eaxjp

Image will be shrink in the case of automatic JPEG and PNG format to upload the image. 
There are the following features in isShrinker WordPress Plugin.
Can specify the maximum file size. 
Keep aspect ratio. 
Convert image inclination from inclination information of image
If you upload, such as iPhone app slope of image because reduced after correction 
it appears in the blog exactly as it appears in the iPhone.
The maximum file size of the image is 50KB by default 
Length of the long side of the image is 640px by default 
And it is with, but you can change from the management screen of WordPress.
Upload png image ‘watermark.png’ to plugin directory and then watermark will be enable. 
Watermark add on right bottom of image. 
If watermark enabled water mark transparency setting is enable.
<h3>Arbitrary section 1</h3>

isShrinker

When uploading, it will shrink the image automatically. The feature is  keeping the aspect ratio and  maximum file size can be specified.

fifu.app

<h3>WordPress plugin for remote featured images, videos, audios and more</h3>
FIFU plugin has helped thousands of websites worldwide save money on storage, processing, and copyright since 2015.
If you are tired of wasting time and resources with thumbnail regeneration, image optimization, and never-ending imports, this plugin is for you.
<h4>Featured image</h4>
Use a remote image as featured image of your post, page or custom post type.
<ul>
<li>Remote featured image</li>
<li>Optimized images</li>
<li>Make all images square</li>
<li>Image search (Unsplash)</li>
<li>Default featured image</li>
<li>Hide featured media</li>
<li>Modify post content</li>
<li>Auto set image title</li>
<li>Column for featured image</li>
<li>[PRO] Image search (search engine)</li>
<li>[PRO] Disable right-click</li>
<li>[PRO] Save in the media library</li>
<li>[PRO] Replace not found image</li>
<li>[PRO] Custom popup</li>
<li>[PRO] bbPress and BuddyBoss Platform integration</li>
<li>[PRO] Page redirection</li>
</ul>
<h4>Automatic featured media</h4>
<ul>
<li>Auto set featured media from post content</li>
<li>[PRO] Auto set featured image using post title and a search engine</li>
<li>[PRO] Auto set featured media using web page address</li>
<li>[PRO] Auto set product images from ASIN</li>
<li>[PRO] Auto set featured media from custom field</li>
<li>[PRO] Auto set featured image using ISBN</li>
<li>[PRO] Auto set screenshot as featured image</li>
<li>[PRO] Auto set featured image from Unsplash using tags</li>
<li>[PRO] Auto-share on social media</li>
</ul>
<h4>Automation</h4>
<ul>
<li>WP-CLI integration</li>
<li>[PRO] Add-on for WP All Import</li>
<li>[PRO] WooCommerce import</li>
<li>[PRO] WP REST API</li>
<li>[PRO] WooCommerce REST API</li>
<li>[PRO] Schedule metadata generation</li>
</ul>
<h4>WooCommerce</h4>
<ul>
<li>Remote product image</li>
<li>Lightbox and zoom</li>
<li>[PRO] Gallery for remote images</li>
<li>[PRO] Gallery for remote videos</li>
<li>[PRO] Category images auto set</li>
<li>[PRO] Variable product</li>
<li>[PRO] Variation image</li>
<li>[PRO] Gallery for variation image</li>
<li>[PRO] Save in the media library</li>
<li>[PRO] FIFU product gallery</li>
<li>[PRO] Quick Buy</li>
<li>[PRO] Add image to order email</li>
</ul>
<h4>Featured video</h4>
Supports URLs from YouTube, Vimeo, Twitter, 9GAG, Cloudinary, Tumblr, Publitio, JW Player, VideoPress, Sprout, Odysee, Rumble, Dailymotion, Cloudflare Stream, Bunny Stream, Amazon, BitChute, Brighteon, Google Drive, Spotify and SoundCloud. External and local video files are supported as well.
<ul>
<li>[PRO] Featured video</li>
<li>[PRO] Watch later</li>
<li>[PRO] Video thumbnail</li>
<li>[PRO] Play button</li>
<li>[PRO] Minimum width</li>
<li>[PRO] Video controls</li>
<li>[PRO] Autoplay on mouseover</li>
<li>[PRO] Autoplay</li>
<li>[PRO] Playback loop</li>
<li>[PRO] Mute</li>
<li>[PRO] Privacy enhanced mode</li>
<li>[PRO] Background video</li>
</ul>
<h4>Widgets for Elementor</h4>
<ul>
<li>Featured image </li>
<li>[PRO] Featured video</li>
</ul>
<h4>Widgets for WordPress</h4>
<ul>
<li>[PRO] Featured media </li>
<li>[PRO] Featured grid</li>
<li>[PRO] Product gallery</li>
</ul>
<h4>Fields for Gravity-Forms</h4>
<ul>
<li>Featured image </li>
<li>[PRO] Featured video</li>
<li>[PRO] Featured slider</li>
</ul>
<h4>Fields for Dokan</h4>
<ul>
<li>Featured image </li>
<li>[PRO] Product gallery</li>
</ul>
<h4>Others</h4>
<ul>
<li>[PRO] Quick edit</li>
<li>[PRO] Featured audio</li>
<li>[PRO] Featured slider</li>
<li>[PRO] Shortcode</li>
<li>[PRO] Taxonomy image</li>
</ul>
<h4>Functions for developers</h4>
<ul>
<li>fifu_dev_set_image($post_id, $image_url)</li>
<li>[PRO] fifu_dev_set_video($post_id, $video_url)</li>
<li>[PRO] fifu_dev_set_slider($post_id, $url_list, $alt_list) </li>
<li>[PRO] fifu_dev_set_image_list($post_id, $image_url_list)</li>
<li>[PRO] fifu_dev_set_video_list($post_id, $video_url_list)</li>
<li>[PRO] fifu_dev_set_category_image($term_id, $image_url)</li>
<li>[PRO] fifu_dev_set_category_video($term_id, $video_url)</li>
</ul>
<h4>FIFU Cloud</h4>
<ul>
<li>Cloud storage (never lose an image again)</li>
<li>Global CDN (images loaded much faster)</li>
<li>Optimized thumbnails (processed in the cloud)</li>
<li>Usage-based billing (per stored image)</li>
<li>Smart cropping (detects people and objects before cropping)</li>
<li>Hotlink protection (sites can’t embed your images)</li>
</ul>
<h4>Links</h4>
<ul>
<li><a href="https://fifu.app/" rel="nofollow ugc">FIFU PRO</a></li>
<li><a href="https://tastewp.com/new?pre-installed-plugin-slug=featured-image-from-url&redirect=admin.php%3Fpage%3Dfeatured-image-from-url&ni=true" rel="nofollow ugc">Dummy site for testing</a></li>
<li><a href="https://chrome.google.com/webstore/detail/fifu-scraper/pccimcccbkdeeadhejdmnffmllpicola" rel="nofollow ugc">Extension for Google Chrome</a></li>
<li><a href="https://plugintests.com/plugins/wporg/featured-image-from-url/latest" rel="nofollow ugc">Smoke Test</a></li>
</ul>

Featured Image from URL (FIFU)

Use remote media as the featured image and beyond.

isShrinker vs Featured Image from URL (FIFU)