FSM Custom Featured Image Caption
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About
Allows adding custom captions to the featured images of the posts.
Security History
What It Does
FSM Custom Featured Image Caption adds a dedicated caption field to the WordPress featured image metabox, letting you attach custom text to the image that appears wherever the featured image is rendered. This is useful when you need a credit line, copyright notice, or descriptive caption that is separate from the post title or standard media library caption.
Who It's For
This plugin is best for photographers, stock photo sites, news outlets, and art galleries that need to display photographer credits, licensing info, or descriptive captions directly under featured images. It also suits real estate, travel, food, and education sites where attributing or describing the hero image matters for legal or editorial reasons.
Who Should Skip It
If you only need a single caption per image stored in the media library, or if your theme already exposes caption and credit fields for featured images, this plugin adds an unnecessary layer. Casual bloggers and small sites that do not deal with copyright or attribution on every post will not get value from it.
The Bottom Line
FSM Custom Featured Image Caption is a focused, well-maintained tool that does one job: adding a caption field to featured images, and it scores 74.12 out of 100 on PluginCheck. The unresolved support thread and narrow install base are minor flags, but for any site that credits or copyrights its featured images regularly, this is a solid pick.
Related Plugins
Pick Autoptimize if your real priority is optimizing image loading and overall site performance rather than captioning featured images.
Choose WebP Express when serving next-generation image formats matters more to you than adding metadata to featured images.
Opt for Responsive Lightbox & Gallery if you need richer gallery and lightbox presentation along with image captions across the whole site.
This is better if your goal is displaying post thumbnails in sidebars and widgets rather than annotating featured images with credits.
Choose Media Library Assistant when you need broad media library management, including custom taxonomies and bulk edits, beyond just featured image captions.