Image Alt Text Checker
Find missing image descriptions in HTML.
Use the tool
Ready when you are
Paste page HTML to review image alternatives.
The result separates missing alt attributes from intentionally empty alt text so decorative images are not treated as automatic errors.
- Alt attribute coverage
- Image-by-image findings
- Accessibility next steps
How to use it
Describe meaningful images accurately.
Audit pasted HTML to spot missing or empty alt attributes that weaken accessibility and image SEO.
- 01
Copy the relevant page HTML and paste it into the tool.
- 02
Review images with missing and empty alt attributes.
- 03
Write concise descriptions for images that communicate information.
- 04
Keep empty alt text on images that are purely decorative.
What the result means
Not every image needs descriptive alt text.
Meaningful images should explain what a person would miss without seeing them. Decorative images should usually use an empty alt attribute so assistive technology can skip them.
Use this to find image descriptions that may affect accessibility and image search.
Use it to
- Counts every image
- Finds missing alt attributes
- Separates empty alt text
Scope of this check
Know what the result can tell you.
What it checks
- Total image count
- Missing alt attributes
- Empty and descriptive alt text
What it cannot prove
Presence does not prove that the alternative text is useful.
- The tool analyzes the HTML you provide and may not include lazy-loaded or scripted images.
- It can flag missing or empty attributes but cannot fully judge descriptive quality.
- Decorative images should usually use an empty alt attribute rather than descriptive text.
Questions before you act
Image Alt Text Checker FAQ
01What does Image Alt Text Checker help with?
Analyze pasted HTML to count images with missing or empty alt text and highlight accessibility gaps.