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AI Image Alt Text Generator
What it is
AI Image Alt Text Generator is a free, open-source WordPress plugin for creating descriptive image alternative text. It can generate text during upload or on demand, process multiple images in the media library and gallery block, and provide manual controls in the image block and media library. Automatic generation during upload is configurable. The plugin works with OpenAI, Google Gemini, Anthropic Claude, and other providers configured through the WordPress AI Client. At least one provider must be configured under Settings → Connectors, with plugin options under Settings → Media. Images are sent to the selected provider’s API, so that provider’s terms and privacy policy apply. Polylang support detects the image language or the language of its parent post. The plugin exposes the acpl/generate-alt-text ability through the WordPress Abilities API. Installation involves uploading the plugin to WordPress, activating it, and configuring a provider. The listing requires WordPress 7.0 or higher and PHP 8.1 or higher. It is licensed under GPLv3 or later; providers may charge per API request.
For and against
For
- Free GPLv3-or-later plugin
- Bulk generation for media libraries
- Configurable automatic upload generation
- Supports several AI providers
- Polylang language detection
Against
- Requires a configured AI provider
- Provider API requests may cost money
- Images leave WordPress for provider processing
- Requires WordPress 7.0 and PHP 8.1
The verdict
AI Image Alt Text Generator adds configurable, bulk, and API-based alt text generation to WordPress. Provider setup, external image processing, and provider fees should be considered first.
Who it suits
It suits WordPress site owners who want generated alt text during uploads, on demand, or in bulk. Developers can also use its WordPress Abilities API.
Plans and prices
Free plugin
Plugin download is free · AI providers may charge per API request · Requires a configured AI provider
Read 1 Oct 2026 · wordpress.org
On the record
- AI providers
- Supports OpenAI, Google Gemini, Anthropic Claude and other configured providers through the WordPress AI Client.wordpress.org · read 1 Oct 2026
- Alt text generation
- Generates descriptive, contextually relevant image alt text during upload or on demand.wordpress.org · read 1 Oct 2026
- Automatic mode
- Automatic alt text generation during upload can be configured.wordpress.org · read 1 Oct 2026
- Bulk generation
- Generates alt text for multiple images at once in the media library and gallery block.wordpress.org · read 1 Oct 2026
- Developer API
- Exposes the acpl/generate-alt-text ability through the WordPress Abilities API.github.com · read 1 Oct 2026
- External data transfer
- Images are sent to the API of the configured AI provider, whose terms and privacy policy should be reviewed.wordpress.org · read 1 Oct 2026
- Installation
- Installs by uploading the plugin to /wp-content/plugins/, activating it in WordPress and configuring a provider.wordpress.org · read 1 Oct 2026
- License
- The plugin is open-source software licensed under GPLv3 or later.github.com · read 1 Oct 2026
- Manual generation
- Provides a manual generation button in the image block and media library.wordpress.org · read 1 Oct 2026
- Polylang integration
- Built-in Polylang support detects the image or parent post language.github.com · read 1 Oct 2026
- Support
- Support is provided through the WordPress.org support forum and community development.wordpress.org · read 1 Oct 2026
- System requirements
- The directory listing requires WordPress 7.0 or higher and PHP 8.1 or higher.wordpress.org · read 1 Oct 2026
- WordPress configuration
- At least one AI provider must be configured under Settings → Connectors, with plugin settings under Settings → Media.github.com · read 1 Oct 2026
