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Regenerate Thumbnails

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

4.6

Rating summary

388

Reviews

1M

Active installations

Cover Photo
+2
Main benefits

Regenerate all thumbnail sizes

Delete old, unused thumbnails

Adapt to new themes

Free up server space

About this plugin

Author: Alex Mills
Categories: Media Management
Version: 3.1.6
Last updated: 14-08-2023
WordPress version: 4.7
Tested up to: 6.3.4
PHP version required: 5.2.4
Languages: Albanian, Catalan [+67]
Tags:

Post thumbnail

Post thumbnails

Thumbnail

Thumbnails

Learning resources: View resources

Overview

Regenerate Thumbnails is a WordPress plugin designed to regenerate all thumbnail sizes for images in your Media Library. This functionality is particularly useful if you've added a new thumbnail size, changed the dimensions of an existing size, or switched to a new WordPress theme that requires different image dimensions. Additionally, the plugin offers a feature to delete old, unused thumbnails to conserve server space. Originally created by the late Alex Mills, the plugin is now maintained by Automattic and the WordPress community. Alternatives such as WP-CLI and Jetpack’s Photon Module are recommended for users with specific needs for speed or on-the-fly thumbnail creation. Support for Regenerate Thumbnails is available through WordPress.org forums and its source code can be accessed on GitHub.

Regenerate Thumbnails for New Sizes

  • Allows you to regenerate all thumbnail sizes for one or more images in your Media Library.
  • Useful when a new thumbnail size has been added and you want past uploads to have a thumbnail in that size.

Adjust Existing Thumbnail Dimensions

  • Enables you to regenerate thumbnails when you’ve changed the dimensions of an existing thumbnail size.
  • Helps in maintaining consistency across your site when dimensions are altered via Settings → Media.

Compatibility with New Themes

  • Facilitates the regeneration of thumbnails when you switch to a new WordPress theme.
  • Ensures that featured images conform to the new theme's required sizes.

Free Up Server Space

  • Offers the ability to delete old, unused thumbnails.
  • Helps in freeing up server space by removing unnecessary image files.

Rating and reviews

4.6

Rating summary

388

Reviews

1M

Active installations

5
4
3
2
1

User sentiment analysis

Users appreciate the WordPress plugin for its ability to save time and effort, particularly after site migrations or theme changes when thumbnails must be regenerated. It is praised for being easy to install and use, providing reliable results even with a large number of images, and offering a clear visual progress indicator. Many users find it invaluable, especially for developers and designers who frequently adjust image sizes. However, some drawbacks include occasional failures to regenerate all thumbnails, compatibility issues with certain image formats like .webp, and potential problems like inadvertently deleting images or causing site downtime. The lack of updates due to the creator's passing is also a concern for ongoing maintenance and improvements.
sunred

sunred

30 Jun, 2016

awesome plugin
mbain

mbain

01 Jan, 2015

Oh my what a great little plugin.
tomsansome

tomsansome

07 Apr, 2014

Spot on.
ImagePros

ImagePros

31 Jan, 2013

Nice donation comin’ your way…thank you.
reviu

reviu

19 Sep, 2021

Thank you, after migrating the thumbnails got messed up

FAQ

Is this plugin GDPR compliant?

What does the Regenerate Thumbnails plugin do?

Can this plugin delete old, unused thumbnails?

Who maintains this plugin?

Are there any alternatives to this plugin?

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Where can I find the source code for this plugin?

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