How to Add Alt Text to Images in WordPress
Learn how to add alt text to images in WordPress manually or automatically using the AI image alt text generator for WordPress.
About
What is AutoAlt.ai
AutoAlt.ai automatically generates alt text and image titles for your images.
Simply upload an image or provide a URL, and we’ll deliver optimized alt text based on the image content.
We offer multiple integration options tailored to your website setup. Check our Integrations page to see if we have a ready-to-use solution for your platform.
Video Tutorials
Explore how AutoAlt.ai works across different platforms. Watch step-by-step tutorials and plugin demos on our YouTube channel to quickly learn how to get started and make the most of our features.
Need Support?
Have questions or need help? Visit our Support Page to browse FAQs, watch helpful videos, or connect with our support team for personalized assistance.
Plugin Installation
WordPress
The Automatic Alt Text Generator for Images WordPress plugin makes it effortless to automatically generate ALT text and image titles for all your media. Whether you’re uploading new images or optimizing existing ones in the Media Library, this plugin ensures your content is always SEO-friendly and accessible—no manual effort required. It’s the easiest way to add alt text to images in WordPress automatically.
Installation
You can install the extension directly from our website Download.
- Go to Plugins > Add Plugin in your WordPress dashboard.
- Search for “Auto Alt AI”.
- From the search results, find the Auto Alt AI plugin.
- Click on the Install Now button, then click on the Activate button.
Setup
Connect your AutoAlt.ai plugin to your account using a secure API Key. Follow these steps:
- Visit https://autoalt.ai to sign up for a free trial or choose a paid plan.
- Copy your API key from your AutoAlt.ai account.
- Go to the plugin’s Settings page in WordPress and paste the API key to link your account.
- Upload an image – the plugin will automatically generate alt text for it.

Quick Start
The Automatic Alt Text Generator for Images plugin is designed to work seamlessly in the background, automatically generating ALT text and image titles for any new image you upload to your WordPress Media Library. It can also incorporate relevant SEO keywords to enhance your site’s visibility.
To customize how the plugin behaves, go to the Settings page under AutoAlt.ai in your WordPress admin dashboard.
When Images are Uploading
Within the plugin settings page, there is an option labeled “While Uploading New Images”. When enabled, the plugin will automatically generate alt text for newly uploaded images.
If WPML or Polylang is active, alt text will be generated for all configured languages.

Note
This option is Checked by default. If unchecked, automatic alt text generation for new images will be stopped.
Updating a Single Image
Simply open the image in your WordPress Media Library and click the “Generate Alt Text” button to quickly add alt text to the image that WordPress users need. The plugin will analyze the image and instantly generate optimized ALT text and title for it.

Bulk Generate Alt Text
This tool allows you to quickly generate ALT text for multiple images.
To access it, navigate to AutoAlt.ai → Bulk Generate from the WordPress admin menu.
You can refine which images are processed by applying the following filters:
- Overwrite existing alt text
Include images that already have ALT text. Enabling this will replace existing ALT attributes with new ones. - Attached to post
Only process images that are attached to a post, page, or any custom post type. Unattached media files will be excluded. - Processed by AutoAlt.ai
Skip images that have already been processed by AutoAlt.ai to avoid duplicate or unnecessary updates.


Info
Customize the generation by Including SEO keywords or Removing negative keywords to enhance the quality and relevance of the generated alt text.
Updating Multiple Images
From your Media Library list view, check the boxes next to the images you want to process. Then, open the “Bulk actions” dropdown, select “Generate Alt Text – AutoAlt”, and click Apply to automatically generate ALT text for all selected images.

Note
After clicking Apply, you’ll be redirected to the Bulk Generate screen, where you can generate ALT text for the selected images.
Quick Edit from History page
Go to the History page and quickly update alt text for any previously processed images. Simply review and edit the entries and click the “Update” button to save instantly.
The history of processed images is organized by generated languages, allowing you to easily update alt text based on your preferred language or specific requirements.

Note
Clicking the Update button allows you to modify existing alt text without deducting any credits from your account.
While Creating Alt Text for Images
When generating ALT text, you can choose to apply the same text to other image fields for consistency and improved SEO. The following options are available:
- Set the image title using the generated alt text
Automatically copy the generated ALT text into the image’s title field. - Set the image caption using the generated alt text
Use the generated ALT text as the image’s caption, which can appear on the front end depending on your theme. - Set the image description using the generated alt text
Populate the image’s description field with the same generated ALT text.

Note
This option are disabled by default. To activate this feature, please check the checkbox and save your settings.
Filter by Image Extension
The “Filter by Image Extension” feature helps you manage credits efficiently. For example, if you upload images in JPG or PNG format, but your website automatically converts them to WebP for performance optimization, it’s recommended to filter and select only the WebP format during processing. This ensures that credits are used only for the final images actually displayed on your site.

Include SEO Keywords
Automatically enhance your image ALT text using focus keywords from the post the image is associated with.
- Use focus keywords to generate alt text (if available).
When focus keywords are added to your post using SEO plugins like Yoast, All in One SEO, Rank Math, SEOPress, Squirrly, or SmartCrawl Pro, the plugin will automatically include those keywords in the generated ALT text.
- Can’t find SEO keywords? Use the post title instead
If a focus keyword isn’t available, the plugin will use the post title to generate meaningful alt text.

Note
This options are disabled by default. To activate this feature, please check the checkbox and save your settings.
- Make sure the image is added to or used within a post.
- Focus keywords must be set for the post where the image is used.
- To allow keyword detection, the image must be attached to the post in WordPress.
You can confirm this by viewing the image in the Media Library — it should show “Uploaded to: [Post Name]”. Unattached images will not inherit keywords automatically.
WooCommerce Images
ALT text for product images plays a key role in improving SEO and product visibility. To give you full control, the plugin provides flexible options for how ALT text is generated for WooCommerce product images:
- Use the product name when generating alt text
Automatically apply the WooCommerce product title as the base for generating ALT text for product images. - Use image title as product name (instead of WooCommerce product title)
Use the image title as the primary source when generating ALT text.
Recommended if your image titles provide better or more detailed descriptions than the product title.

Note
By default, these options are turned off. To enable them, select the checkbox for the option that best fits your product images and save your settings.
Staging Server Access
If you are using the extension on a local system or a staging server secured with an .htpasswd username and password, please ensure that this checkbox is unchecked for use extension functionality.

Note
By default, the “Access Image URL” option is enabled, assuming the site is accessible over the public internet.