Accessibility Checker
Free • No signup • Runs in your browser
Audit HTML markup for common WCAG accessibility issues like missing alt text, labels, and heading order.
100% Private
Files are processed locally in your browser and never uploaded to a server.
Instant Results
No queues, no waiting — get your output the moment you click.
No Signup
Free to use with no account, no email, and no watermarks.
Works Everywhere
Runs on any modern device — desktop, tablet, or mobile.
What is Accessibility Checker?
Accessibility Checker is a free, browser-based utilities tool that audit html markup for common wcag accessibility issues like missing alt text, labels, and heading order. Everything runs in your browser, so your files are processed on your device, not on our servers.
How it works
Upload your file or data by dragging and dropping or browsing your files.
Adjust the available settings to your preference and preview changes in real time.
Click the process button to run the tool.
Download or copy your result instantly — no waiting, no email required.
Perfect for
- Audit HTML markup for common WCAG accessibility issues like missing alt text, labels, and heading order
- Quick everyday calculations and unit conversions
- Processing, formatting, and cleaning text data
- Generating random values and test data
Why use it
- 100% browser-based — your files are processed on your device
- Free, with no signup or account required
- Instant results with no processing queues
- Works on any device — desktop, tablet, or mobile
- No watermarks on your output
Frequently asked questions
Is Accessibility Checker free?
Yes, Accessibility Checker is free to use, with no hidden fees.
Is Accessibility Checker safe to use?
Yes. Accessibility Checker runs in your browser, so your files are processed on your device, not on our servers.
Do I need to install anything to use Accessibility Checker?
No. Accessibility Checker is a web-based tool that works in any modern browser — Chrome, Firefox, Safari, or Edge. Just open the page and start using it.
How does Accessibility Checker work?
Accessibility Checker is a utilities tool that audit html markup for common wcag accessibility issues like missing alt text, labels, and heading order. Add your file, adjust the available settings, and get your result right away, all processed in your browser.
Does Accessibility Checker work on mobile?
Yes. Accessibility Checker is fully responsive and works on desktops, tablets, and mobile phones. The interface adapts to your screen size automatically.
Are there any limits when using Accessibility Checker?
Accessibility Checker has no daily usage caps and adds no watermarks. Because it runs on your device, very large files depend on your device's memory.
Ready to use Accessibility Checker?
Free, instant, and runs entirely in your browser. No download, no signup, no limits.
Takes less than 10 seconds