Image Blur Wordpress Plugin - Rating, Reviews, Demo & Download

Image Blur Wordpress Plugin - Rating, Reviews, Demo & Download
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Plugin Description

Generates base64 encoded, downscaled and blurred versions of media library’s images, which can be used f.e. as a placeholder.


After Wolt showcased their Blurhash technique, I wanted to make something similar to WordPress. Instead of encoding images to base83 like the food delivery company does, I went with base64 so development experience was easier.

How to start using the plugin

  • Install and activate this plugin in your environment
    • The plugin should generate blurs for each image on the activation.
  • Check an image’s details in your media library. It should have listing of all generated blurs.
  • To get a blur to a template, use get_post_meta(). Check example theme in plugin’s repository


The plugin provides few filters, so developers can modify generated blur images to their needs. By default, generated images are 8 pixels wide and passed once through gaussian blur function, which will result in roughly 250-1000 characters long string. To change these, use following hooks:

function modify_image_blur_width( int $width ): int {
  return 15;
add_filter("image-blur-modify-width", "modify_image_blur_width");

function modify_gaussian_blur_strength( int $strength ): int {
  return 10;
add_filter("image-blur-modify-gaussian-blur-strength", "modify_gaussian_blur_strength");


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