// Gets a Blank <see cref="PKM"/> object of the specified type.
         /// </summary>
diff --git a/PKHeX.WinForms/Controls/PKM Editor/PKMEditor.cs b/PKHeX.WinForms/Controls/PKM Editor/PKMEditor.cs
index 37b648203..6e17e795a 100644
--- a/PKHeX.WinForms/Controls/PKM Editor/PKMEditor.cs	
+++ b/PKHeX.WinForms/Controls/PKM Editor/PKMEditor.cs	
@@ -172,12 +172,16 @@ namespace PKHeX.WinForms.Controls
             if (GB_ExtraBytes.Enabled)
                 CB_ExtraBytes.SelectedIndex = 0;
         }
-        public void PopulateFields(PKM pk, bool focus = true)
+        public void PopulateFields(PKM pk, bool focus = true, bool skipConversionCheck = false) => LoadFieldsFromPKM(pk, focus, skipConversionCheck);
+        private void LoadFieldsFromPKM(PKM pk, bool focus = true, bool skipConversionCheck = true)
         {
             if (pk == null) { WinFormsUtil.Error("Attempted to load a null file."); return; }
             if (focus)
                 Tab_Main.Focus();
 
+            if (!skipConversionCheck && !PKMConverter.TryMakePKMCompatible(pk, CurrentPKM, out string c, out pk))
+            { WinFormsUtil.Alert(c); return; }
+
             bool oldInit = fieldsInitialized;
             fieldsInitialized = fieldsLoaded = false;
 
diff --git a/PKHeX.WinForms/Controls/SAV Editor/ContextMenuSAV.cs b/PKHeX.WinForms/Controls/SAV Editor/ContextMenuSAV.cs
index 87fb4b0b8..339885c03 100644
--- a/PKHeX.WinForms/Controls/SAV Editor/ContextMenuSAV.cs	
+++ b/PKHeX.WinForms/Controls/SAV Editor/ContextMenuSAV.cs	
@@ -33,7 +33,7 @@ namespace PKHeX.WinForms.Controls
             if ((sender as PictureBox)?.Image == null)
             { System.Media.SystemSounds.Asterisk.Play(); return; }
 
-            m.SE.PKME_Tabs.PopulateFields(m.GetPKM(info), false);
+            m.SE.PKME_Tabs.PopulateFields(m.GetPKM(info), false, true);
             m.SetColor(info.Box, info.Slot, Resources.slotView);
         }
         private static void ClickSet(object sender, EventArgs e)
diff --git a/PKHeX.WinForms/MainWindow/Main.cs b/PKHeX.WinForms/MainWindow/Main.cs
index c77cc0789..69836a043 100644
--- a/PKHeX.WinForms/MainWindow/Main.cs
+++ b/PKHeX.WinForms/MainWindow/Main.cs
@@ -575,27 +575,11 @@ namespace PKHeX.WinForms
         }
         private bool TryLoadPKM(byte[] input, string path, string ext, SaveFile SAV)
         {
-            var temp = PKMConverter.GetPKMfromBytes(input, prefer: ext.Length > 0 ? (ext.Last() - '0') & 0xF : C_SAV.SAV.Generation);
-            if (temp == null)
-                return false;
-
-            var type = PKME_Tabs.CurrentPKM.GetType();
-            PKM pk = PKMConverter.ConvertToType(temp, type, out string c);
+            var pk = PKMConverter.GetPKMfromBytes(input, prefer: ext.Length > 0 ? (ext.Last() - '0') & 0xF : C_SAV.SAV.Generation);
             if (pk == null)
-            {
-                WinFormsUtil.Alert("Conversion failed.", c);
-                return true;
-            }
-            if (SAV.Generation < 3 && pk.Japanese != SAV.Japanese)
-            {
-                var strs = new[] { "International", "Japanese" };
-                var val = SAV.Japanese ? 0 : 1;
-                WinFormsUtil.Alert($"Cannot load {strs[val]} {pk.GetType().Name}s to {strs[val ^ 1]} saves.");
-                return true;
-            }
+                return false;
             
             PKME_Tabs.PopulateFields(pk);
-            Debug.WriteLine(c);
             return true;
         }
         private bool TryLoadPCBoxBin(byte[] input)