Description
Are you tired of WordPress creating dozens of unused thumbnail sizes for every image you upload?
By default, WordPress and many themes register multiple image sizes and generate them for every single upload, filling your server with thousands of files you will never use. This wastes disk space and makes managing your media library difficult.
Smart Thumbnails GW solves this problem.
This plugin stops WordPress from creating unnecessary files and gives you precise control. Its intelligent logic generates custom sizes only for Featured Images when a post is saved. Images uploaded into your post content won’t create any extra thumbnails, saving you valuable server space.
Control exactly which sizes are created for each post type (posts, pages, products, etc.), clean up unused images automatically, and regenerate thumbnails only when you need to.
Screenshots
Installation
- Upload the
smart-thumbnails-gwfolder to the/wp-content/plugins/directory. - Activate the plugin through the ‘Plugins’ menu in WordPress.
- Go to Settings -> Smart Thumbnails to configure the plugin and define your custom image sizes.
FAQ
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I defined a new size. Why aren’t my old featured images showing it?
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You need to regenerate thumbnails for existing images. Go to the plugin’s settings page, click on the “Regenerate Thumbnails” tab, select the post type, and start the regeneration process.
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Will this plugin create sizes for images I upload to the post content?
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No. To save server space, this plugin is designed to create custom sizes only for Featured Images. Images uploaded to the content area will not have custom sizes generated.
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Can I define sizes for images uploaded directly to the Media Library?
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Yes. In the “Image Sizes” tab, you will see a post type called “Media” (
attachment). Any sizes you define there will be created for images uploaded directly to the Media Library.
Reviews
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Contributors & Developers
“Smart Thumbnails GW” is open source software. The following people have contributed to this plugin.
Contributors
“Smart Thumbnails GW” has been translated into 1 locale. Thank you to the translators for their contributions.
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Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
2.2.0
- Major Architecture Overhaul (Enterprise Standard).
- Implemented Cursor-based pagination for regeneration (High Performance).
- Improved Security with strict sanitization and validation.
- Fixed PHP 8+ compatibility warnings.
2.1.0
- Refactored code to meet WordPress.org standards.
- Replaced short prefixes with a unique prefix.
1.0.0
- Initial release.