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AI-written alt text for accessibility and SEO

Drop images and get suggested alt text — descriptive, concise, and optimized for both accessibility and Google Image search. Edit before you accept.

Alt text is required for accessibility (screen readers) and helpful for SEO (Google Image search). Writing it for hundreds of legacy images is a time sink. The Rankato Alt Text Generator uses a vision model to draft alt text for each image — 8–15 words, describing what's in the image with SEO-friendly keywords. Every suggestion is editable; export the final set as CSV to bulk-update your CMS.

What good alt text looks like

Length: 8–15 words. Format: what's shown, key visual attributes, context if relevant. Bad: 'image'. Good: 'A red 2024 Tesla Model S parked on a mountain road at sunset.' The generator aims for this pattern; every output is editable so you can add context the model missed.

SEO considerations

For product pages, include the product name — 'Nike Air Force 1 white sneaker on gray background' beats 'white sneaker'. For blog images, mention the post's topic if it's not clear from the image. Alt text isn't a keyword stuffing opportunity — Google is smart enough to penalize that.

Batch and CSV export

Drop up to 50 images. The tool generates alt text for each, shows them in an editable table, and lets you export CSV (filename, alt_text) for bulk-import into WordPress, Shopify, or any CMS with a batch alt-text update path.

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Tool FAQs

Everything you need to know about using Image Alt Text Generator.

Does this replace human-written alt text?+

For accessibility auditors, no — AI-generated alt text is a starting point, not a final answer. But for a legacy site with 500 missing alt texts, AI drafts are far better than nothing.

What model does the tool use?+

A hosted vision model (Claude Vision or similar). This is one of the few Rankato image tools that runs on our servers rather than fully in-browser — vision models are too large to ship to a browser.

Are my images uploaded?+

Yes — they're sent to the model provider for inference, then discarded. If that's a privacy concern, this specific tool is not the right choice; every other image tool in the suite is 100% client-side.