HTML Validator & Accessibility Auditor
HTML → Audit Report
Audit HTML code for missing alt attributes, duplicate element IDs, unclosed tags, and doctype declarations.
About this tool
About HTML Validator & Accessibility Auditor
HTML Validator & Accessibility Auditor is a free, browser-based tool that lets you audit HTML code for missing alt attributes, duplicate element IDs, unclosed tags, and doctype declarations. It supports HTML → Audit Report. Everything runs locally on your device, so your files are never uploaded to a server. There's no sign-up, no watermark, and no limit — just open HTML Validator & Accessibility Auditor, add your input, and get results instantly.
How to use HTML Validator & Accessibility Auditor
1
Paste HTML
Input HTML markup.
2
Audit Issues
Checks for missing alt tags, duplicate IDs, and missing doctype.
Key features
SEO & Accessibility
Ensure your HTML markup passes web accessibility standards.
100% Private
HTML Validator & Accessibility Auditor processes your data locally in the browser. Nothing is uploaded, tracked, or stored u2014 your files never leave your device.
Completely Free
Use HTML Validator & Accessibility Auditor as much as you want with no fees, no watermarks, and no hidden limits.
No Installation
HTML Validator & Accessibility Auditor runs in any modern browser. There's nothing to download, install, or configure.
1 / 2
Featured on
