Perfect Images: Regenerate Thumbnails… vs AJAX Thumbnail Rebuild (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Perfect Images: Regenerate Thumbnails…
60K+ active installs
Free
Quick Verdict
As of April 2026, Perfect Images: Regenerate Thumbnails… has a higher user rating (4.8/5 from 278 reviews) and leads in active installations (60K+ vs 30K+). Both are free WordPress plugins. Perfect Images: Regenerate Thumbnails… has accumulated 5.9M+ total downloads while AJAX Thumbnail Rebuild has 851K+.
Detailed Comparison
| Metric | Perfect Images: Regenerate Thumbnails… | AJAX Thumbnail Rebuild | |
|---|---|---|---|
| Rating | 4.8/5 | 4.8/5 | |
| Total Reviews | 278 | ◄ | 90 |
| Active Installs | 60K+ | ◄ | 30K+ |
| Total Downloads | 5.9M+ | ◄ | 851K+ |
| Support Resolution | 0% | N/A | |
| Last Updated | 3 weeks ago | ◄ | 2 years ago |
| First Released | 2012 | 2009 | |
| Age | 14 years | 17 years | |
| WP Requires | 6.0+ | 2.8+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 7.1.4 | 1.14 |
Rating Breakdown
Perfect Images: Regenerate Thumbnails…
AJAX Thumbnail Rebuild
Download Trends
Over the past 30 days, Perfect Images: Regenerate Thumbnails… averaged approximately 1,094 daily downloads while AJAX Thumbnail Rebuild averaged 63.
Recent Reviews
Perfect Images: Regenerate Thumbnails… Reviews
Professional plugin!
When it comes to obtaining lightweight, professional-quality images, this plugin is the perfect choice. Fidelity boils down to delivering the real image in Webp and Avif format without introducing ele
A solid, lightweight and deeply useful image-management plugin
I can confidently recommend Perfect Images — it’s the kind of plugin that should really be part of WordPress core: lightweight, sensible, and gives developers and site-owners real control over their m
Very useful, although some improvements required
I evaluated Perfect Images (free version) as a replacement for plugin Regenerate Thumbnails (whose author sadly passed away and thus the plugin is not maintained any longer, although it still works).
AJAX Thumbnail Rebuild Reviews
Still Works Great!
With over 4K images on my site, it’s impossible to get “Regenerate Thumbnails” in Woocommerce to complete. This takes care of it in a couple hours without taking a break. Thank you! Running WordP
Seems to be a dead plugin
No replies to support queries for over a year so it seems like a dead plugin. hopefully you backup your site before trying this.
This should be in Core
This is a great plugin, easy to use and it should be in Core in some way or form. It’s ridiculous that Woo does automatic thumbnail regeneration, but WP Core doesn’t. Thanks for this.
More Regenerate Worth Comparing
Top alternatives in the same category as Perfect Images: Regenerate Thumbnails… and AJAX Thumbnail Rebuild
Improve the quality of re-sized images by replacing standard GD library with ImageMagick.
Advanced management for images, register new sub-sizes, sub-sizes details, regenerate and cleanup files.
Automatically regenerates your thumbnails on the fly when thumbnail sizes change.
Fix missing thumbnails in no time with few easy clicks. The plugin does the hard work.
Real Thumbnail Generator is a WordPress plugin for regenerating thumbnails. It is beginner-friendly, SEO-optimised and GDPR-compliant.
Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.