Descripción

Force Regenerate Thumbnails allows you to delete all old images sizes and REALLY regenerate the thumbnails for your uploads.

Regenerate all thumbnails from the Tools admin menu. Regenerate batches of images via the Media Library list mode. Select the images to regenerate and then use the Bulk Actions drop-down menu to Force Regenerate Thumbnails. Use attachment actions to regenerate thumbnails for a single image.

Several filters exist for advanced usage. See more via this gist.

You may report security issues through our Patchstack Vulnerability Disclosure Program. The Patchstack team helps validate, triage and handle any security vulnerabilities. Report a security vulnerability.

Capturas de pantalla

Instalación

Go to your admin area and select Plugins -> Add new from the menu.
Search for “Force Regenerate Thumbnails”.
Clickea Instalar.
Clickear Activar.
Go to Tools -> Force Regenerate Thumbnails OR select specific images from the Media Library list mode to regenerate.

Reseñas

Andrew 28 de Agosto de 2026 1 respuesta

This plugin is great, it does exactly what it’s supposed to do.I would suggest to add an option to hide the logs, I don’t see any reason to display all this info in the tab and make it laggy, just export in a txt if someone wants it. I ran it on 20k images so I had to stop and resume because the scroll tab was huge!

edbellsmokeandbooze 17 de Junio de 2026 1 respuesta

GOOD! I just clicked to start the process without checking any options and it seems to delete all old thumbnails to then create the new ones needed by my new theme, is it correct ?

barnabas1 17 de Enero de 2026

Absolutely great plugin. Fixed my bad looking woocommerce thumbnails that were generated with wrong dimensions in the past.

koultti 6 de Diciembre de 2025 1 respuesta

I was completely stuck—my site was overloaded with heavy PNG images and more than 100,000 unnecessary thumbnails. I was seriously considering deleting everything and rebuilding the whole site from scratch. Every thumbnail regeneration plugin I tried would either freeze, fail to delete the old thumbnails, or just generate even more useless image sizes. Then I found this plugin, and honestly, it was a game changer. I used it together with two other tools:• Image Sizes Controller by GrandPlugins — I disabled every thumbnail size I didn’t need and kept only the one that mattered. Before that, WordPress was generating around 10 different sizes for each image.• Plus WebP or AVIF by Katsushi Kawamori — This one converts any uploaded image to WebP with adjustable quality and deletes the original file. Simply perfect. Now my website is faster than a bullet. After installing and configuring the other two plugins, I tested everything and then started the full thumbnail regeneration process using Force Regenerate Thumbnails. To my surprise, it worked flawlessly: no freezing, no errors, and the whole process was impressively fast. All the old oversized images were completely removed, and every thumbnail was regenerated exactly as needed. A HUGE THANK YOU to the developer of this plugin. You genuinely saved my project. Wishing you all the good things in the world!

jofer 7 de Noviembre de 2025 1 respuesta

It works very well! Thank you!!

stefansic 28 de Mayo de 2025 1 respuesta

The plugin regenerates the image sizes that are registered. It deletes the unregistered ones AND it also seems to repair the meta data. Impressive! Thank you very much!

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Colaboradores & Desarrolladores

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Historial de cambios

2.3.0

Release Date – February 17, 2026

added: WP_CLI command: force-regenerate-thumbnails props @realmranshuman
fixed: PHP 8.5 compatibility

2.2.2

Release Date – June 3, 2025

fixed: PHP notice when regenerating select images

2.2.1

Release Date – November 12, 2024

added: list of active image sizes when regenerating thumbs for all images

2.2.0

Release Date – September 17, 2024

added: regen process can be resumed
fixed: nonce expiration stops regen process
fixed: JS errors on thumb regen page

2.1.4

Release Date – April 23, 2024

fixed: thumb removal via metadata not working due to undefined variable

2.1.3

Release Date – September 13, 2023

changed: use updated coding standards
fixed: WP image edits lost if pre-scaled original is used for thumbnail generation

2.1.2

Release Date – March 21, 2023

changed: improved i18n for page headings and menu entries, props @alexclassroom

2.1.1

Release Date – January 18, 2023

fixed: invalid trailing comma syntax in PHP 7.2

2.1.0

Release Date – November 10, 2022

agregado: compatibilidad con PHP 8.0
added: support generating thumbnails from original (pre-scaled), on by default
added: support for PDF thumbnail generation
added: ability to skip an image by regenerate_thumbs_skip_image filter
changed: escape all output, sanitize all input
changed: ensure all strings are i18n
changed: remove HTML from i18n strings
changed: improve path lookup function
fixed: call to set_time_limit() when it is not allowed

Earlier versions

Please refer to the separate changelog.txt file.

Great plugin

GOOD! I just clicked to start the process without checking any options

What you need

This plugin literally saved my website with over 50,000 products.

Solve the problem!

has saved my life