pajko

This plugin will enable you to add any kind of slide in/out popups to your WordPress website. 
New widget, called “SlideIn Box”, is added. Each of these widgets can hold one slidein box content, whitch can be any HTML or PHP code. Inside these widgets you will have complete control over your slidein box layout. 
New widgets sidebar, called “SlideIn Boxes”, is added, where you should place all defined “SlideIn Box” widgets. After that, they will be selectable from the dropdown menu on Global SlideIn Options page, and inside page/post meta boxes.
<ul>
<li>You can control the position for each SlideIn box. </li>
<li>You can control when will these SlideIn boxes display to your visitors.</li>
<li>You can specify delay for each SlideIn box.</li>
<li>With little HTML/CSS knowleadge you can have your own styles for toggle and close buttons. </li>
<li>Page/post settings will override global settings for SlideIn boxes.</li>
</ul>

Slide In Popup

Define the bottom edge slide-in box with any HTML/PHP globally or for each WP page/post.

codesupplyco

Advanced Popups is a lightweight yet powerful WordPress popup plugin designed for maximum conversion. Create beautiful, targeted popups to grow your email list, display important announcements, show cookie notices, or promote special offers.
Key Features:
<ul>
<li>Multiple Popup Types – Choose between Content Box (perfect for opt-ins), Notification Box (ideal for announcements), or Notification Bar (great for cookie notices)</li>
<li>Strategic Placements – Position your popups where they’ll perform best – top, bottom, center, corners, or sides of the screen</li>
<li>Smart Triggers – Display popups at the perfect moment with multiple trigger options:
<ul>
<li>Time delay</li>
<li>Page viewed</li>
<li>Exit intent (catch visitors before they leave)</li>
<li>Scroll position (target engaged readers)</li>
<li>Manual launch via button click</li>
<li>Accept agreement (for compliance notices)</li>
</ul>
</li>
<li>Precise Targeting – Show popups exactly where they matter:
<ul>
<li>Specific pages, posts, or custom post types</li>
<li>Taxonomy pages (categories, tags)</li>
<li>Front page, archives, or search results</li>
<li>Based on user login status (guest vs. logged-in)</li>
</ul>
</li>
<li>Visitor-Friendly Controls – Respect your visitors with:
<ul>
<li>Frequency limits (avoid popup fatigue)</li>
<li>Mobile-specific settings</li>
<li>Multiple close options (overlay click, ESC key)</li>
</ul>
</li>
<li>Beautiful Animations – Choose from fade, slide, zoom, or combined effects for entrance and exit</li>
<li>Fully Customizable – Control width, overlay appearance, and many other visual aspects</li>
</ul>
Advanced Popups is optimized for performance, ensuring your site speed isn’t compromised while delivering high-converting popups that respect user experience.
Perfect for marketers, content creators, and site owners who want to increase engagement without annoying visitors.
See Advanced Popups in action: Check out our <a href="https://authentictheme.com/authentic/popups/" rel="nofollow ugc">live examples and demos</a> to see what you can create with this plugin.

Advanced Popups


I tried: Elegance Modal Box, WP Modal, Popup Maker and many many more. ALL of them have issues showing a simple image in full screen. 



This is the ONLY plugin which has no bloat, and is able to easily show images as full screen. 



Also a HUGE plus for not taking over the Admin Menu, it sits perfectly in setting > popup. Instead of ALL the other plugins pushing their plugin into the main menu options.



As a fellow dev, I would pay for this versions.


Tried 10 other plugins, this one is BEST!

Display high-converting newsletter popups, a cookie notice, or a notification with the light-weight yet feature-rich plugin.

Slide In Popup vs Advanced Popups