Automatically generate alt text for images using the Filestack API to improve accessibility and SEO.

suresh

hueyl77

Filestack WP Upload

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Ankur Patel (Filestack)

<p>Filestack Alt Text Generator creates descriptive alt text for your WordPress images using the Filestack Caption API. Improve your site’s accessibility and SEO with AI-generated image descriptions, individually or in bulk.</p>
<h4>Features</h4>
<ul>
<li><strong>Bulk Processing</strong>: Generate alt text for all images at once with a single click</li>
<li><strong>Smart Detection</strong>: Processes only images missing alt text. Your manual entries stay intact.</li>
<li><strong>Real-time Progress</strong>: Live progress bar shows exactly how many images have been processed</li>
<li><strong>Media Library Integration</strong>:
<ul>
<li>Alt text status column showing which images need attention</li>
<li>Bulk action to generate alt text for selected images</li>
<li>Generate button on individual image edit screens</li>
</ul>
</li>
<li><strong>Pause & Resume</strong>: Ability to pause processing and resume later</li>
<li><strong>Error Handling</strong>: Logs errors automatically and continues processing. Get a full summary of processed, skipped, and error counts when complete.</li>
<li><strong>Secure API Storage</strong>: Safely stores your Filestack credentials using WordPress options API, with masked API key field</li>
<li><strong>Test Connection</strong>: Verify your API credentials before processing</li>
<li><strong>WordPress.com CDN Proxy</strong>: Optional setting to proxy image URLs through the WordPress.com CDN (i0.wp.com) for sites where images are not directly accessible by the Filestack API</li>
</ul>
<h4>How It Works</h4>
<ol>
<li>Install and activate the plugin</li>
<li>Configure your Filestack API credentials in Settings > Filestack Alt Text</li>
<li>Test your API connection to ensure everything works</li>
<li>Navigate to Media > Generate Alt Text to process images in bulk</li>
<li>Or use the bulk actions in the Media Library to process specific images</li>
</ol>
<h4>Requirements</h4>
<ul>
<li>WordPress 5.8 or higher</li>
<li>PHP 7.4 or higher</li>
<li>Filestack API account with API Key, Policy, and Signature</li>
</ul>
<h3>External services</h3>
<p>This plugin relies on the <a href="https://www.filestack.com/" rel="nofollow ugc">Filestack</a> Caption API to generate alt text for images.</p>
<h4>What data is sent and when</h4>
<ul>
<li>When you generate alt text (individually, in bulk, or via the “Test Connection” button), the plugin sends the public URL of each image to the Filestack Caption API.</li>
<li>The API endpoint used is <code>https://cdn.filestackcontent.com</code>. Your configured API Key, Policy, and Signature are included in the request URL for authentication.</li>
<li>No other user data or site data is transmitted.</li>
</ul>
<h4>Service links</h4>
<ul>
<li>Filestack website: https://www.filestack.com/</li>
<li>Terms of service: https://www.filestack.com/terms/</li>
<li>Privacy policy: https://www.filestack.com/privacy/</li>
</ul>
<h3>Support</h3>
<p>For support, please visit the plugin’s support forum on WordPress.org or contact your plugin developer.</p>


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