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Image Alt Text Checker

Find images on a page that are missing alt text.

Not sure what to enter? Try an example: wordpress.org
Free & instant No signup How to use FAQ

Enter a URL to check every image for an alt attribute and see which ones need a description.

What is image alt text?

Alt text is the alt attribute on an <img> tag - a short description that screen readers read aloud and that shows if the image fails to load. It is also how search engines understand images. This checker lists images on the page that have no alt text.

How to find images missing alt text

  1. Enter the page URL or domain in the box above.
  2. Click Check Image Alt Text.
  3. Review the images reported without alt text.
  4. Describe meaningful images briefly; give purely decorative images an empty alt="".

Related checks

Describe what each image shows in a few words, and leave alt empty only for purely decorative images. Good alt text helps screen-reader users and image search - JustChecker keeps an eye on the rest of your page.

Frequently Asked Questions

A short, specific description of what the image shows and why it's there - "red cotton kurta, front view", not "image1" or a list of keywords.

Give them an empty alt="" so screen readers skip them. That's different from having no alt attribute at all, which this check flags.

It helps Google understand images and is the main way to appear in Google Images. It is also an accessibility requirement in many countries.
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