HTML validator
Use W3C html validator online to validate html for errors and syntax issues. AI suggestions help to optimize code with html checker
As of May 2026, HTML validator has 556 users and a 5.00/5 rating from 3 reviews in the Developer Tools category.
Usersdown 0.5 percent−0.5%
556
556
Ratingno change0%
5.00
3 reviews
Reviewsup 50.0 percent+50.0%
3
Version
1.8
Manifest V3
History
3 snapshotsTracking since Apr 1, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 1, 2026 | 559 | 5.00 | 2 | 1.8 |
| Apr 30, 2026 | 560 | 5.00 | 2 | 1.8 |
| May 28, 2026 | 554 | 5.00 | 2 | 1.8 |
| Now | 556 | 5.00 | 3 | 1.8 |
Permissions & access
- Permissions
- storage
- Host access
- None declared
Screenshots
About
🚀 Boost Your Web Development! Meet the HTML Validator, your ultimate website checker online. Say goodbye to coding gremlins and hello to error-free glory! Struggling with pesky errors that ruin your website's vibe? Tired of spending countless hours trying to find that missing semicolon to validate HTML? Say hello to HTML Validator - the online checker that keeps your system in tip-top shape, so you can focus on what you do best: creating awesome websites! 👨💻 Versatile and Adaptable • Acts as a code validator • Functions as a web site checker • Serves as a web site validity checker • Performs HTML linting 🧐 What's the Deal with This Web Checker? It's like having a coding guru in your browser, minus the cryptic riddles and the need for caffeine. htmlvalidator examines your markup meticulously. HTML Validator checks markup for errors, ensures it follows correct syntax, and adheres to W3C validation standards - it's like a personal trainer for your development process. 🔍 Validate W3C Standards Stay compliant with: - W3C html checker - W3C markup validation - w3c html validacion - W3C validator online ✨ Why You Need This HTML Lint Tool Yesterday Eliminates errors faster than you can say validación! Provides AI-powered suggestions to improve your HTML code testing, making your markup cleaner than your kitchen after a visit from your mother-in-law. Enhances your website's performance and user experience, turning visitors into loyal fans. 🤖 AI-Powered Suggestions? Tell Me More! Our extension uses cutting-edge AI to not just find issues but also to offer smart fixes. Think of it as: ➤ Your personal development assistant ➤ A mentor who doesn't charge by the hour ➤ A code validator that never sleeps It's like having a robot butler for your web site - sans the British accent and the need to polish the silverware. 🚦 Get Green Lights from All Browsers Tired of browser compatibility issues? HTML Validator ensures your site’s just right for every browser. Like a Swiss knife, it fits all! 🌐 Perfect for All Web Wizards Whether you're: 1️⃣ A coding newbie who still thinks JavaScript is a coffee 2️⃣ A seasoned developer who dreams in binary 3️⃣ A designer dabbling in scripts Validator html is your trusty sidekick. Stop wrestling with markup and start coding with confidence, knowing that your work is backed by a powerful code checker. 📋 Features That Will Make You Go "Wow" ➤ Real-time code checking and validation - because waiting is so last decade. ➤ W3C markup validation compliance - keeping you on the good side of the web standards police. ➤ HTML5 validator capabilities and HTML linting - because we like our scriptwork lint-free. ➤ Intuitive interface that's easier to navigate than a cat video playlist. 🛠️ How It Works Install the extension, and W3C html validator starts checking your online automatically. No need for complicated setups or sacrificing a goat under a full moon. It highlights issues and provides fixes quicker than you can say check my code! Think of it as your personal guardian angel. 😂 Remember When Coding Was Hard? Remember the days when: • You spent hours debugging only to find a missing ">" • HTML validation meant printing out scripts and using a highlighter • You wished for a magic wand to fix your code Well, those days are over! 💥 Ready to Transform Your Coding Experience? HTML validator don't let markup errors hold you back from web domination. Validate your software online and watch your projects soar! 🚀 Download HTML Validator now and check the validity of your website! It's the website validity checker you've been waiting for. With w3 validator, your web site will thank you - or at least stop throwing tantrums. Click here to get started and make coding fun again! 🤔 What Problems Does HTML Validator Solve? - Coding Headaches: Quickly pinpoint tricky errors. - Compatibility Issues: Avoid browser quirks. - Validation Worries: Rest easy with W3C HTML validation. - Say goodbye to sleepless debugging nights! ❓ Frequently Asked Questions Q: Does it support HTML5 validation? A: Absolutely! It handles HTML5 like a breeze. Q: Can it check HTML online? A: Yes, it's an online checker that verifies your website instantly. 🎯 Features to Love 1. Real-time code checking 2. Compliance with W3C standards 3. AI-driven suggestions 4. User-friendly interface 🌟 Experience W3C HTML Validation Bliss Align with industry standards using our w3c markup validation service. Who needs a coding therapist when you can have a perfectly harmonious code through the w3c validator?
Technical
- Version
- 1.8
- Manifest
- V3
- Size
- 1.07MiB
- Min Chrome
- 88
- Languages
- 52
- Featured
- No
Metadata
- ID
- aofddmgnidinflambjlfkpboeamdldbd
- Developer ID
- uac119d969ae01a31a8e9c66a45e0a849
- Developer Email
- [email protected]
- Created
- Nov 9, 2024
- Last Updated (Store)
- Nov 19, 2024
- Last Scraped
- May 28, 2026
- Website
- htmlvalidator.app
- Support URL
- —
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Data sourced from the Chrome Web Store · last verified May 28, 2026.