HTML Code Linter: Validate and Clean Your HTML Code - Free Online Tool

Welcome to our advanced HTML Code Linter tool! Easily validate and clean your HTML code to ensure it follows best practices and is free of errors. Our tool provides quick and efficient way to improve your HTML, saving you time and effort in debugging.

HTML Code Linter Tool

Features of our HTML Code Linter

Error Detection

Identify errors and warnings in your HTML code instantly.

Improvement Suggestions

Get suggestions to improve your HTML code quality and structure.

Copy Results

Easily copy the linting results for your reference.

Best Practices

Ensure your HTML follows best practices for optimal performance.

How to Use

Paste HTML Code

Copy your HTML code and paste it into the editor provided above.

Lint Your Code

Click the "Lint HTML" button to check for errors and warnings.

Review Results

Check the linter results and copy any relevant suggestions.

Frequently Asked Questions

What is an HTML linter?

An HTML linter is a tool that checks your HTML code for syntax errors and compliance with best practices.

Can I upload HTML files for linting?

Yes, you can upload .html or .htm files, and the linter will process the code within them.

Is the tool free to use?

Yes, our HTML Code Linter tool is completely free to use for everyone.

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We Value Your Feedback

Our tools are constantly evolving to meet your needs. If you have any suggestions, feature requests, or encounter any issues, please let us know. Your feedback helps us improve and provide you with the best possible solutions.

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An example image `; htmlEditor.setValue(exampleHTML.trim(), -1); showMessage("Example HTML loaded!", "success"); } function clearEditor() { if (htmlEditor) htmlEditor.setValue("", -1); if (lintOutputEditor) lintOutputEditor.setValue("", -1); showMessage("Editors cleared!", "success"); } function showMessage(message, type) { const messageContainer = document.getElementById("messageContainer"); if (messageContainer) { messageContainer.innerHTML = `
${message}
`; setTimeout(() => { messageContainer.innerHTML = ""; }, 3000); } } document.addEventListener("DOMContentLoaded", function() { initializeEditors(); const htmlFileInput = document.getElementById("htmlFileInput"); if (htmlFileInput) { htmlFileInput.addEventListener("change", function(event) { const file = event.target.files[0]; if (file && htmlEditor) { const reader = new FileReader(); reader.onload = function(e) { htmlEditor.setValue(e.target.result, -1); }; reader.readAsText(file); } }); } const mobileMenu = document.getElementById("mobile-menu"); const navMenu = document.querySelector(".nav-menu"); if (mobileMenu && navMenu) { mobileMenu.addEventListener("click", function() { navMenu.classList.toggle("active"); this.setAttribute( "aria-expanded", this.getAttribute("aria-expanded") === "true" ? "false" : "true", ); }); } const subMenuTriggers = document.querySelectorAll( ".has-submenu > .nav-link", ); subMenuTriggers.forEach((trigger) => { trigger.addEventListener("click", function(e) { if (window.innerWidth <= 768) { e.preventDefault(); this.parentNode.classList.toggle("active"); } }); }); });