wordpress-img-management.php

<?php
function devrupash_remove_max_srcset_image_width( $max_width ) {
	return false; 
} 
add_filter( 'max_srcset_image_width', 'devrupash_remove_max_srcset_image_width' ); 

function devrupash_disable_srcset( $sources ) {
	return false; 
} 
add_filter( 'wp_calculate_image_srcset', 'devrupash_disable_srcset' );

function devrupash_remove_width_attribute( $html ) {
  $html = preg_replace( '/(width|height)="\d*"\s/', "", $html );
  return $html;
}
add_filter( 'wp_get_attachment_image', 'devrupash_remove_width_attribute', 10 );
add_filter( 'post_thumbnail_html', 'devrupash_remove_width_attribute', 10 );
add_filter( 'image_send_to_editor', 'devrupash_remove_width_attribute', 10 );

function devrupash_disable_image_compression() {
   return 100;
}
add_filter( 'wp_editor_set_quality', 'devrupash_disable_image_compression');
add_filter( 'jpeg_quality', 'devrupash_disable_image_compression' );