You can try looking at this plugin WordPress ImageMagick Engine Replaces wordpress image resizing from GD to ImageMagick. You need a compatible host to use it though
Unsetting sizes can normally be done easily via intermediate_image_sizes_advanced hook. The only problem is, there is only the $sizes array available, so this sufficient for a general level, but not if you want to do this conditionally. The information needed to do it conditionally can be gathered with debug_backtrace – debug_backtrace is performance-wise somewhat expensive … Read more
WordPress by default is designed to generate 3 types of cropping of any uploaded images (Media): Thumbnail (typically 150px × 150px) Medium (typically 300px × 300px) Large (typically 1024px × 1024px) It’s to ensure site speed with different sizes where necessary. So, with uploading the Original image there would be at least 4 files- The … Read more
A majority of the answers covered how to stop creating future default image sizes but this doesnt account for creating any custom sizes in your theme but here is another solution to add to functions.php: function wpse_240765_unset_images( $sizes ){ unset( $sizes[ ‘thumbnail’ ]); unset( $sizes[ ‘medium’ ]); unset( $sizes[ ‘medium_large’ ] ); unset( $sizes[ ‘large’ … Read more
Don, You will have to add support for thumbnails in your functions.php/plugin-file.php //Add Support for Thumbs if ( function_exists( ‘add_theme_support’ ) ) { add_theme_support( ‘post-thumbnails’ ); set_post_thumbnail_size( 960, 276, true ); // default Post Thumbnail dimensions } //Add Thumbnail sizes if ( function_exists( ‘add_image_size’ ) ) { add_image_size( ‘large-thumb’, 960, 276, true ); //960 pixels … Read more
This isn’t a really good solution since it’s a newer CSS solution and it’s only working in 78.9% of users browsers, but there are a few polyfills that can overcome that object-fit-images and fitie img { display: block; overflow: hidden; width: 400px; height: 400px; -o-object-fit: cover; object-fit: cover; } Ideally it would be better if … Read more