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Auto Set Featured Image
Overview
Keep WordPress posts and pages from being left without a featured image when their content already contains suitable Media Library artwork. Auto Set Featured Image finds a supported image reference inside the content and assigns it as the featured image only when one has not already been selected.
The module works with supported image and gallery blocks, classic galleries, WordPress image classes, and resolvable image URLs. It can apply the behavior during supported save workflows or help you review older content through a scan-and-apply tool. Auto Set Featured Image is a Free module that preserves existing featured-image choices and does not download external images.

- Blogs whose authors sometimes forget to choose a featured image
- Agencies filling missing artwork on established client websites
- Editorial teams publishing posts with images already in the content
- Sites using public post types that support WordPress featured images
Features
Automatic Featured-Image Assignment
Preserve Existing Choices
Block and Classic Content Support
Select Eligible Post Types
Scan Existing Content
Reuse Existing Media
Use Cases
- Everyday Blog PublishingFill the featured-image field when an author has added Media Library images to a post but left its featured image empty.
- Existing Content CleanupScan older posts and apply qualifying featured-image assignments without editing every article individually.
- Custom Editorial TypesUse the same missing-image rule on supported public post types with thumbnail support.
- Mixed Manual and Automatic WorkflowsLet automation handle empty fields while preserving deliberately selected artwork.
Frequently Asked Questions
Which image becomes the featured image?
The first qualifying Media Library image found through the module’s supported detection order. It does not evaluate images visually or guarantee the best editorial choice.
Will it replace an existing featured image?
No. An existing featured-image assignment is left unchanged.
Does it work with WordPress blocks?
Yes. Supported image, gallery, media-text, and cover blocks are checked, including nested blocks.
Does it work with older classic content?
Yes. The module checks classic gallery IDs, WordPress image classes, and image-source URLs it can resolve to attachments.
Can it download an image from another website?
No. Hotlinked external images are not imported into the Media Library.
Can I use it on existing posts?
Yes. The administrative scan-and-apply workflow can help fill missing featured images on eligible existing content.
Does it only scan published posts?
No. The scan also includes supported draft, pending, private, and scheduled content without a featured-image reference.
Which post types can I select?
Eligible public types that support thumbnails. Posts and Pages are the defaults where supported; internal WordPress types are excluded.
Will rearranging images replace the featured image later?
No. Once a featured image is assigned, this module leaves it in place rather than continually synchronizing it with content order.
Does it create thumbnails or write alt text?
No. It assigns an existing image as featured. Image dimensions and alternative text are separate media tasks.
Is Auto Set Featured Image free?
Yes. Auto Set Featured Image is a Free module in WP PowerSuite.


