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.

Robert Neu

Ozzy Rodriguez

Cipher

WP Featherlight is a WordPress lightbox plugin for adding a minimal, high-performance, responsive jQuery lightbox to your WordPress website. At its core, WP Featherlight is a WordPress plugin wrapper for the Featherlight jQuery lightbox plugin. When installed, the plugin will automatically display all standard WordPress images and galleries in a simple, minimalistic lightbox popup.
In order for WordPress images and galleries to be lightboxed, you need to select the “Media File” option when choosing where the thumbnails should link. You can also select the “Custom Link” option if you make sure to link directly to an image file. This should work for any image file, even if it’s hosted on another website.
It’s also possible to lightbox videos, iframes, and ajax content with WP Featherlight by adding data attributes to your content. For more details on custom content loading, check out the <a href="https://github.com/noelboss/featherlight/#usage" rel="nofollow ugc">featherlight documentation</a>.
There are no settings for WP Featherlight, so you should be able to install it without needing to configure anything. In the event you don’t want a lightbox on certain pages or posts, there is an option to disable it from within the post editor screen.
If you find a display problem, it may be related to your theme but please <a href="https://wordpress.org/support/plugin/wp-featherlight" rel="ugc">open an support request</a> about it so we can look into it. For more information about the Featherlight script itself, check out their <a href="http://noelboss.github.io/featherlight/" rel="nofollow ugc">GitHub plugin page</a>.
<h4>Developer Notes</h4>
While there are no options in the plugin, there are some handy filters to modify the default behavior. As of <code>0.3.0</code> all images which use the default WordPress captions will also include a caption when the image is lightboxed. To disable this behavior, filter <code>wp_featherlight_captions</code> to false.
You can also disable inclusion of the CSS and JavaScript conditionally using filters which can be found in the <code>/includes/class-scripts.php</code> file. If you have questions about how any part of the plugin works, please don’t hesitate to <a href="https://github.com/cipherdevgroup/wp-featherlight/issues" rel="nofollow ugc">open an issue on GitHub</a>.
<h4>Contributing</h4>
If you’d like to submit code patches or contribute in any other way, please <a href="https://github.com/cipherdevgroup/wp-featherlight" rel="nofollow ugc">fork the plugin on GitHub</a>.

WP Featherlight – A Simple jQuery Lightbox

Needed a lightbox for a project. Installed an other one first which had tons of (for me unnecessary) features and slowed down the page. Downloaded some more of the usual suspects from the repo and just compared them by size. Instead of almost 4 MB (the a.m. one) I came down to less than 200 kB. And it just does what it's supposed to do. Nothing more, nothing less. And the page flies … !

If you care for pagespeed … this is for you!

just been trying 5/6 different lightbox plugins, all of which failed to work and had 100's of options.

tried this one after looking at featherlight Jquery and integrating it directly, this cropped up and I can happily report "it just works"

Thank you 



First lightbox plugin to work out of the box

Sure, it's not full of options, but it does it job and does it well, no bloat. When I need it, it just works.

Thanks for sharing it and the continuous update.

Simple and light

I love minimalism, saving resources and increasing speed, so this is for sure my choice (even though I expect that a recent review was right that the closing could be better on mobiles).

But I needed to extend the captions on pictures to include a copyright notice in the lightbox view (which would have been too much in page view). So I looked at the code and found that the WordPress media library is not queried at all, so no way will we get the media library description for an image.

This is how to get out of that problem with some manual coding on pages: JS finds all images on the page, and gets their captions e.g. target.parent().find( '.wp-caption-text' )

So if the caption contains a this can be used together with the class „featherlight“ of the outer lightbox <div> to add an extended description hidden on the page via CSS but shown in the lightbox.

Thanks to all the contributors and PLEASE keep this great plugin alive!

Super light, no bloat, tip to extend caption in lightbox

An ultra lightweight jQuery lightbox for WordPress images and galleries.

isShrinker vs WP Featherlight – A Simple jQuery Lightbox