HTML Syntax Validator

Validate HTML online
Simple to Use

Leveraging the HTML validator is a breeze – effortlessly validate your HTML syntax data by copying and pasting or typing your HTML data and clicking 'Validate HTML.'

Online HTML checker
Safe & Secure

We prioritize both safety and security in our code validation process. This entails executing the validation within SSL encryption, and the entire process takes place at the client level, assuring users that no code is stored during validation.

HTML Validation Tool
Open Source

The HTML Syntax validator is open-source, providing free usage without requiring sign-ups or any software installations.

Frequently Asked Questions (FAQ):

The HTML Validator in dConverter Online allows you to validate the syntax of your HTML code. It checks for correct HTML structure and provides feedback on any syntax errors.


<!DOCTYPE html>
<html lang="en">
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Sample HTML Page</title>
        body {
            font-family: Arial, sans-serif;
            background-color: #f4f4f4;
            color: #333;
            margin: 0;
            padding: 0;

        header {
            background-color: #007bff;
            color: #fff;
            text-align: center;
            padding: 10px;

        section {
            padding: 20px;
            margin: 20px;
            border: 1px solid #ddd;
            border-radius: 5px;
            background-color: #fff;

        footer {
            text-align: center;
            padding: 10px;
            background-color: #007bff;
            color: #fff;
        <h1>Welcome to My Website</h1>

        <h2>About Us</h2>
        <p>This is a sample HTML page for testing purposes.</p>

        <h2>Contact Us</h2>
        <p>Phone: +1 234 567 890</p>

        &copy; 2023 My Website. All rights reserved.


Visit the dConverter website, paste your HTML code into the provided text area, and click the "Validate" button. The tool will check the syntax and provide feedback on the validity of your HTML code.

Absolutely! The HTML Validator is designed to handle HTML code with complex structures, including nested elements, attributes, and various HTML language constructs. It checks the syntax of your entire HTML document.

No, the HTML Validator does not require any sign-up or the provision of personal information. It offers a quick and anonymous HTML syntax validation service.

The HTML Validator in dConverter Online prioritizes data safety. No data is stored on the server during the validation process. Your HTML code is processed on-the-fly, and the validation result is generated for immediate feedback.

Yes, dConverter values user feedback. If you encounter any issues or have suggestions, there is typically a feedback mechanism on the website to help improve the service.

After validating your HTML code, the HTML Validator will provide feedback on whether the syntax is valid or if there are any errors. If errors are detected, the tool will typically highlight the problematic areas for easier correction.