Plus WebP or AVIF

Changelog

[5.11] 2026/01/01

  • Fix – Issue where metadata containing the original filename remains after skipping duplicate filenames.

[5.10] 2025/06/19

  • Change – WP-CLI argument specification changes.

[5.04] 2025/04/02

  • Fix – Rebuilt javascript.

[5.03] 2024/11/14

  • Fix – Rebuilt javascript.

[5.02] 2024/11/14

  • Fix – Rebuilt javascript.

[5.01] 2024/11/12

  • Fix – Rebuilt javascript.
  • Change – Changed the required version of WordPress.

[5.00] 2024/08/23

  • Changed – Plugin name changed from “Plus WebP” to “Plus WebP or AVIF”.
  • Added – AVIF conversion.

[4.20] 2024/08/21

  • Added – WP-CLI command arguments for settings.
  • Changed – Classified WP-CLI commands.

[4.11] 2024/08/17

  • Fixed – Transparent PNG conversion issue.
  • Added – Added whether to send email to WP-CLI command arguments.
  • Added – Added the media ID to the WP-CLI command argument.

[4.10] 2024/07/19

  • Added – ‘plus_webp_advanced_change_db’ filter for Replacement of non-content databases.
  • Removed – Blogname for mail from name.

[4.09] 2024/07/18

  • Added – WP-CLI command for warning indication at console output.
  • Tweak – Webp bulk generation by React.
  • Added – Blogname for mail from name.

[4.08] 2024/07/15

  • Fix – Support for cases where media exists in the database and does not exist as a file.
  • Thanks – Marcus Karlos.

[4.07] 2024/06/20

  • Added – WP-CLI command for webp bulk generation.

[4.06] 2024/03/05

  • Fix – Changed file operations to WP_Filesystem.

4.05

Changed json_encode to wp_json_encode.

4.04

Supported WordPress 6.4.

4.03

Fixed link to plugin page.

4.02

Fixed about sending e-mail.

4.01

Added description.
Removed unnecessary codes.

4.00

Moved the location of the Admin page to the Media Library.
The admin screen has been converted to React.
Batch generation of webp by async/await is now supported.
Fixed a problem where title name comparison failed and generated duplicate files.
Metadata generation for WordPress 6.1-alpha to match WordPress 6.2.

3.00

Supported WordPress 6.1-alpha.

2.07

Added a hook for Organize Media Folder.

2.06

Fixed with processing when media does not exist.

2.05

Supported XAMPP.

2.04

Fixed problem of metadta.

2.03

Fixed problem of metadta.

2.02

Fixed content replacement issue.

2.01

Fixes various messages and branches in ajax.

2.00

Added ajax generation for webp.

1.13

Fixed an issue with saving options.
Added options for extension.

1.12

Fixed clear cron schedules issue.
Fixed problem of threshold big image.

1.11

Fixed the problem of title acquisition in bulk generation.

1.10

Fixed background processing.

1.09

Give details when email notification.
Added the management screen notification of the end of batch generation.

1.08

Added ability to choose which file types to convert and which not.

1.07

Supported transparent gif & png.
Fixed file name issue.

1.06

Fixed content URL replacement issue.

1.05

Fixed an image replacement issue.
Conformed to the WordPress coding standard.

1.04

Conformed to the WordPress coding standard.

1.03

Added html escape on the management screen.

1.02

Fixed an issue with image conversion.
Fixed an image replacement issue.
Added the setting of quality.

1.01

Fixed problem of PNG files.
Added uninstall script.

1.00

Initial release.

Plugin Website
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Version:
5.11
Last Updated
March 29, 2026
Active Installs
5000
Requires
WordPress 6.6
Tested Up To
WordPress 7.0
Requires PHP
8.1

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