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Image alt text and accessibility checker

Find images with missing or weak alt text, and common accessibility problems: page language, headings, form labels, empty links and buttons, frame titles and blocked zoom. Get simple fixes for each.

This tool needs JavaScript. Please turn it on, or open the page in a current browser.

How to use this tool

  1. Paste the page source Open your page, press Ctrl+U, copy everything and paste it. Or enter a link.
  2. Read the score The score drops for each problem. Red items matter most.
  3. Check each problem Each problem shows examples from your page and how to fix it.
  4. Fix the images The image table lists every image that needs better alt text.
  5. Check again Paste the updated source to confirm the fixes.

Alt text

  • Describe what the image shows, in one sentence.
  • Product images: colour, material, type.
  • Decoration only: alt="".

Structure

  • One H1 per page, then H2 and H3 in order.
  • Set the page language (en, ta or hi).
  • Every form field needs a label.

Links and buttons

  • Icon links need aria-label.
  • Avoid “click here”; say where the link goes.
  • Never block zoom on phones.

Questions about this tool

Does alt text help SEO?

Yes. Google uses alt text to understand images, and it helps image search.

Is this a full accessibility audit?

No. It catches common problems. Also test with a screen reader and the keyboard.

Should every image have alt text?

Every image needs an alt attribute. Images with meaning need words; decoration uses alt="".

Why does the link check show an example?

Fetching other websites needs our server, which goes live after launch. Pasting the source works now.

Is my page uploaded?

No. Pasted source is checked in your browser.