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Alt Text Generator WordPress Plugin - Complete Tutorial

Automatic

Alt text on upload

Bulk

Alt text generation

131+

Languages

WP-CLI

Command line support

WCAG

& ADA compliant

AltTextGeneratorAI WordPress plugin writes SEO-friendly, accessible alt text for your images using AI. Alt text is generated automatically when you upload an image, or in bulk for the images already in your Media Library.

What you get:

  • Alt text on upload, with no extra steps
  • Bulk alt text generation for your whole Media Library
  • Short alt text detection, so you can find and improve thin descriptions
  • 131+ languages
  • WP-CLI support for migrations, staging and scheduled jobs
  • WCAG & ADA compliant alt text
  • Support for JPEG, JPG, PNG, SVG, GIF, WEBP and AVIF images
  • WooCommerce support for product and gallery images

Follow this step-by-step tutorial to add alt text to your WordPress images.

1

Installing the Plugin

  1. Log in to your WordPress dashboard
  2. Navigate to Plugins > Add Plugin
  3. Search for "Alt Text Generator AI"
  4. Click "Install Now" on our plugin
  5. After installation completes, click "Activate"
Alternatively, you can download the plugin from the WordPress Plugin Directory and upload it manually.
Searching for Alt Text Generator AI in the WordPress Add Plugins screen
2

Setting Up Your API Key

  1. Create an account on AltTextGeneratorAI.com
  2. Go to your dashboard and copy your API key
  3. Return to your WordPress dashboard
  4. Navigate to AltTextGenerator > Settings in the sidebar
  5. Paste your API key, set website and language in the designated fields
  6. Click Save Settings

⚠️Your API key is unique to your account.

💡You can also check the other boxes in Settings to generate the image title, caption and description from the alt text.

Alt Text Generator AI settings page with API key, website domain and Save Settings highlighted
3a

Generate Alt Text (Manually)

  1. Navigate to Media > Library
  2. Click on any of your images
  3. Click on the Generate Alt Text button below the Alternative Text field
  4. Done! Alt text will be generated automatically.
Generate Alt Text button in the WordPress image details window
3b

Generate Alt Text (Automatic)

  1. Navigate to Media > Library > Add Media File
  2. Upload as many images as you would like
  3. Once images are uploaded, alt text will be generated automatically for them
  4. Not generating? Make sure Automatically generate alt text when uploading images is checked in AltTextGenerator > Settings
WordPress Add Media File screen for uploading images
3c

Generate Alt Text (Bulk Feature)

  1. Click on AltTextGenerator > Bulk Alt Text
  2. Pick a tab: Images with Empty Alt, Images with Short Alt or All Images
  3. Select the images you want, or tick the top checkbox to select them all
  4. Click Generate for selected, or Generate for all to process every image in the tab
  5. You can also click Generate alt text on a single row
  6. Review the alt text right in the table, or click Edit to open the image in the Media Library
Bulk Alt Text page with Generate for selected and Generate for all buttons highlighted

Prefer the terminal?

Want to generate alt text from the command line? Use WP-CLI to process your whole Media Library in one command, after a migration or on a schedule. See our WP-CLI alt text guide for the commands, options and setup steps.

WordPress Plugin Features

⚡

Automatic

Alt text is automatically added to every image uploaded on your site. No extra steps needed—upload and go.

✏️

Customizable

Manually update and edit the AI generated alt text. You can also click the Generate Alt Text button to regenerate for any image.

🚀

Easy to Set Up

Just choose a plan from our pricing page, get your API key, and start generating alt text. Setup takes about 5 minutes.

🎁

Free Credits

Get 2 free credits upon sign up to test the plugin with your images before committing to a plan.

🖼️

Extensive Image Support

Supports JPEG, JPG, PNG, SVG, GIF, WEBP, and AVIF image formats. All the image types you commonly use.

🌍

Extensive Language Support

Supports 131+ languages including English, Spanish, French, German, Chinese, Japanese, Arabic, and many more.

🛒

WooCommerce Integration

Built-in WooCommerce integration. Product images get alt text automatically, improving your store's SEO.

📦

Bulk Processing

Scan your media library for images without alt text and generate descriptions for all of them at once.

♿

Accessibility Compliant

Generated alt text meets WCAG and ADA accessibility standards. Make your site accessible to screen reader users.

Why Bother Writing Alt Text Manually?

❌ Writing Alt Text by Hand

  • •500 blog posts with 3 images each = 1,500 descriptions to write
  • •Quality drops when rushing through bulk updates
  • •New posts often published without descriptions
  • •Takes 30-60 seconds per image to write properly

✅ With Alt Text Generator AI

  • •All 1,500 images handled automatically on upload
  • •Consistent quality across every image
  • •New content is always accessible from day one
  • •Bulk process existing library in minutes

WordPress Alt Text FAQs

What is AltTextGeneratorAI WordPress Plugin?

AltTextGeneratorAI is a WordPress alt text generator plugin that automatically creates descriptive alt text for images using AI. It helps improve SEO, accessibility, and Google Image Search visibility.

How do I install the AltTextGeneratorAI WordPress plugin?

Go to Plugins → Add New in your WordPress dashboard, search for "Alt Text Generator AI by Bryam Loaiza", click Install, then Activate. Get your free API key at our dashboard and paste it in the plugin settings.

Is alt text generated automatically when I upload images?

Yes. Automatic alt text is added when you upload images to WordPress. You can also click "Generate Alt Text" for any image in the media library.

Can I edit the generated alt text?

Yes. You can manually update and edit AI-generated alt text anytime in the WordPress media library.

Do I get free credits to try it?

Yes. New accounts get 2 free credits to test the WordPress plugin before choosing a paid plan. See pricing here.

Can I generate other image details?

Yes. In AltTextGenerator > Settings, check the options to also generate the image title, image caption and image description using the generated alt text.

What image formats are supported?

The plugin supports JPEG, JPG, PNG, SVG, GIF, WEBP, and AVIF image formats.

What languages are supported?

The plugin supports 131+ languages including English, Spanish, French, German, Italian, Portuguese, Dutch, Russian, Chinese, Japanese, Korean, Arabic, Hindi, Turkish, and many more.

Does it work with WooCommerce?

Yes. The plugin includes WooCommerce integration so product images can get alt text automatically.

Can I generate alt text for existing images in bulk?

Yes. Use Bulk Alt Text to scan your media library for images missing alt text and generate descriptions for selected images at once.

Is the generated alt text good for SEO?

Yes. The AI writes descriptive alt text that helps search engines understand image content and can improve visibility in Google Image Search.

Does it work with page builders like Elementor and Divi?

Yes. Because the plugin works at the media library level, it is compatible with Gutenberg, Classic Editor, Elementor, Divi, WPBakery, and other themes or builders.

🚀

Ready to Get Started?

Start generating alt text for your WordPress images today. Get 2 free credits on sign up!