Alt Text Length Checker
Check image alt text length and words.
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Check image alt text length
Alt text should describe an image when the image carries meaning for the page. Paste alt text to check characters, words and a practical accessibility hint. It is useful for article images, product photos, diagrams, screenshots and content QA workflows.
Helpful image descriptions
Good alt text explains the image purpose or content without stuffing unrelated keywords.
Frequently asked questions
How long should alt text be?
A concise description under about 125 characters is often a useful starting point.
Do decorative images need alt text?
Decorative images can use empty alt text in the actual HTML.
Should alt text include keywords?
Only when they naturally describe the image.