Afixia: Automatic WebP Image Conversion

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Multi-Site Licensing

To obtain a multi-site license you must negotiate a special offer with afixia, the developer of Afixia: Automatic WebP Image Conversion.

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Looking to fulfill PageSpeed Insights recommendation to use next gen image formats but Concrete CMS doesn't support them? Our add-on will automatically convert and optimize your uploaded site images.

You won't need to change what you upload, edit any images, or run any jobs. Our add-on detects if a JPG or PNG is going to be delievered to a user, and checks to see if a WebP version of that files exists and serves that file instead. If not, it will automatically create a WebP version of that file and then serve it. If no file can be found or created, the original will be served.


  • Concrete CMS version 8.3.0 and up
  • Images must be on local disk / default storage location. (This add-on will not work with remote storage locations such as Amazon S3 and Azure.)
  • php-xml extension (you probably have this)
  • PHP version 7.2.5 and up
Current Version: 2.0.2
Fully Translatable: Yes
Needs External Libraries: No
Compatible 8.3.0+
License: Standard
Support Response: Replies to tickets every business day.
Support Hosted: On
Needs extra server permissions: No
Needs Internet: No
Marketplace Tests:
Passed Automated Tests
Passed PRB Review