EJS Online Compiler / Playground
Write, render, and test EJS templates with dynamic HTML data online using our free Online EJS Compiler / Playground. Practice variables, loops, conditions, reusable markup, and EJS tags without installing Node.js, configuring Express, or creating a local server environment.
How to Use This EJS Compiler
- Write or paste your EJS template
Enter EJS and HTML code in the Code Editor. You can use tags such as<% %>,<%= %>, loops, conditions, variables, and other supported template features. - Click the Run button
Select Run to process the template using the pre-configured EJS environment. Edit your template or sample data and run it again to test different rendering logic. - View the rendered Output
Check the generated HTML or rendered result in the Output terminal/preview screen. Use the available copy, download, and delete controls to manage the output.
Key Features
- Pre-Configured EJS Environment: Test supported EJS templates without manually installing packages.
- Zero Installation: No Node.js, npm, Express, or local server setup required for supported examples.
- Instant Template Rendering: Click Run and quickly inspect the generated output.
- Dynamic Data Rendering: Insert variables and values into HTML using EJS expressions.
- Loops & Conditions: Test
forEach,for...of,if,else, and other JavaScript logic inside templates. - HTML Escaping Support: Practice escaped and raw output using supported EJS tags.
- Reusable Template Logic: Experiment with repeated cards, lists, tables, navigation items, and other dynamic structures.
- Dark & Light Mode: Switch the Code Editor theme for comfortable development.
- Output Preview: Review the rendered HTML directly in the browser.
- Copy & Download Controls: Save or reuse your rendered output quickly.
1. How do I pass data and use EJS tags like and here?
EJS provides different tags for JavaScript logic and rendered values.
Use <%= %> to output an escaped value:
<h1>Hello, <%= name %>!</h1>
<p>Your role is <%= role %>.</p>
With sample data such as:
{
name: "Alex",
role: "Full-Stack Developer"
}
The rendered HTML would display the supplied values.
Use <% %> when you want to run JavaScript without directly printing the result:
<% if (isLoggedIn) { %>
<h2>Welcome back!</h2>
<% } else { %>
<h2>Please sign in.</h2>
<% } %>
You can also loop through data:
<ul>
<% languages.forEach(function(language) { %>
<li><%= language %></li>
<% }); %>
</ul>
Example data:
{
languages: [
"JavaScript",
"Node.js",
"EJS"
]
}
2. Do I need to set up a local Node.js server or Express app to use this tool?
No. The Online EJS Compiler / Playground provides a pre-configured environment for supported EJS examples, so you can practice template syntax without creating a local Node.js or Express project.
For example:
<div class="profile">
<h2><%= user.name %></h2>
<p><%= user.email %></p>
</div>
With data:
{
user: {
name: "Alex",
email: "alex@example.com"
}
}
A full Node.js or Express setup is still useful for production applications where templates receive data from routes, databases, APIs, authentication systems, or middleware.
3. Is this online compiler suitable for testing dynamic HTML templates?
Yes. It is useful for testing EJS template logic before adding it to a larger application.
For example, you can dynamically render product cards:
<div class="products">
<% products.forEach(function(product) { %>
<article class="product-card">
<h3><%= product.name %></h3>
<p>Price: $<%= product.price %></p>
<% if (product.inStock) { %>
<span>In Stock</span>
<% } else { %>
<span>Out of Stock</span>
<% } %>
</article>
<% }); %>
</div>
Sample data:
{
products: [
{
name: "Keyboard",
price: 79,
inStock: true
},
{
name: "Monitor",
price: 249,
inStock: false
}
]
}
You can also test dynamic tables:
<table>
<thead>
<tr>
<th>Name</th>
<th>Role</th>
</tr>
</thead>
<tbody>
<% users.forEach(function(user) { %>
<tr>
<td><%= user.name %></td>
<td><%= user.role %></td>
</tr>
<% }); %>
</tbody>
</table>
4. Can I copy or download my compiled output code?
Yes. After running your EJS template, use the available copy or download controls in the Output panel to save the rendered result.
For example:
<section>
<h1><%= title %></h1>
<p><%= description %></p>
<% if (showButton) { %>
<button>Learn More</button>
<% } %>
</section>
Sample data:
{
title: "Online EJS Compiler",
description: "Render dynamic EJS templates directly online.",
showButton: true
}
If your playground returns generated HTML, you can copy or download that rendered markup for reuse. If it displays a visual preview, the available output controls can be used according to the playground’s supported export behavior.
The Online EJS Compiler / Playground is useful for backend developers, full-stack engineers, and students who want to practice EJS syntax, dynamic HTML rendering, loops, conditions, and data-driven templates without configuring a complete Node.js application.