zlabs

Picgrab is a plugin that download, resize and crop an image on the fly. 
Simply add the “resize” attribute in the img tag you want to grab & resize on your post.
E.g. 
<img src=”http://farm4.static.flickr.com/3532/3243887563_700849f242.jpg” resize=”402×200c;66y” /> 
Once activated, the plugin replaces the attribute “src” on img tags containing the “resize” attribute with something like:
http://yoursite/wp-content/plugins/picgrab/resize.php?url=<coded characters>&size=<coded characters> 
and removes the “resize” attribute.
The resize.php script included with plugin does the work to grab, crop and resize the image. 
It also manages the cache. 
The resize attribute format is:
[(x0,y0,xs,ys)]<xd>x|x<yd>|<xd>x<yd>[c[<crop>]][;<cachetime>]
e.g. 100x, x200, 100×50, 100×200c50, 100×200c
Refer to <a href="http://fabrizio.zellini.org/resize-e-crop-immagini-in-php" title="Crop / Resize script" rel="nofollow ugc">This post</a> for more informations on resizer syntax.
PicGrab require Php version >=8, gd and curl libraries.

Picture grabber, resizer and cropper

Picgrab is a plugin that download, resize and crop an image on the fly. It also stores resized and cropped images in local cache.

giuliopanda

Bulk images allows you to optimize images uploaded to wordpress without creating unnecessary copies of the upload folder!
Warning: the plugin overwrites images. 
Later the plugin tries to update links to images in articles and metadata, but it may happen that these need to be recreated. Other plugins that optimize images generally duplicate all images and create complex overlays to manage their systems. This plugin is designed to keep sites with the original wordpress structure, but it may require a little more work later. But I believe this work is rewarded by better final quality. 
If anything goes wrong anyway you can go back with the restore button.
<ul>
<li>You can resize all images with just one click.</li>
<li>You can convert images to webp.</li>
<li>You can optimize images by choosing quality.</li>
<li>You can change the name of the images</li>
<li>It is optimized to speed up the bulk process. 1000 images take a few minutes on a normal server.</li>
<li>You can enable the option to optimize images when uploaded to the server.</li>
<li>Allows you to decide the maximum size of the images and the quality in which they should be compressed.</li>
<li>Adds to media-library (list version) the possibility to select the images to be optimized.</li>
<li>Through graphics it allows you to monitor the status of the images on the server.</li>
<li>Ability to use specific hooks to customize optimization options.</li>
<li>You can restore and go back to the original images.</li>
<li>
You can remove the original images if you have space problems.
The GitHub repo can be found at <a href="https://github.com/giuliopanda/op-bulk-image-resizer" rel="nofollow ugc">https://github.com/giuliopanda/op-bulk-image-resizer</a>. Please use the Support tab for potential bugs, issues, or enhancement ideas.
</li>
</ul>
<h3>Credits</h3>
The Bulk image resize was started in 2021 by <a href="giuliopanda@gmail.com" rel="nofollow ugc">Giulio Pandolfelli</a>

Bulk images optimizer: Resize, optimize, convert to webp, rename …

One of the few plugins that overwrites images while keeping your website clean

Picture grabber, resizer and cropper vs Bulk images optimizer: Resize, optimize, convert to webp, rename …