AI Alt Text Generator in Spexo Addons for SEO and Accessibility
The AI Alt Text Generator helps you add clear and meaningful alt text to your images using AI.
Alt text improves SEO, makes your website more accessible, and improves overall content quality.
With Spexo Addons, you can generate alt text manually or let AI do it automatically.
This saves time and keeps your website optimized without extra effort.
Alt text helps search engines understand images and helps visually impaired users using screen readers.
Where to Find Spexo AI Alt Text Settings #
You can manage all AI Alt Text options from one simple place.
- Open your WordPress Dashboard
- Go to Spexo Addons → Settings → AI Settings → Tools & Workflow
- Enable the AI Alt Text Button

From here, you can control how alt text is created for your images.
- Manual alt text generation
- Automatic alt text generation (Pro)
- Alt text generation speed (Pro)
- Image detail level (Pro)
Auto Alt Text generation, interval control, and detail-level settings are available only in Spexo Addons PRO. Please activate PRO to access these features.
1. Manual AI Alt Text Generation #
This feature is available in both Free and Pro.
You decide when and where alt text should be generated.
Once enabled, a button appears inside the Media Library:
“Generate with Spexo AI”
Why Manual Alt Text Is Useful #
- Full control over each image
- Perfect for old or selected images
- No background process required
How to Generate Alt Text Manually #
- Go to Media → Library
- Click on any image
- Click Generate with Spexo AI
- Alt text is created and saved automatically
💡 Tip: You can edit the generated alt text anytime to add keywords or improve SEO.
2. Automatic Alt Text Generation #
The Automatic Alt Text Generation feature is available only in Spexo Addons PRO. Please install and activate the PRO plugin to access this feature.
This feature automatically generates alt text for every new image you upload.
It is ideal for websites that upload images regularly.
How Auto Alt Text Helps You #
- No manual work after image upload
- Consistent alt text across the website
- Huge time saver for large sites
When enabled:
- New images are added to a background queue
- AI processes images automatically
- Alt text is saved without any action from you
How to Enable Auto Alt Text #
- Go to Spexo Addons → Settings → AI Settings → Tools & Workflow
- Enable Auto Generate Alt Text
- Save the settings
Automatic alt text works only for newly uploaded images.
For existing images, use manual generation.
3. Alt Text Generation Interval #
The Alt Text Generation Interval setting is available only in Spexo Addons PRO. Please install and activate the PRO plugin to access this feature.
This setting controls how fast AI processes images in the background.
- Default: 60 seconds
- Allowed range: 10 to 3600 seconds
Why This Setting Matters #
- Prevents API limit issues
- Keeps your site stable
- Helps manage API usage
Recommended Values #
- 60–120 seconds: Best for most websites
- 10–30 seconds: Only for high API limits
- 300+ seconds: Very safe and slow
This setting affects only automatic alt text generation.
4. Image Detail Level #
The Image Detail Level setting is available only in Spexo Addons PRO. Please install and activate the PRO plugin to access this feature.
This option decides how detailed the AI description should be.
| Detail Level | Best Used For |
|---|---|
| Low | Simple images and product photos |
| High | Complex images, graphics, and artwork |
💡 Tip: High detail gives better SEO but uses more AI tokens.
Free vs Pro Comparison #
| Feature | Free | Pro |
|---|---|---|
| Manual Alt Text | ✔ Yes | ✔ Yes |
| Automatic Alt Text | ✖ No | ✔ Yes |
| Interval Control | ✖ No | ✔ Yes |
| Detail Level Control | ✖ No | ✔ Yes |
Common Issues & Quick Checks #
- Alt text not generating automatically
- Manual button not visible
- Images stuck in queue
Check the following:
- OpenAI API key is added correctly
- Your OpenAI account has at least $5 balance
- WordPress cron is enabled
- Interval value is not too low
For detailed solutions to common problems, see:
Fix Common Spexo AI Issues
Best Tips for Better Results #
- Use High Detail for complex images
- Use Low Detail for simple images
- Review AI-generated alt text for accuracy
- Edit alt text to add SEO keywords if needed
Looking for tips to use Spexo AI like a pro?
Best Practices to Use Spexo AI Effectively
You’re Ready to Generate AI Alt Text! #
With AI-powered alt text, your website becomes more accessible, SEO-friendly, and professional — with almost no effort.
Need help? Contact our support team. We’re always happy to help!
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