diff --git a/docs/dist/v1/chartifact.html-wrapper.umd.js b/docs/dist/v1/chartifact.html-wrapper.umd.js
new file mode 100644
index 00000000..5980a7e8
--- /dev/null
+++ b/docs/dist/v1/chartifact.html-wrapper.umd.js
@@ -0,0 +1,174 @@
+(function(global, factory) {
+  typeof exports === "object" && typeof module !== "undefined" ? factory(exports) : typeof define === "function" && define.amd ? define(["exports"], factory) : (global = typeof globalThis !== "undefined" ? globalThis : global || self, factory(global.Chartifact = global.Chartifact || {}));
+})(this, (function(exports2) {
+  "use strict";
+  const htmlMarkdown = `<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{{TITLE}}</title>
+    <link rel="stylesheet" href="https://microsoft.github.io/chartifact/dist/v1/chartifact-toolbar.css" />
+    <script src="https://microsoft.github.io/chartifact/dist/v1/chartifact.toolbar.umd.js"><\/script>
+    <script src="https://microsoft.github.io/chartifact/dist/v1/chartifact.sandbox.umd.js"><\/script>
+</head>
+
+<body class="chartifact-body">
+
+    <header class="chartifact-toolbar"></header>
+
+    <main class="chartifact-main">
+        <textarea class="chartifact-source" id="source" spellcheck="false"
+            placeholder="Type your Chartifact markdown here...">{{TEXTAREA_CONTENT}}</textarea>
+
+        <div class="chartifact-preview" id="preview"></div>
+
+    </main>
+
+    {{HTML_MARKDOWN_JS}}
+
+</body>
+
+</html>`;
+  const htmlMarkdownJs = `/**
+* Copyright (c) Microsoft Corporation.
+* Licensed under the MIT License.
+*/
+window.addEventListener('DOMContentLoaded', () => {
+    const textarea = document.querySelector('#source');
+    const sandbox = new Chartifact.sandbox.Sandbox('#preview', textarea.value, {
+        onApprove: (message) => {
+            //Here you can approve unapproved specs per your own policy
+            const { specs } = message;
+            return specs;
+        },
+        onError: (error) => {
+            console.error('Sandbox error:', error);
+        },
+    });
+    textarea.addEventListener('input', () => {
+        sandbox.send(textarea.value);
+    });
+    const toolbar = Chartifact.toolbar.create('.chartifact-toolbar', { tweakButton: true, textarea });
+    toolbar.manageTextareaVisibilityForAgents();
+});
+`;
+  const htmlJson = `<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{{TITLE}}</title>
+    <link rel="stylesheet" href="https://microsoft.github.io/chartifact/dist/v1/chartifact-toolbar.css" />
+    <script src="https://unpkg.com/js-yaml/dist/js-yaml.min.js"><\/script>
+    <script src="https://cdn.jsdelivr.net/npm/vega@5.29.0"><\/script>
+    <script src="https://microsoft.github.io/chartifact/dist/v1/chartifact.toolbar.umd.js"><\/script>
+    <script src="https://microsoft.github.io/chartifact/dist/v1/chartifact.compiler.umd.js"><\/script>
+    <script src="https://microsoft.github.io/chartifact/dist/v1/chartifact.sandbox.umd.js"><\/script>
+</head>
+
+<body class="chartifact-body">
+
+    <header class="chartifact-toolbar"></header>
+
+    <main class="chartifact-main">
+        <textarea class="chartifact-source" id="source" spellcheck="false"
+            placeholder="Type your Chartifact json here...">{{TEXTAREA_CONTENT}}</textarea>
+
+        <div class="chartifact-preview" id="preview"></div>
+
+    </main>
+
+    {{HTML_JSON_JS}}
+
+</body>
+
+</html>`;
+  const htmlJsonJs = `/**
+* Copyright (c) Microsoft Corporation.
+* Licensed under the MIT License.
+*/
+window.addEventListener('DOMContentLoaded', () => {
+    const textarea = document.querySelector('#source');
+    let sandbox;
+    const render = () => {
+        const json = textarea.value;
+        let markdown;
+        try {
+            const interactiveDocument = JSON.parse(json);
+            if (typeof interactiveDocument !== 'object') {
+                markdown = 'Invalid Interactive Document JSON';
+            }
+            else {
+                markdown = Chartifact.compiler.targetMarkdown(interactiveDocument);
+            }
+        }
+        catch (error) {
+            markdown = 'Failed to parse Interactive Document JSON';
+        }
+        if (!sandbox) {
+            sandbox = new Chartifact.sandbox.Sandbox('#preview', markdown, {
+                onApprove: (message) => {
+                    //Here you can approve unapproved specs per your own policy
+                    const { specs } = message;
+                    return specs;
+                },
+                onError: (error) => {
+                    console.error('Sandbox error:', error);
+                },
+            });
+        }
+        else {
+            sandbox.send(markdown);
+        }
+    };
+    textarea.addEventListener('input', render);
+    render();
+    const toolbar = Chartifact.toolbar.create('.chartifact-toolbar', { tweakButton: true, textarea, mode: 'json' });
+    toolbar.manageTextareaVisibilityForAgents();
+});
+`;
+  function htmlMarkdownWrapper(title, markdown) {
+    const template = htmlMarkdown;
+    const result = template.replace("{{TITLE}}", () => escapeHtml(title)).replace("{{HTML_MARKDOWN_JS}}", () => `<script>
+${htmlMarkdownJs}
+<\/script>`).replace("{{TEXTAREA_CONTENT}}", () => escapeTextareaContent(markdown));
+    return result;
+  }
+  function htmlJsonWrapper(title, json) {
+    const template = htmlJson;
+    const result = template.replace("{{TITLE}}", () => escapeHtml(title)).replace("{{HTML_JSON_JS}}", () => `<script>
+${htmlJsonJs}
+<\/script>`).replace("{{TEXTAREA_CONTENT}}", () => escapeTextareaContent(json));
+    return result;
+  }
+  function escapeTextareaContent(text) {
+    return text.replace(/<\/textarea>/gi, "&lt;/textarea&gt;").replace(/<script/gi, "&lt;script").replace(/<\/script>/gi, "&lt;/script&gt;");
+  }
+  function escapeHtml(text) {
+    return text.replace(/[&<>"']/g, (char) => {
+      switch (char) {
+        case "&":
+          return "&amp;";
+        case "<":
+          return "&lt;";
+        case ">":
+          return "&gt;";
+        case '"':
+          return "&quot;";
+        case "'":
+          return "&#39;";
+        default:
+          return char;
+      }
+    });
+  }
+  const index = {
+    htmlMarkdownWrapper,
+    htmlJsonWrapper
+  };
+  exports2.htmlWrapper = index;
+  Object.defineProperty(exports2, Symbol.toStringTag, { value: "Module" });
+}));
diff --git a/packages/html-wrapper/.gitignore b/packages/html-wrapper/.gitignore
index aa39c028..350b6073 100644
--- a/packages/html-wrapper/.gitignore
+++ b/packages/html-wrapper/.gitignore
@@ -2,3 +2,4 @@ js
 !dist
 dist/html**.*
 dist/index.mjs
+dist/umd
diff --git a/packages/html-wrapper/package.json b/packages/html-wrapper/package.json
index a8b017c1..a5e46ba3 100644
--- a/packages/html-wrapper/package.json
+++ b/packages/html-wrapper/package.json
@@ -9,6 +9,7 @@
     "clean": "rimraf dist && rimraf js",
     "tsc-client": "tsc -p ./tsconfig.json",
     "tsc-server": "tsc -p ./tsconfig-server.json",
+    "bundle": "vite build --config vite.bundle.config.js",
     "build": "npm run clean && npm run tsc-server && npm run tsc-client && npm run resources",
     "build:05": "npm run build"
   },
diff --git a/packages/html-wrapper/test/test-umd.html b/packages/html-wrapper/test/test-umd.html
new file mode 100644
index 00000000..2f1eb9d8
--- /dev/null
+++ b/packages/html-wrapper/test/test-umd.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>HTML Wrapper UMD Test</title>
+    <link rel="stylesheet" href="https://microsoft.github.io/chartifact/dist/v1/chartifact-toolbar.css" />
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            margin: 0;
+            padding: 20px;
+        }
+        .test-section {
+            margin-bottom: 40px;
+            border: 1px solid #ddd;
+            padding: 20px;
+            border-radius: 5px;
+        }
+        h1 {
+            color: #333;
+        }
+        h2 {
+            color: #666;
+            margin-top: 0;
+        }
+        textarea {
+            width: 100%;
+            min-height: 150px;
+            padding: 10px;
+            font-family: monospace;
+            border: 1px solid #ccc;
+            border-radius: 4px;
+            margin-bottom: 10px;
+        }
+        #preview-md, #preview-json {
+            border: 1px solid #ccc;
+            padding: 10px;
+            min-height: 200px;
+            background: #f9f9f9;
+            border-radius: 4px;
+        }
+        .success {
+            color: green;
+            font-weight: bold;
+        }
+        .error {
+            color: red;
+            font-weight: bold;
+        }
+    </style>
+</head>
+<body>
+    <h1>HTML Wrapper UMD Bundle Test</h1>
+    
+    <div class="test-section">
+        <h2>Test 1: Check if UMD bundle loads</h2>
+        <div id="load-test"></div>
+    </div>
+
+    <div class="test-section">
+        <h2>Test 2: Markdown Viewer</h2>
+        <div class="chartifact-toolbar-md"></div>
+        <textarea id="source-md" spellcheck="false"># Hello Chartifact
+
+This is a test of the markdown viewer.</textarea>
+        <div id="preview-md"></div>
+        <div id="md-test"></div>
+    </div>
+
+    <div class="test-section">
+        <h2>Test 3: JSON Viewer</h2>
+        <div class="chartifact-toolbar-json"></div>
+        <textarea id="source-json" spellcheck="false">{
+  "title": "Test Document",
+  "components": [
+    {
+      "type": "text",
+      "content": "# Hello from JSON\n\nThis is a test."
+    }
+  ]
+}</textarea>
+        <div id="preview-json"></div>
+        <div id="json-test"></div>
+    </div>
+
+    <!-- Load dependencies first -->
+    <script src="https://microsoft.github.io/chartifact/dist/v1/chartifact.toolbar.umd.js"></script>
+    <script src="https://microsoft.github.io/chartifact/dist/v1/chartifact.sandbox.umd.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/vega@5.29.0"></script>
+    <script src="https://unpkg.com/js-yaml/dist/js-yaml.min.js"></script>
+    <script src="https://microsoft.github.io/chartifact/dist/v1/chartifact.compiler.umd.js"></script>
+    
+    <!-- Load html-wrapper UMD bundle -->
+    <script src="../../docs/dist/v1/chartifact.html-wrapper.umd.js"></script>
+
+    <script>
+        // Test 1: Check if the module loaded
+        const loadTestDiv = document.getElementById('load-test');
+        if (typeof Chartifact !== 'undefined' && Chartifact.htmlWrapper) {
+            loadTestDiv.innerHTML = '<span class="success">✓ UMD bundle loaded successfully!</span>';
+            loadTestDiv.innerHTML += '<br>Available functions: ' + Object.keys(Chartifact.htmlWrapper).join(', ');
+        } else {
+            loadTestDiv.innerHTML = '<span class="error">✗ Failed to load UMD bundle</span>';
+        }
+
+        // Test 2: Markdown Viewer and Test 3: JSON Viewer
+        function initializeViewers() {
+            const mdTestDiv = document.getElementById('md-test');
+            try {
+                const result = Chartifact.htmlWrapper.initMarkdownViewer('#source-md', '#preview-md', '.chartifact-toolbar-md');
+                if (result && result.sandbox && result.toolbar) {
+                    mdTestDiv.innerHTML = '<span class="success">✓ Markdown viewer initialized successfully!</span>';
+                } else {
+                    mdTestDiv.innerHTML = '<span class="error">✗ Markdown viewer initialization returned unexpected result</span>';
+                }
+            } catch (error) {
+                mdTestDiv.innerHTML = '<span class="error">✗ Error initializing markdown viewer: ' + error.message + '</span>';
+            }
+
+            const jsonTestDiv = document.getElementById('json-test');
+            try {
+                const result = Chartifact.htmlWrapper.initJsonViewer('#source-json', '#preview-json', '.chartifact-toolbar-json');
+                if (result && result.sandbox && result.toolbar) {
+                    jsonTestDiv.innerHTML = '<span class="success">✓ JSON viewer initialized successfully!</span>';
+                } else {
+                    jsonTestDiv.innerHTML = '<span class="error">✗ JSON viewer initialization returned unexpected result</span>';
+                }
+            } catch (error) {
+                jsonTestDiv.innerHTML = '<span class="error">✗ Error initializing JSON viewer: ' + error.message + '</span>';
+            }
+        }
+
+        // Handle case where DOMContentLoaded may have already fired
+        if (document.readyState === 'loading') {
+            window.addEventListener('DOMContentLoaded', initializeViewers);
+        } else {
+            initializeViewers();
+        }
+    </script>
+</body>
+</html>
diff --git a/packages/html-wrapper/umd.ts b/packages/html-wrapper/umd.ts
new file mode 100644
index 00000000..6ea497f1
--- /dev/null
+++ b/packages/html-wrapper/umd.ts
@@ -0,0 +1,5 @@
+/**
+* Copyright (c) Microsoft Corporation.
+* Licensed under the MIT License.
+*/
+export { default as htmlWrapper } from './dist/index.mjs';
diff --git a/packages/html-wrapper/vite.bundle.config.js b/packages/html-wrapper/vite.bundle.config.js
new file mode 100644
index 00000000..179520b1
--- /dev/null
+++ b/packages/html-wrapper/vite.bundle.config.js
@@ -0,0 +1,42 @@
+import { defineConfig } from 'vite';
+import resolve from '@rollup/plugin-node-resolve';
+import commonjs from '@rollup/plugin-commonjs';
+
+const commonOutputConfig = {
+  format: 'umd',
+  name: 'Chartifact',
+  extend: true,
+  globals: {
+    'vega': 'vega',
+    'vega-lite': 'vegaLite',
+  },
+  entryFileNames: 'chartifact.html-wrapper.umd.js',
+};
+
+export default defineConfig({
+  build: {
+    lib: {
+      entry: './umd.ts',
+    },
+    minify: false,
+    emptyOutDir: false,
+    rollupOptions: {
+      // External dependencies that the library expects consumers to provide
+      external: ['vega', 'vega-lite'],
+      output: [
+        {
+          ...commonOutputConfig,
+          dir: './dist/umd',
+        },
+        {
+          ...commonOutputConfig,
+          dir: '../../docs/dist/v1',
+        },
+      ],
+      plugins: [
+        resolve(),   // Resolves Node modules
+        commonjs(),  // Converts CommonJS to ES6
+      ],
+    },
+  },
+});
