WordPress plugin intelligence profile

Filestack AI Image Alt Text Generator for WP

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

WP PlugIndex snapshot

Current directory snapshot

Tested up to WordPress 6.9
Current version1.0.3
WordPress coverageTested up to WordPress 6.9
Minimum stackWP 5.8 · PHP 7.4
Directory statusactive
Last directory update12 May 20265mo ago
Active installationsNewAdoption metric — not a quality score
WordPress.org ratingNo WordPress.org ratings yet
Official packageDirect from WordPress.org

Repository metrics are context, not quality scores. Active installations measure adoption and can strongly reflect a plugin’s age and historical popularity. Ratings, recent updates and “Tested up to” metadata also do not guarantee modern code, error-free operation, security, feature completeness or suitability for a particular site. Why active installs don’t tell the whole story →

WP PlugIndex currently records Filestack AI Image Alt Text Generator for WP version 1.0.3 as active, updated 5mo ago and tested up to WordPress 6.9.

Overview

About this plugin

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.

Learn more: Generate Alt Text for Every Image in One Click.

Features

  • Bulk Processing: Generate alt text for all images at once with a single click
  • Smart Detection: Processes only images missing alt text. Your manual entries stay intact.
  • Real-time Progress: Live progress bar shows exactly how many images have been processed
  • Media Library Integration:
  • Alt text status column showing which images need attention
  • Bulk action to generate alt text for selected images
  • Generate button on individual image edit screens
  • Pause & Resume: Ability to pause processing and resume later
  • Error Handling: Logs errors automatically and continues processing. Get a full summary of processed, skipped, and error counts when complete.
  • Secure API Storage: Safely stores your Filestack credentials using WordPress options API, with masked API key field
  • Test Connection: Verify your API credentials before processing
  • WordPress.com CDN Proxy: 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

How It Works

  • Install and activate the plugin
  • Configure your Filestack API credentials in Settings > Filestack Alt Text
  • Test your API connection to ensure everything works
  • Navigate to Media > Generate Alt Text to process images in bulk
  • Or use the bulk actions in the Media Library to process specific images

Requirements

  • WordPress 5.8 or higher
  • PHP 7.4 or higher
  • Filestack API account with API Key, Policy, and Signature

External services

This plugin relies on the Filestack Caption API to generate alt text for images.

What data is sent and when

  • 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.
  • The API endpoint used is https://cdn.filestackcontent.com. Your configured API Key, Policy, and Signature are included in the request URL for authentication.
  • No other user data or site data is transmitted.

Service links

  • Filestack website: https://www.filestack.com/
  • Terms of service: https://www.filestack.com/terms/
  • Privacy policy: https://www.filestack.com/privacy/

Support

org or contact your plugin developer.

WordPress.org metadata

Plugin tags

Topics listed for this plugin in the WordPress.org directory.

  • alt tag
  • alt text
  • image optimization
  • accessibility
  • seo
Compatibility & maintenance

Compatibility & maintenance

Tested up to WordPress 6.9

Not yet marked as tested with WordPress 7.1. WordPress.org currently lists Tested up to 6.9.

Current WordPress releaseWordPress 7.1
WordPress.org Tested up to6.9
Minimum requirementsWordPress 5.8 · PHP 7.4
Update activity12 May 20265mo ago

“Tested up to” is directory metadata supplied by the plugin author. WP PlugIndex does not turn an older declaration into a claim that the plugin is incompatible.

Changes recorded by WP PlugIndex

Recent tracked changes

No tracked version or compatibility changes have been recorded by WP PlugIndex yet.

Tracking & source

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