PerfectSemicolon

AltGenAI connects your site to the AltGenAI cloud service to generate descriptive alt text for images. Good alt text improves accessibility and can help SEO.
This plugin requires an active internet connection and a valid API key. Generation happens on external servers; see the FAQ for what is transmitted.
<h4>Features</h4>
<ul>
<li>Generate from the Image block sidebar and Gallery images in the block editor</li>
<li>Generate from the Classic Editor media modal</li>
<li>Button on the attachment edit screen and in the Media Library list view</li>
<li>Optional auto-generation when new images are uploaded</li>
<li>Styles: descriptive, SEO-focused, accessibility-focused, or concise</li>
<li>Many output languages</li>
<li>Optional focus keyphrase hints from popular SEO plugins (Yoast, Rank Math, AIOSEO, SEOPress, Squirrly, SmartCrawl)</li>
<li>Bulk scan and process missing alt text</li>
</ul>
<h3>External services</h3>
This plugin relies on the AltGenAI cloud service to process images and generate alt text.
<ul>
<li>What the service is: A cloud-based AI engine that analyzes image content to provide descriptive metadata (alt text, titles, captions).</li>
<li>What data is sent: When you generate alt text, the plugin sends the image URL (or the image data itself if the site is private), your API key, and your preferred style/language settings to <code>api.altgenai.com</code>.</li>
<li>Terms and Privacy: Use of this service is governed by the <a href="https://altgenai.com/terms" rel="nofollow ugc">AltGenAI Terms of Service</a> and <a href="https://altgenai.com/privacy" rel="nofollow ugc">Privacy Policy</a>.</li>
</ul>

AltGenAI

AI-powered alt text for WordPress images. Works with the block editor, Classic Editor, the Media Library, and bulk tools.

Murj

Webby Simple Alt Builder helps you generate cleaner and more consistent image alt text using simple, predictable rules based on your WordPress content.
Instead of relying on AI or external services, the plugin builds alt text using data you already have, such as the image filename, post title, category, and optional keywords.
It is designed for practical workflows where you need control, consistency, and safety when handling large media libraries.
Features:
<ul>
<li>Automatic generation on upload</li>
<li>Frontend fallback when saved alt text is empty</li>
<li>Batch processing in configurable groups</li>
<li>Manual generator for ALT and title suggestions</li>
<li>Context modes: automatic, product, service, and generic</li>
<li>Decorative image detection</li>
<li>Max words and max characters controls</li>
<li>Ignored words list</li>
<li>Optional use of post title, category, and custom keyword</li>
<li>Dashboard cards with image totals</li>
<li>Existing alt text is never overwritten</li>
</ul>
No AI, no external services, no remote calls, and no hidden tracking.

Webby Simple Alt Builder

Generate image alt text in WordPress using filename and post context. No AI, no external APIs, and existing alt text is preserved.

AltGenAI vs Webby Simple Alt Builder