Free alt text checker

Paste your page's HTML (in your browser, right-click the page, choose View Source, then copy everything). We list every image and flag missing or weak alt text. Runs in your browser; nothing is sent to us.

Page HTMLCheck images

Good alt text in one minute

• Describe what the image tells the reader, in a short sentence.
• Decorative images should have empty alt (alt="").
• Don't start with "image of" or use the file name.
• Linked images need alt that says where the link goes.