Image alt-text coverage audit
Find missing or suspicious alt attributes in uploaded HTML.
Your inputs
Your results
Ready when you areYour results will appear here.
How it works
Parse uploaded HTML locally and distinguish missing alt attributes, intentional-looking empty alternatives, generic text and conflicting decorative signals.
Read the source reference ↗A few things to know
Does not inspect actual image content, CSS background images, SVG accessibility, rendered changes or linked-image purpose. A human must judge whether an alternative conveys the right meaning in context.
When to use this tool
Find images that need a closer accessibility review. Missing alt and empty alt are different cases; decorative images often correctly use an empty alternative.
- Review image alternatives.
- Find missing attributes.
- Distinguish decorative images.
How to use image alt-text coverage audit
Prepare the inputs
Paste or upload the requested source or crawl-export columns.
Choose the settings
Run the local check; no remote website requests are made.
Review and export
Review flagged rows and confirm them against the actual site.
Try the supplied example
Inputs
html: <img src="product.jpg" alt="Blue ceramic mug"> <img src="divider.svg" alt=""> <img src="photo.jpg">
Result
The example shows one present alternative, one empty alternative needing intent confirmation and one missing attribute.
What it means
Read each image in its page context before editing the alternative.
Common mistakes to avoid
Empty alt can be intentional
Empty alt can be intentional.
Attribute presence is not alternative quality
Attribute presence is not alternative quality.
Frequently asked questions
Definitions, edge cases, and practical next steps for this tool. Search all tool FAQs ↗
Is empty alt always wrong?
No. It is often correct for decorative images.
Does present alt prove accessibility?
No. Its meaning and context require human review.
Are images loaded?
No. Only supplied HTML attributes are inspected.
Are CSS background images included?
No. This check covers img elements in supplied HTML.
What about linked images?
Their alternative should usually express the link’s purpose; review manually.
Can generic text be flagged?
Yes. Simple generic words and filename-like alternatives are flagged for review, not automatic failure.
Are my inputs uploaded or stored?
Processing happens locally in your browser. This tool does not upload inputs. Downloads stay on your device; sharing or opening them in another service is your choice.
What should I check before using the output?
Does not inspect actual image content, CSS background images, SVG accessibility, rendered changes or linked-image purpose. A human must judge whether an alternative conveys the right meaning in context.
Explore the topic in the blog
Sources and method
Use the references below to check definitions and platform guidance. The model’s scope and limits are explained above. Read our editorial standards.