AJAX Thumbnail Rebuild vs OTF Regenerate Thumbnails
Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
These aren’t all alternatives to each other — they do different jobs — so this page compares popularity only, not features.
At a glance
AJAX Thumbnail Rebuild leads the WordPress.org popular list today at #1,044, ahead of OTF Regenerate Thumbnails at #3,409. Over the last 7 days AJAX Thumbnail Rebuild slipped 1 place and OTF Regenerate Thumbnails slipped 6 places. AJAX Thumbnail Rebuild has the largest install base, roughly 7.5× the next: 30K+ active installs against 4K+ for OTF Regenerate Thumbnails. Downloads this week: AJAX Thumbnail Rebuild 1,219 and OTF Regenerate Thumbnails 71. Ratings: AJAX Thumbnail Rebuild 4.8★ from 90 and OTF Regenerate Thumbnails 4.6★ from 19 reviews.
| Metric | AJAX Thumbnail Rebuild | OTF Regenerate Thumbnails |
|---|---|---|
| Popular rank today | #1,044 ▼ 1 | #3,409 ▼ 6 |
| Active installs | 30K+ | 4K+ |
| Downloads, last 7 days | 1,219 | 71 |
| Rating | 4.8★ (90) | 4.6★ (19) |
| Last updated | Sep 12, 2026 | Nov 28, 2017 |
| Current version | 2.2.1 | 0.3 |
| Best rank on record | #1,028 | #3,381 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Oct 2009 | Jan 2015 |
Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.
Ranking history Lower is better
Active installs
Downloads per day
More comparisons
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- AJAX Thumbnail Rebuild vs XO Featured Image Tools
- AJAX Thumbnail Rebuild vs Default featured image
- AJAX Thumbnail Rebuild vs Perfect Images: Regenerate Thumbnails, Image Sizes, WebP & AVIF
- OTF Regenerate Thumbnails vs Force Regenerate Thumbnails
- OTF Regenerate Thumbnails vs Regenerate Thumbnails
- OTF Regenerate Thumbnails vs Perfect Images: Regenerate Thumbnails, Image Sizes, WebP & AVIF
Frequently asked questions
Which is more popular, AJAX Thumbnail Rebuild or OTF Regenerate Thumbnails?
By active installs, AJAX Thumbnail Rebuild: 30K+ sites run it against 4K+ for OTF Regenerate Thumbnails, according to WordPress.org figures captured on October 18, 2026.
Which ranks higher on WordPress.org, AJAX Thumbnail Rebuild or OTF Regenerate Thumbnails?
AJAX Thumbnail Rebuild, at #1,044 on the WordPress.org popular plugins list today, with OTF Regenerate Thumbnails at #3,409. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are AJAX Thumbnail Rebuild or OTF Regenerate Thumbnails alternatives to each other?
Not all of them. Some of these plugins do different jobs and many sites run more than one. This page compares their popularity, not their features.
Where do these numbers come from?
WordPress.org publishes each plugin’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the plugins have moved over time rather than a single day.