Images to WebP

Changelog

5.0

  • now images are optimized in the background instead of during upload which was slowing down the workflow
  • fix many small things based on the current Plugin Check results

4.9.1

  • optimize old images convert process
  • remove not working itw_extensions filter

4.9

  • info banner about new free Images to AVIF plugin
  • prioritize GD library
  • readme small changes

4.8

  • Tested on WP 6.9

4.7

  • Tested on WP 6.5

4.6

  • Fix for “Find and convert MISSING images” button

4.5

  • Tested on WP 6.4
  • added FAQ section “Delete all generated WebP images”

4.4

  • Tested on WP 6.3
  • added FAQ section “NGiNX and Apache together”
  • make configs error messages more descriptive

4.3

  • Tested on WP 6.2
  • new filter itw_abspath for WP installations with customized folder structure like Bedrock

4.2

  • make convert old works also for local installations

4.1

  • fix – convert also all subdirectories

4.0

  • lazy load folders in convert tab
  • make it works for local installations like XAMPP or Flywheel Local
  • try-catch conversion errors
  • updated jstree library

3.1

  • add ?no_webp=1 to URL to receive original image content from Nginx server

3.0

  • Tested on WP 6.1
  • added support for Better image sizes plugin
  • add ?no_webp=1 to URL to receive original image content – works only on Apache and only with direct image URL

2.0

  • Tested on WP 6.0
  • convert and serve WebP images anywhere – not only in wp-content folder
  • option to delete original images after conversion

1.9.1

  • Tested on WP 5.9

1.9

  • Tested on WP 5.8
  • added some nonce checks and more security validations
  • better nginx instructions

1.8

  • Tested on WP 5.7
  • add more CURL options
  • fix backslashes for localhosts

1.7

  • Tested on WP 5.6
  • fixed problem on some multisites

1.6

  • Tested on WP 5.4
  • added support for Fly Dynamic Image Resizer plugin

1.5

  • notice when test image is not accessible

1.4

  • new test method

1.3

  • fixed text domain for translations

1.2

  • added instructions for NGiNX

1.1

  • make it works in multisite and subdirectory installs

1.0

  • First version

Plugin Website
Visit website

Author
kubiq
Version:
5.0
Last Updated
March 16, 2026
Active Installs
9000
Requires
WordPress 5.0
Tested Up To
WordPress 6.9.4
Requires PHP
7.0

Share Post

Join our newsletter.

Get insights into what’s happening at ChangelogWP right in your inbox. We don’t believe in spam.