diff --git a/paste-html-subset.docs.md b/paste-html-subset.docs.md
deleted file mode 100644
index 9ad384d9..00000000
--- a/paste-html-subset.docs.md
+++ /dev/null
@@ -1,3 +0,0 @@
-This tool converts rich text into a clean HTML subset by letting you paste formatted content from any source. Paste text into the editable area to generate sanitized HTML code that only includes supported elements like paragraphs, headings, links, and lists. The tool provides both a code view of the resulting HTML and a live preview window to verify the output appearance.
-
-<!-- Generated from commit: 6f910f4c39655775c56d02ce6e4a4693d2cfdc42 -->
\ No newline at end of file
diff --git a/paste-html-subset.html b/paste-html-subset.html
index b2207f54..ae64ee45 100644
--- a/paste-html-subset.html
+++ b/paste-html-subset.html
@@ -115,7 +115,8 @@ <h3>Supported HTML elements</h3>
       <li><strong>strong</strong> - Bold text</li>
       <li><strong>em</strong> - Italic text</li>
       <li><strong>blockquote</strong> - Quoted text</li>
-      <li><strong>code</strong> - Code snippets</li>
+      <li><strong>code</strong> - Inline code snippets</li>
+      <li><strong>pre</strong> - Preformatted text blocks</li>
       <li><strong>a</strong> - Links (href attribute is preserved)</li>
       <li><strong>h1-h6</strong> - Headings</li>
       <li><strong>ul</strong> - Unordered lists</li>
@@ -156,7 +157,7 @@ <h2>Preview</h2>
   // Function to sanitize HTML and keep only allowed tags and attributes
   function sanitizeHtml(html) {
     const allowedTags = [
-      'p', 'strong', 'em', 'blockquote', 'code', 'a', 
+      'p', 'strong', 'em', 'blockquote', 'code', 'pre', 'a',
       'h1', 'h2', 'h3', 'h4', 'h5', 'h6',
       'ul', 'ol', 'li', 'dl', 'dt', 'dd'
     ];
@@ -239,15 +240,22 @@ <h2>Preview</h2>
     
     // Split HTML by tags
     const parts = html.split(/(<\/?[^>]+>)/);
-    
+    const preStack = [];
+
     for (let i = 0; i < parts.length; i++) {
-      const part = parts[i].trim();
-      if (!part) continue;
-      
+      const rawPart = parts[i];
+      if (!rawPart) continue;
+
+      const part = rawPart.trim();
+      if (!part && preStack.length === 0) continue;
+
       // Check if it's a tag
       if (part.startsWith('<')) {
         // Closing tag
         if (part.startsWith('</')) {
+          if (/^<\/pre\b/i.test(part) && preStack.length > 0) {
+            preStack.pop();
+          }
           indent = Math.max(0, indent - 1); // Prevent negative indent
           formatted += getIndent(indent) + part + '\n';
         }
@@ -258,6 +266,9 @@ <h2>Preview</h2>
         // Opening tag
         else {
           formatted += getIndent(indent) + part + '\n';
+          if (/^<pre\b/i.test(part)) {
+            preStack.push('pre');
+          }
           // Don't increase indent for inline elements
           if (!part.match(/<(strong|em|code|a)[^>]*>/i)) {
             indent++;
@@ -265,8 +276,11 @@ <h2>Preview</h2>
         }
       }
       // Content
-      else if (part) {
-        formatted += getIndent(indent) + part + '\n';
+      else {
+        const content = preStack.length > 0 ? rawPart : part;
+        if (content || preStack.length > 0) {
+          formatted += getIndent(indent) + content + '\n';
+        }
       }
     }