Census › Plugin profiles › Regenerate Thumbnails

Regenerate Thumbnails

Figures from the Plugin Directory Census · as of 28 Aug 2026

Active installs, lower bound

Group: 1,000,000+ installs

373

Days since the last release

Group median: 8

4.6

out of 5, from 395 ratings

Group median: 4.7 (10+ ratings)

no threads

Support threads, two months

Group: 71.9%

Full profile on wordpress.org Show on the map Compare with your own plugins

What is Regenerate Thumbnails and who is behind it?

Regenerate Thumbnails is a WordPress plugin in the “Media” field, made by Alex Mills. It has been listed in the directory since 28 Aug 2008, so for 18 years. Alex Mills has 2 plugins with at least 10,000 installs in the census. With 1,000,000 to 1,999,999 active installs it belongs to the 1,000,000+ installs group; its last release came 373 days before the reference date, and it is tested up to WordPress 6.8.

This is how the author describes the plugin on wordpress.org:

“Regenerate the thumbnails for one or more of your image uploads. Useful when changing their sizes or your theme.”

Self-description on wordpress.org, retrieved on 10 Sept 2026

When was Regenerate Thumbnails last released?

The last release of Regenerate Thumbnails came 373 days before the reference date; the group median is 8 days. That makes Regenerate Thumbnails silent in the census, meaning no release for more than 365 days, as are 1.5% of the group.

Each dot is a plugin in the 1,000,000+ installs group, placed horizontally by days since its last release, on a logarithmic scale. The dashed line marks 365 days.

How many installs does Regenerate Thumbnails have?

Regenerate Thumbnails had 1,000,000 to 1,999,999 active installs on the reference date. Within its group, 28 plugins had a higher band and 38 plugins the same band.

The API reports installs only as a lower bound with one significant figure: 1,000,000 means at least 1,000,000 and at most 1,999,999.

Which WordPress version is Regenerate Thumbnails tested with?

On the reference date the plugin page on wordpress.org showed the notice “This plugin hasn’t been tested with the latest 3 major releases of WordPress”, because the “tested up to” field was below 6.9 (6.8). The notice describes only that field; it does not say whether the plugin runs on newer versions. 3.0% of the group carried it.

How does Regenerate Thumbnails compare with its group?

The group holds 67 listed plugins. 98.5% of them had a more recent last release than Regenerate Thumbnails; 1.5% had no release for more than 365 days.

Figure	Regenerate Thumbnails	Group, 67 plugins
Days since the last release	373	median 8
Rating	4.6 (395)	median 4.7 (10+ ratings)
Support threads marked resolved	not stated	71.9%
Tested up to	6.8	65.7% on 7.1
Requires PHP	5.2	most often 7.4 (49.3%)

All values on the reference date

Slug	`regenerate-thumbnails`
Author	Alex Mills
Active installs	1,000,000 to 1,999,999
Last release	373 days before the reference date
Tested up to	WordPress 6.8 · core on the reference date: 7.1
Requires WordPress	4.7
Requires PHP	5.2
Rating	4.6 out of 5 from 395 ratings
Support threads, two months	none in the window
Listed since	28 Aug 2008
Total downloads	22,813,718, updates included
Tags	post-thumbnail, post-thumbnails, thumbnail, thumbnails

Tag	Plugins with 10,000+ installs and this tag	Rank by installs	Median days since release
post-thumbnail	2	1	211
post-thumbnails	4	1	139
thumbnail	6	1	155
thumbnails	7	1	10

Class of 2008

Regenerate Thumbnails has been listed since 28 Aug 2008. Of the 45 plugins with 10,000+ installs added in 2008, 71.1% released within the 365 days before the reference date.

Same group, shared tags

Not a recommendation; the same figures for comparison. Alphabetical.

Plugin	Active installs	Last release	Rating
Auto Featured Image	40,000 to 49,999	7 days before the reference date	3.8 (118)
Force Regenerate Thumbnails	200,000 to 299,999	192 days before the reference date	4.7 (184)
Perfect Images	60,000 to 69,999	8 days before the reference date	4.8 (279)
Quick Featured Images	50,000 to 59,999	10 days before the reference date	4.7 (235)
Recent Posts Widget With Thumbnails	100,000 to 199,999	10 days before the reference date	4.8 (212)

Do you maintain Regenerate Thumbnails?

If you maintain Regenerate Thumbnails, you can link to this profile, for example from your readme or your website. Both snippets show this badge:

HTML

<a href="https://hafenstudios.com/en/census/plugins/regenerate-thumbnails/"><img src="https://hafenstudios.com/census/plugins/badge-en.svg" alt="Regenerate Thumbnails in the Plugin Directory Census 01/2026" width="220" height="40"></a>

Markdown

[![Regenerate Thumbnails in the Plugin Directory Census 01/2026](https://hafenstudios.com/census/plugins/badge-en.svg)](https://hafenstudios.com/en/census/plugins/regenerate-thumbnails/)

The image is loaded from hafenstudios.com; as with every request, our server records the usual access data, which is deleted after 14 days. If you prefer not to, use a plain text link.

A value is wrong? Write to moin@hafenstudios.com; a documented correction leads to a new version.

How to cite

hafenstudios (2026): Regenerate Thumbnails, profile in the Plugin Directory Census 01/2026, reference date 28 Aug 2026. https://hafenstudios.com/en/census/plugins/regenerate-thumbnails/

Source and status

All values come from the full pull of the public wordpress.org API on 28 Aug 2026 (reference time 21:56:30 UTC). The analysis and text on this page are available under CC BY 4.0; the raw values come from the public wordpress.org API and are in the raw data. How the count was made is set out in the method, what the fields do not say under limits. hafenstudios builds WordPress plugins itself, see the conflict of interest. Corrections to moin@hafenstudios.com; a documented correction leads to a new version. From issue 02 this page will also show the change since the previous reference date. Collected and prepared by Horst Wenzel.

Plugin names and trademarks belong to their owners. hafenstudios is not affiliated with the authors named here.