AJAX Thumbnail Rebuild
AJAX Thumbnail Rebuild allows you to rebuild all thumbnails at once without script timeouts on your server.
4.8(90 reviews)
·30K+ active installs·Updated 2 years agoAs of April 2026, AJAX Thumbnail Rebuild is a WordPress ajax plugin with 30K+ active installations and a 4.8/5 rating from 90 reviews. It has been downloaded 851K+ times in total. Requires WordPress 2.8+ and PHP false+. Available on WordPress.org since 2009. Last updated 2 years ago — may have compatibility concerns. Download volume is stable this week. Top alternative: zipaddr-jp.
4.8/590 reviews
30K+active installs
851K+total downloads
17 yearssince 2009
Overview
AJAX Thumbnail Rebuild allows you to rebuild all thumbnails on your site. There are already some plugins available for this, but they have one thing in common: All thumbnails are rebuilt in a single step. This works fine when you don’t have that many photos on your site. When you have a lot of full-size photos, the script on the server side takes a long time to run. Unfortunately the time a script is allowed to run is limited, which sets an upper limit to the number of thumbnails you can regenerate. This number depends on the server configuration and the computing power your server has available. When you get over this limit, you won’t be able to rebuild your thumbnails.
Why would you want to rebuild your thumbnails? WordPress allows you to change the size of thumbnails. This way, you can…
Screenshots
Ratings & Reviews
4.890 reviews
5 ★
83
4 ★
1
3 ★
2
2 ★
0
1 ★
4
Recent Reviews
Still Works Great!
by cr8n·4 months ago
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 WordPress 6.8.3 & PHP 8.4
Seems to be a dead plugin
by mmk175·1 year ago
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
by Jasper MMM·2 years ago
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.
Best option if looking for Regenerate Thumbnails
by Fred·3 years ago
It did what Regenerate Thumbnails can’t.
Has this plugin been abandoned?
by 802jan·4 years ago
Wordfence is giving ‘abandoned’ warnings since there have been no updates in three years. Excellent plugin though.
Download Trends
Today: 74Yesterday: 79This week: 450Period total: 23K
Compatibility
| WordPress | 2.8+ requiredTested up to 6.2.9 |
| PHP | false+ required |
Version Adoption
v1.14
69.1%
v1.13
19.9%
v1.12
8.5%
Other
2.5%
Top Alternatives to AJAX Thumbnail Rebuild
Frequently Asked Questions
Changelog
1.14
- Fix security issues (props @patchstack)
- Fix Github link (props @Julix91 @garretthyder)
- Fix crop-settings for additional sizes (props @karlkowald)
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.