Title: Bulk Generate Thumbnails
Author: Katsushi Kawamori
Published: <strong>MBooy 24, 2020</strong>
Last modified: MBooy 29, 2026

---

Search plugins

![](https://ps.w.org/bulk-generate-thumbnails/assets/icon-256x256.png?rev=2266943)

# Bulk Generate Thumbnails

 By [Katsushi Kawamori](https://profiles.wordpress.org/katsushi-kawamori/)

[Download](https://downloads.wordpress.org/plugin/bulk-generate-thumbnails.3.03.zip)

 * [Details](https://fuc.wordpress.org/plugins/bulk-generate-thumbnails/#description)
 * [Reviews](https://fuc.wordpress.org/plugins/bulk-generate-thumbnails/#reviews)
 *  [Installation](https://fuc.wordpress.org/plugins/bulk-generate-thumbnails/#installation)
 * [Development](https://fuc.wordpress.org/plugins/bulk-generate-thumbnails/#developers)

 [Support](https://wordpress.org/support/plugin/bulk-generate-thumbnails/)

## Description

#### Generate Thumbnails

 * Generate Thumbnails from all the images by asynchronous processing.
 * Generate Thumbnails from select the images by asynchronous processing.
 * If you are an administrator, it will generate thumbnails for all images, otherwise
   it will generate thumbnails for the images owned by each user.

#### The following plugin adds a function for generating thumbnails.

 * Select the thumbnails and functions to disable it. [Disable Generate Thumbnails](https://wordpress.org/plugins/disable-generate-thumbnails/)
 * Specify the ratio of thumbnails generation. [Ratio Thumbnails Size](https://wordpress.org/plugins/ratio-thumbnails-size/)

#### WP-CLI

WP-CLI commands are available.
 * `wp bgth_cli mail` -> Send results via email. *`
wp bgth_cli nomail` -> Do not send results by email. * `wp bgth_cli mail --uid=13`-
> Process only specified User ID(13). * `wp bgth_cli mail --pid=12152` -> Process
only specified Post ID(12152).

## Screenshots

 * [[
 * Initial screen
 * [[
 * Execution screen

## Installation

 1. Upload `bulk-generate-thumbnails` directory to the `/wp-content/plugins/` directory
 2. Activate the plugin through the ‘Plugins’ menu in WordPress

## FAQ

none

## Reviews

There are no reviews for this plugin.

## Contributors & Developers

“Bulk Generate Thumbnails” is open source software. The following people have contributed
to this plugin.

Contributors

 *   [ Katsushi Kawamori ](https://profiles.wordpress.org/katsushi-kawamori/)

“Bulk Generate Thumbnails” has been translated into 1 locale. Thank you to [the translators](https://translate.wordpress.org/projects/wp-plugins/bulk-generate-thumbnails/contributors)
for their contributions.

[Translate “Bulk Generate Thumbnails” into your language.](https://translate.wordpress.org/projects/wp-plugins/bulk-generate-thumbnails)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/bulk-generate-thumbnails/),
check out the [SVN repository](https://plugins.svn.wordpress.org/bulk-generate-thumbnails/),
or subscribe to the [development log](https://plugins.trac.wordpress.org/log/bulk-generate-thumbnails/)
by [RSS](https://plugins.trac.wordpress.org/log/bulk-generate-thumbnails/?limit=100&mode=stop_on_copy&format=rss).

## Changelog

#### [3.03] 2025/04/16

 * Fix – Loading the management screen.

#### [3.02] 2024/08/08

 * Fix – Problems with judging user IDs for submissions.
 * Added – Added the user nickname to the generate message.
 * Added – Option to send results by email.

#### [3.01] 2024/08/07

 * Added – Added the post ID to the WP-CLI command argument.
 * Tweak – Some functions were hooked.
 * Fix – Some translations.

#### [3.00] 2024/08/06

 * Added – WP-CLI command for thumbnails bulk generation.

#### [2.06] 2024/03/01

 * Fix – Added nonce when sorting.

#### 2.05

Changed json_encode to wp_json_encode.

#### 2.04

PHP 8.0 is now required.

#### 2.03

Supported WordPress 6.4.

#### 2.02

Fixed potential security issue.

#### 2.01

Fixed a pagination problem when searching for text.

#### 2.00

Added support for selective generation.
 Added support for per-user generation.

#### 1.14

Supported XAMPP.

#### 1.13

Supported WordPress 5.6.

#### 1.12

Fixed problem of metadta.

#### 1.11

Fixed a problem with error output.

#### 1.10

Changed to asynchronous processing.

#### 1.03

Fixed clear cron schedules issue.

#### 1.02

Fixed timeout check issue.

#### 1.01

Fixed translation.

#### 1.00

Initial release.

## Meta

 *  Version **3.03**
 *  Last updated **2 months ago**
 *  Active installations **100+**
 *  WordPress version ** 4.7 or higher **
 *  Tested up to **7.0**
 *  PHP version ** 8.0 or higher **
 *  Languages
 * [English (US)](https://wordpress.org/plugins/bulk-generate-thumbnails/) and [Japanese](https://ja.wordpress.org/plugins/bulk-generate-thumbnails/).
 *  [Translate into your language](https://translate.wordpress.org/projects/wp-plugins/bulk-generate-thumbnails)
 * Tags
 * [media](https://fuc.wordpress.org/plugins/tags/media/)[thumbnails](https://fuc.wordpress.org/plugins/tags/thumbnails/)
 *  [Advanced View](https://fuc.wordpress.org/plugins/bulk-generate-thumbnails/advanced/)

## Ratings

No reviews have been submitted yet.

[Your review](https://wordpress.org/support/plugin/bulk-generate-thumbnails/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/bulk-generate-thumbnails/reviews/)

## Contributors

 *   [ Katsushi Kawamori ](https://profiles.wordpress.org/katsushi-kawamori/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/bulk-generate-thumbnails/)

## Donate

Would you like to support the advancement of this plugin?

 [ Donate to this plugin ](https://shop.riverforest-wp.info/donate/)