Auto Alt Text Generator - SEO Image Accessibility Plugin

Automatically generate SEO-optimized alt text for images in WordPress to improve Image SEO, Accessibility (screen readers), Google ranking, and Content quality score.

Description

Auto Alt Text Generator is a powerful WordPress plugin that automatically creates descriptive, SEO-friendly alt text for your images. With features like bulk generation, SEO scoring, and WooCommerce support, this plugin helps bloggers, SEO agencies, affiliate marketers, and e-commerce sites optimize their images for search engines and accessibility compliance.

Key Benefits

• Improved SEO: Alt text helps search engines understand your images, boosting your chances of appearing in image search results
• Accessibility Compliance: Make your website accessible to visually impaired users who rely on screen readers
• Time Saving: Automatically generate alt text for new uploads and bulk fix existing images
• Content Quality: Maintain consistent, high-quality image metadata across your entire website

Features

Core Features (MVP)

1. Automatic Alt Text Generation

   • Automatically generate alt text when images are uploaded
   • Multiple generation methods: Filename-based, Title-based
   • Configurable character limits (80-120 characters)
   • Enable/disable auto generation option

2. Bulk Alt Text Generator

   • Scan existing media library for images missing alt text
   • Preview generated alt text before applying
   • Apply to selected images or all at once
   • Progress bar with batch processing (50 images at a time)
   • AJAX-powered updates for smooth performance

3. SEO Image Score Indicator

   • Real-time SEO scoring when editing posts/pages
   • Visual indicators: Green (90-100%), Yellow (60-89%), Red (<60%)
   • List all images missing alt text in the post
   • Shows total images vs images with alt text

4. Smart Filename Cleaner

   • Convert messy filenames to readable alt text
   • Remove numbers from filenames
   • Replace dashes with spaces
   • Auto-capitalize words properly
   • Examples:
     • IMG_839483.jpg → IMG 839483
     • blue-leather-jacket-men.jpg → Blue leather jacket for men

5. WooCommerce Support

   • Auto-generate alt text for product images
   • Use product name as base for alt text
   • Include product attributes in alt text
   • Gallery image support

6. Missing ALT Warning

   • Warning when publishing posts with missing alt text
   • Quick action buttons: Generate Now, Ignore, Edit Manually

Plugin Dashboard

Admin Menu Location: WordPress Admin → SEO Tools → Auto Alt Text Generator

Dashboard Sections:

• Overview

  • Total Images count
  • Images with ALT text
  • Images without ALT text
  • Overall SEO Score percentage

• Bulk Fix

  • Scan Images button
  • Generate ALT button
  • Apply Changes button
  • Preview table with columns: Image | Filename | Generated ALT | Status

• Settings

  • Auto generate on upload (toggle)
  • Generation Method (Filename Based / Title Based)
  • Max ALT Length (default: 120 characters)
  • Remove numbers from filename (toggle)
  • WooCommerce support (toggle)

Installation

Minimum Requirements

• WordPress 5.8 or higher
• PHP 7.4 or higher
• MySQL 5.6 or higher

Installation Steps

1. Download the plugin zip file
2. Go to Plugins → Add New → Upload Plugin
3. Click Choose File and select the downloaded zip
4. Click Install Now
5. Activate the plugin through the Plugins menu in WordPress
6. Go to SEO Tools → Auto Alt Text Generator to configure settings

Quick Start

1. Navigate to SEO Tools → Auto Alt Text Generator → Settings
2. Enable "Auto generate on upload"
3. Choose your preferred generation method
4. Set maximum character limit (recommended: 120)
5. Click Save Settings
6. Upload new images - alt text will be generated automatically!

Frequently Asked Questions

How does the alt text generation work?

The plugin uses two methods:

• Filename-based: Converts the image filename into readable text (e.g., red-running-shoes.jpg → "Red running shoes")
• Title-based: Uses the WordPress image title if present

Will this work with existing images?

Yes! Use the Bulk Fix feature to scan and generate alt text for all existing images in your media library.

Does this support WooCommerce?

Yes! Enable WooCommerce support in settings to automatically generate alt text for product images using the product name.

Is this plugin accessible?

Yes, the plugin helps make your site more accessible by ensuring all images have proper alt text for screen readers.

Will this slow down my website?

No. The plugin uses:

• AJAX for bulk operations
• Batch processing (50 images at a time)
• Lazy scanning
• Cached SEO scores

Do I need AI for this plugin?

Not for the MVP. The basic version uses filename and title-based generation. AI integration is planned for future Pro version.

Screenshots

1. Dashboard Overview - Shows total images, images with alt text, missing alt text count, and SEO score
2. Bulk Generator - Interface to scan and generate alt text for existing images
3. Settings Page - Configuration options for generation methods and preferences
4. Post Editor - SEO score indicator showing images missing alt text
5. Missing ALT Warning - Warning modal when publishing posts with missing alt text

Changelog

1.0.0

• Initial release
• Automatic alt text generation on upload
• Bulk alt text generator
• SEO image score indicator
• Smart filename cleaner
• WooCommerce support
• Missing alt text warning
• Admin dashboard with overview, bulk fix, and settings

License

This plugin is free software licensed under the GNU General Public License v2 or later.

Support

For support, please visit our support forums or contact us through the WordPress plugin support section.

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Contributors: Aditya Dhiman
Tags: seo, accessibility, images, alt text, wordpress plugin
Requires at least: 5.8
Tested up to: 6.4
Stable tag: 1.0.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html