AI Alt Text Generator for WordPress

Generate SEO-optimized alt text
for every image. Automatically.

Write perfect alt text in seconds, not hours. Bulk-process 10,000+ images with AI trained on what actually ranks in Google Images. No more IMG_4921.jpg.

⭐⭐⭐⭐⭐ 4.8/510,000+ WordPress sites17.5M+ images processed

How the generator works

Install our WordPress plugin, connect your media library, and generate SEO-optimized alt text for every image in minutes. No coding, no per-image copywriting.

1
Install the pluginFree download from the WordPress directory. Activate in 30 seconds, connect your account.

2
Select images (or all of them)Bulk select your entire media library, or filter to only images missing alt text. We find IMG_*.jpg orphans automatically.

3
Click "Generate"The AI reads each image, writes alt text optimized for the target keyword on the post, and saves it to the WordPress media library. 2-3 seconds per image.

4
Review and exportScan the results, approve in bulk, or tweak individually. Changes apply immediately to your site’s HTML.

What makes our alt text rank

After processing 17.5 million images, we know what Google’s vision model rewards. Our generator is tuned for search ranking, not just accessibility compliance (though we hit both).

Example: product image of a running shoe

❌ Typical free generator

a shoe

Too vague, no keyword, generic. Ranks for nothing.

✅ ImageSEO generator

Men’s blue Nike Pegasus 40 running shoe, side view on white background

Specific, brand+model, keyword-aligned. Ranks for 12+ long-tail queries.

Why not just use ChatGPT?

You could paste each image into ChatGPT. It would work — for 5 images. The three reasons teams choose our generator over a general AI chatbot:

🎯

Trained on SEO rankings

ChatGPT writes descriptive text. Ours writes text tuned for what ranks. 34% more Google Images impressions in our A/B tests.

Built for bulk

Process 10,000 images in an afternoon. ChatGPT requires 10,000 manual uploads. We integrate directly with your WordPress media library.

🔌

Auto-saves to WordPress

Generated alt text is written directly to the WordPress database and rendered on your site HTML. No copy-paste, no export/import.

Results from real customers

Actual lift we measured on customer sites that switched from manual alt text to our generator.

+287%
Google Images impressions (outdoor apparel, 12k SKUs)
8 weeks
Time to see ranking lift
3-6×
More AI citations in ChatGPT/Perplexity
2-3s
Generation time per image

Frequently asked questions

Is AI-generated alt text penalized by Google?

No. Google does not penalize AI-generated content as long as it is accurate and useful. In December 2023 Google updated its guidelines specifically to clarify that AI-assisted content is fine. What matters is whether the alt text describes the image accurately and helps users — which our generator does measurably better than a human rushing through 2,000 product images.

How is this different from Yoast or Rank Math’s alt text features?

Yoast and Rank Math check whether alt text exists and analyze it. They don’t generate it. Our tool is complementary: install ImageSEO alongside your existing SEO plugin. ImageSEO creates the alt text; Yoast/Rank Math grades it. Most of our customers run both.

Does the generator work with WooCommerce?

Yes — WooCommerce product images are the most common use case. The generator reads product titles and categories to write keyword-aligned alt text that matches each product page’s commercial intent. Particularly effective for stores with 500+ SKUs where manual alt text is impractical.

Can I edit the generated alt text before it’s published?

Yes. Every image goes through a review step by default. You can approve in bulk, tweak individual entries, or regenerate with different settings. Once approved, the alt text writes to the WordPress media library and renders on your live site immediately.

What languages are supported?

The generator writes in 30+ languages including English, French, German, Spanish, Italian, Portuguese, Polish, Japanese, and Chinese. It auto-detects the language of your page content and generates alt text in that language. Essential for multilingual WooCommerce stores using Polylang or WPML.

How much does it cost?

50 images free (no credit card). Paid plans start at €4.99/mo for 1,000 images or €24.99/mo for 10,000 images. Annual billing saves 20%. Enterprise plans available for 100k+ images. See full pricing.

Does this help accessibility compliance (WCAG, ADA)?

Yes — our generator writes alt text that passes WCAG 2.1 AA requirements. It describes images accurately and specifically, which is what screen readers need. Accessibility and SEO goals converge 95% of the time; our tool optimizes for both simultaneously.

What happens to alt text if I uninstall the plugin?

The alt text stays. It’s written directly to the WordPress media library, not stored in our plugin. If you uninstall, your images keep the alt text we generated. No lock-in.

Stop losing traffic to empty alt tags

50 free images on signup. No credit card. WordPress plugin installs in 30 seconds.


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