Image Alt Text Checker: Find and Fix Missing Alt Text
Paste your page URL and get a full report of images missing alt text, plus clear recommendations to fix them. The scan runs in seconds.
Free with a Brainito account. No credit card required.
Catch Missing Alt Text
Scan any page and see exactly which images lack alt text, so nothing slips past Google or screen readers.
Boost Image SEO Rankings
Descriptive alt text helps your images rank in Google Images and adds context that strengthens on-page SEO.
Make Every Image Accessible
Alt text lets screen readers describe your images, keeping your site usable for everyone and closer to WCAG standards.
Frequently Asked Questions
What does the Image Alt Text Checker do?
Enter a page URL and the tool scans every image on that page, flags images with missing or empty alt attributes, and gives you clear recommendations on how to write alt text that helps both SEO and accessibility.
Is the Image Alt Text Checker free to use?
Yes. Create a free Brainito account and you can run the checker at no cost. Your account also unlocks the rest of Brainito's SEO tools, so you can audit titles, meta descriptions, and more from one place.
Why is alt text important for SEO in 2026?
Search engines cannot see images, so they rely on alt text to understand what each one shows. Good alt text helps your pages rank in Google Images, adds keyword context, and keeps your site accessible to visitors using screen readers.
See which images are missing alt text in seconds, free to run
One account unlocks image alt text checker plus 340+ marketing tools, weekly audits, and your action plan.