About this plugin
AutoAltify is a powerful WordPress plugin that automatically generates descriptive ALT text for images in your media library. Improve accessibility and SEO while saving time on manual ALT text entry.
Features
- Automatic ALT Text Generation – Generate ALT text from image titles, filenames, or combined with site name
- Three Generation Modes – Title Only, Title + Site Name, or Clean Filename
- Bulk Operations – Generate ALT text for your entire media library with one click
- AJAX Batching – Process images in batches to prevent timeouts
- Media Library Integration – View ALT status directly in media library
- Logging – Optional detailed logging for troubleshooting
- Bulk Actions – Process selected images from media library
- Developer Hooks – Extensive filters and actions for custom integration
- Multi-language Ready – Fully translatable
Generation Modes
Title Only – Uses the clean image title as ALT text
Title + Site Name – Combines the image title with your blog name
)
Three Ways to Use
- Enable Auto-generate – Automatically generate ALT text when images are uploaded
- Bulk Run Tool – Generate ALT text for entire media library from settings page
- Media Library Bulk Action – Select specific images and generate ALT text
Security & Performance
- Secure nonce verification on all AJAX actions
- Proper capability checks for all admin functions
- Efficient batching prevents server timeouts
- Configurable batch sizes (5-200 images per batch)
- Works with large media libraries (1000+ images)
Developer-Friendly
- Modular class-based architecture
- Multiple action and filter hooks for customization
- Clean namespace implementation (AutoAltify)
- Well-documented code with PHPDoc comments
- Easy to extend and integrate with other plugins
Translations
AutoAltify is fully translatable. Text domain: autoaltify
Configuration
Navigate to Settings → AutoAltify to configure:
- Auto-generate on Upload – Enable automatic generation when images are uploaded
- Generation Mode – Choose how ALT text is built (Title Only, Title + Site Name, Clean Filename)
- Allowed Image Types – Select which formats to process (JPG, PNG, GIF, WebP, AVIF, SVG)
- Enable Logging – Turn on logging to wp-content/uploads/autoaltify-logs/
- Batch Size – Set images per batch (5-200, default 30)
Usage
Auto-generate on Upload
Enable the “Auto-generate on upload” setting to automatically generate ALT text for newly uploaded images.
Bulk Run All Media
- Go to Settings → AutoAltify
- Click “Run ALT Generator on all media (missing only)”
- Watch the progress bar
- Only processes images without existing ALT text
Media Library Bulk Action
- Go to Media Library
- Select one or more images
- Choose “Generate ALT with AutoAltify” from Bulk Actions
- Click Apply
Media Library Column
View ALT status directly in the media library with the new “ALT Status” column showing:
* “Present” (green) – Image has ALT text
* “Missing” (red) – Image needs ALT text
API Reference
Filters
autoaltify_generated_alt
Modify the generated ALT text before it’s saved.
add_filter( 'autoaltify_generated_alt', function( $alt, $attachment_id ) { return 'Image: '. $alt; }, 10, 2 );
autoaltify_clean_title
Modify the cleaned title before final ALT text.
autoaltify_clean_filename
Modify the cleaned filename before final ALT text.
Classes
- AutoAltify\Core\Generator – ALT text generation logic
- AutoAltify\Core\Logger – Logging functionality
- AutoAltify\Core\Options – Settings management
- AutoAltify\Admin\Admin – Admin interface
- AutoAltify\Public_Hooks\Public_Hooks – Frontend hooks
md for detailed API documentation.
Requirements
- WordPress 5.0 or higher
- PHP 7.2 or higher
- Multibyte string support (mb_* functions)
Compatibility
Works with:
4+
3+
* All standard WordPress themes
* WooCommerce (for product images)
* Most image optimization plugins
Performance
- Configurable batch sizes (5-200 images)
- AJAX processing prevents timeouts
- Efficient database queries with meta queries
- Optional logging for better performance control
- Suitable for media libraries with 1000+ images
Support
For questions, issues, or feature requests, please contact the plugin author or refer to documentation.
License
This plugin is licensed under GPLv2 or later.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2 or later, as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
, 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Credits
Built with WordPress best practices and security in mind.
Made with ❤️ for WordPress developers and site owners.