Review image alt attributes without uploading images. Paste your HTML to list image sources, existing alt text, and images with missing or empty attributes. The result helps you identify where a manual accessibility and content review is needed.
How to Use Image Alt Text Checker
- Paste HTML containing the image elements to review.
- Run the check and identify missing alt attributes.
- Review empty values to decide whether the images are decorative.
- Write context-appropriate descriptions and verify the updated page manually.
Find missing image descriptions
A missing alt attribute and an intentionally empty alt attribute are different cases. This checker separates them instead of treating every empty value as an error. It inspects image elements in the supplied HTML and does not open the image files or generate descriptions from their contents.
Choose wording for the image purpose
An informative photograph may need a concise description of the relevant subject. For example, Basil seedlings in a raised garden bed communicates more than image. An image used only as decoration can appropriately have an empty alt attribute. An image link or button needs wording that explains its function in context.
Avoid filling alt attributes with keywords
Review what a visitor needs to understand rather than repeating a keyword list. Also check the surrounding caption and content so the description is useful without unnecessary duplication. Images inserted dynamically will only appear in this result if their elements are present in the pasted HTML.
Use the Heading Structure Checker for the document outline and the On-Page SEO Checker for a bounded check of images on a public page.
Key Features
- Browser-based processing
- Example inputs
- Copy and download results
- No paid API or signup
Common Use Cases
- Website publishing
- Content review
- SEO maintenance
Privacy
Your supplied content is processed in your browser and is not uploaded by this tool.
Limitations
Empty alt text can be appropriate for decorative images. Review each image’s purpose.