diff --git a/app/MindWork AI Studio/Components/AttachDocuments.razor.cs b/app/MindWork AI Studio/Components/AttachDocuments.razor.cs
index 1ddb460c..a911f62b 100644
--- a/app/MindWork AI Studio/Components/AttachDocuments.razor.cs	
+++ b/app/MindWork AI Studio/Components/AttachDocuments.razor.cs	
@@ -1,6 +1,7 @@
 using AIStudio.Dialogs;
 using AIStudio.Tools.Rust;
 using AIStudio.Tools.Services;
+using AIStudio.Tools.Validation;
 
 using Microsoft.AspNetCore.Components;
 
@@ -91,7 +92,7 @@ public partial class AttachDocuments : MSGComponentBase
 
                 foreach (var path in paths)
                 {
-                    if(!await this.IsFileExtensionValid(path))
+                    if(!await FileExtensionValidation.IsExtensionValidWithNotifyAsync(path))
                         continue;
 
                     this.DocumentPaths.Add(path);
@@ -133,7 +134,7 @@ public partial class AttachDocuments : MSGComponentBase
         if (!File.Exists(selectedFile.SelectedFilePath))
             return;
 
-        if (!await this.IsFileExtensionValid(selectedFile.SelectedFilePath))
+        if (!await FileExtensionValidation.IsExtensionValidWithNotifyAsync(selectedFile.SelectedFilePath))
             return;
 
         this.DocumentPaths.Add(selectedFile.SelectedFilePath);
@@ -141,36 +142,6 @@ public partial class AttachDocuments : MSGComponentBase
         await this.OnChange(this.DocumentPaths);
     }
 
-    private async Task<bool> IsFileExtensionValid(string selectedFile)
-    {
-        var ext = Path.GetExtension(selectedFile).TrimStart('.');
-        if (Array.Exists(FileTypeFilter.Executables.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
-        {
-            await MessageBus.INSTANCE.SendError(new(Icons.Material.Filled.AppBlocking, this.T("Executables are not allowed")));
-            return false;
-        }
-
-        if (Array.Exists(FileTypeFilter.AllImages.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
-        {
-            await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.ImageNotSupported, this.T("Images are not supported yet")));
-            return false;
-        }
-        
-        if (Array.Exists(FileTypeFilter.AllVideos.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
-        {
-            await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.FeaturedVideo, this.T("Videos are not supported yet")));
-            return false;
-        }
-        
-        if (Array.Exists(FileTypeFilter.AllAudio.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
-        {
-            await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.AudioFile, this.T("Audio files are not supported yet")));
-            return false;
-        }
-
-        return true;
-    }
-
     private async Task ClearAllFiles()
     {
         this.DocumentPaths.Clear();
diff --git a/app/MindWork AI Studio/Components/ReadFileContent.razor.cs b/app/MindWork AI Studio/Components/ReadFileContent.razor.cs
index 422ad70e..cd970cd4 100644
--- a/app/MindWork AI Studio/Components/ReadFileContent.razor.cs	
+++ b/app/MindWork AI Studio/Components/ReadFileContent.razor.cs	
@@ -1,5 +1,5 @@
-using AIStudio.Tools.Rust;
 using AIStudio.Tools.Services;
+using AIStudio.Tools.Validation;
 
 using Microsoft.AspNetCore.Components;
 
@@ -55,35 +55,12 @@ public partial class ReadFileContent : MSGComponentBase
             return;
         }
 
-        var ext = Path.GetExtension(selectedFile.SelectedFilePath).TrimStart('.');
-        if (Array.Exists(FileTypeFilter.Executables.FilterExtensions, x => x.Equals(ext,  StringComparison.OrdinalIgnoreCase)))
+        if (!await FileExtensionValidation.IsExtensionValidWithNotifyAsync(selectedFile.SelectedFilePath))
         {
-            this.Logger.LogWarning("User attempted to load executable file: {FilePath} with extension: {Extension}", selectedFile.SelectedFilePath, ext);
-            await MessageBus.INSTANCE.SendError(new(Icons.Material.Filled.AppBlocking, T("Executables are not allowed")));
+            this.Logger.LogWarning("User attempted to load unsupported file: {FilePath}", selectedFile.SelectedFilePath);
             return;
         }
 
-        if (Array.Exists(FileTypeFilter.AllImages.FilterExtensions, x => x.Equals(ext,  StringComparison.OrdinalIgnoreCase)))
-        {
-            this.Logger.LogWarning("User attempted to load image file: {FilePath} with extension: {Extension}", selectedFile.SelectedFilePath, ext);
-            await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.ImageNotSupported, T("Images are not supported yet")));
-            return;
-        }
-
-        if (Array.Exists(FileTypeFilter.AllVideos.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
-        {
-            this.Logger.LogWarning("User attempted to load video file: {FilePath} with extension: {Extension}", selectedFile.SelectedFilePath, ext);
-            await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.FeaturedVideo, this.T("Videos are not supported yet")));
-            return;
-        }
-        
-        if (Array.Exists(FileTypeFilter.AllAudio.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
-        {
-            this.Logger.LogWarning("User attempted to load audio file: {FilePath} with extension: {Extension}", selectedFile.SelectedFilePath, ext);
-            await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.AudioFile, this.T("Audio files are not supported yet")));
-            return;
-        }
-        
         try
         {
             var fileContent = await UserFile.LoadFileData(selectedFile.SelectedFilePath, this.RustService, this.DialogService);
diff --git a/app/MindWork AI Studio/Tools/Validation/FileExtensionValidation.cs b/app/MindWork AI Studio/Tools/Validation/FileExtensionValidation.cs
new file mode 100644
index 00000000..cc40c959
--- /dev/null
+++ b/app/MindWork AI Studio/Tools/Validation/FileExtensionValidation.cs	
@@ -0,0 +1,55 @@
+using AIStudio.Tools.PluginSystem;
+using AIStudio.Tools.Rust;
+
+namespace AIStudio.Tools.Validation;
+
+/// <summary>
+/// Provides centralized validation for file extensions.
+/// </summary>
+public static class FileExtensionValidation
+{
+    private static string TB(string fallbackEN) => I18N.I.T(fallbackEN, typeof(FileExtensionValidation).Namespace, nameof(FileExtensionValidation));
+
+    /// <summary>
+    /// Validates the file extension and sends appropriate MessageBus notifications when invalid.
+    /// </summary>
+    /// <param name="filePath">The file path to validate.</param>
+    /// <returns>True if valid, false if invalid (error/warning already sent via MessageBus).</returns>
+    public static async Task<bool> IsExtensionValidWithNotifyAsync(string filePath)
+    {
+        var ext = Path.GetExtension(filePath).TrimStart('.');
+        if (Array.Exists(FileTypeFilter.Executables.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
+        {
+            await MessageBus.INSTANCE.SendError(new(
+                Icons.Material.Filled.AppBlocking,
+                TB("Executables are not allowed")));
+            return false;
+        }
+
+        if (Array.Exists(FileTypeFilter.AllImages.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
+        {
+            await MessageBus.INSTANCE.SendWarning(new(
+                Icons.Material.Filled.ImageNotSupported,
+                TB("Images are not supported yet")));
+            return false;
+        }
+
+        if (Array.Exists(FileTypeFilter.AllVideos.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
+        {
+            await MessageBus.INSTANCE.SendWarning(new(
+                Icons.Material.Filled.FeaturedVideo,
+                TB("Videos are not supported yet")));
+            return false;
+        }
+
+        if (Array.Exists(FileTypeFilter.AllAudio.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
+        {
+            await MessageBus.INSTANCE.SendWarning(new(
+                Icons.Material.Filled.AudioFile,
+                TB("Audio files are not supported yet")));
+            return false;
+        }
+
+        return true;
+    }
+}