diff --git a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/TextViewerPanel.cs b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/TextViewerPanel.cs
index 0b125ab..327bdd2 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/TextViewerPanel.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/TextViewerPanel.cs
@@ -25,6 +25,7 @@ using System.Windows.Threading;
 using ICSharpCode.AvalonEdit;
 using ICSharpCode.AvalonEdit.Document;
 using ICSharpCode.AvalonEdit.Highlighting;
+using ICSharpCode.AvalonEdit.Rendering;
 using QuickLook.Common.Helpers;
 using QuickLook.Common.Plugin;
 using UtfUnknown;
@@ -46,6 +47,8 @@ namespace QuickLook.Plugin.TextViewer
             WordWrap = true;
             IsReadOnly = true;
             IsManipulationEnabled = true;
+            Options.EnableEmailHyperlinks = false;
+            Options.EnableHyperlinks = false;
 
             ManipulationInertiaStarting += Viewer_ManipulationInertiaStarting;
             ManipulationStarting += Viewer_ManipulationStarting;
@@ -55,6 +58,8 @@ namespace QuickLook.Plugin.TextViewer
 
             FontFamily = new FontFamily(TranslationHelper.Get("Editor_FontFamily"));
 
+            TextArea.TextView.ElementGenerators.Add(new TruncateLongLines());
+
             LoadFileAsync(path);
         }
 
@@ -92,6 +97,29 @@ namespace QuickLook.Plugin.TextViewer
             e.Mode = ManipulationModes.Translate;
         }
 
+        private class TruncateLongLines : VisualLineElementGenerator
+        {
+            const int maxLength = 10000;
+            const string ellipsis = "……………";
+
+            public override int GetFirstInterestedOffset(int startOffset)
+            {
+                var line = CurrentContext.VisualLine.LastDocumentLine;
+                if (line.Length > maxLength)
+                {
+                    int ellipsisOffset = line.Offset + maxLength - ellipsis.Length;
+                    if (startOffset <= ellipsisOffset)
+                        return ellipsisOffset;
+                }
+                return -1;
+            }
+
+            public override VisualLineElement ConstructElement(int offset)
+            {
+                return new FormattedTextElement(ellipsis, CurrentContext.VisualLine.LastDocumentLine.EndOffset - offset);
+            }
+        }
+
         private void LoadFileAsync(string path)
         {
             Task.Run(() =>