OTF Regenerate Thumbnails vs Real Thumbnail Generator: Efficient… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
OTF Regenerate Thumbnails
4.0K+ active installs
Free
Real Thumbnail Generator: Efficient…
1.0K+ active installs
Free
Quick Verdict
As of April 2026, OTF Regenerate Thumbnails has a higher user rating (4.6/5 from 19 reviews) and leads in active installations (4.0K+ vs 1.0K+). Both are free WordPress plugins. OTF Regenerate Thumbnails has accumulated 146K+ total downloads while Real Thumbnail Generator: Efficient… has 165K+.
Detailed Comparison
| Metric | OTF Regenerate Thumbnails | Real Thumbnail Generator: Efficient… | |
|---|---|---|---|
| Rating | 4.6/5 | ◄ | 3.9/5 |
| Total Reviews | 19 | ◄ | 14 |
| Active Installs | 4.0K+ | ◄ | 1.0K+ |
| Total Downloads | 146K+ | ► | 165K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 8 years ago | ► | 1 week ago |
| First Released | 2015 | 2019 | |
| Age | 11 years | 7 years | |
| WP Requires | 3.8+ | 5.9+ | |
| PHP Requires | false+ | 7.4.0+ | |
| Business Model | Free | Free | |
| Latest Version | 0.3 | 2.6.136 |
Rating Breakdown
OTF Regenerate Thumbnails
Real Thumbnail Generator: Efficient…
Download Trends
Over the past 30 days, OTF Regenerate Thumbnails averaged approximately 6 daily downloads while Real Thumbnail Generator: Efficient… averaged 38.
Recent Reviews
OTF Regenerate Thumbnails Reviews
must-have for theme/plugins development.
just works.
Such a shame it’s only compatible up to: 4.1.13
I would love to use it…
Great Plugin to Manage Thumbnails
This plugin resizes the thumbnails properly when wordpress theme does not.
Real Thumbnail Generator: Efficient… Reviews
Just no
Another freemium plugin that’s not even do what it’s advertise.Stopped after about 30% of regeneration process, told me to rate the plugin and did not even allowed me to regenerate missing sizes – i n
Thumbnails
Hallo, Thumbnails fuktioniert sehr gut. Konnte alle Fotos wieder herstellen. This topic was modified 3 years, 1 month ago by bredow.
Good plugin, terrible marketing!
Before you can use the plugin, you are FORCED to agree to send technical data to the developer, which is against WordPress terms! They do this by forcing you to agree to check a box saying that you ha
More Regenerate Worth Comparing
Top alternatives in the same category as OTF Regenerate Thumbnails and Real Thumbnail Generator: Efficient…
Optimize image sizes, regenerate thumbnails, enable retina, convert to WebP/AVIF, or use cloud optimization. An essential image toolkit.
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AJAX Thumbnail Rebuild allows you to rebuild all thumbnails at once without script timeouts on your server.
Advanced management for images, register new sub-sizes, sub-sizes details, regenerate and cleanup files.
Fix missing thumbnails in no time with few easy clicks. The plugin does the hard work.
Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.