Let us know below in the comments if we missed any png plugins in our post.
Reduce image file sizes, improve performance and boost your SEO using the free WPMU DEV WordPress Smush API.
Compress JPEG & PNG images
Speed up your website. Optimize your JPEG and PNG images automatically with TinyPNG.
MimeTypes Link Icons
Adds icons automatically to any uploads and/or file links inserted into your blog posts.
ShortPixel Image Optimizer
Easy-to-use, lightweight plugin that optimizes images & PDFs. Make your website faster, keeping the images’ high quality. WooCommerce compatible
Add Images and Banners to your sidebars easily! Add title, link, alternative text, even set the link targets with one widget. No coding required!
Optimus - WordPress Image Optimizer
Effective image compression and optimization during the upload process. Automatic and without loss of quality.
Add custom lightbox attribute to linked flash files or images in posts, pages and comments, group images using ID.
Creative Image Slider - The Best WordPress Image Slider and Portfolio plugin
Creative Image Slider is a responsive jQuery image slider with amazing visual effects.
GroupDocs.Viewer for Cloud
Seamlessly embed and display PDF, Microsoft Word, Excel and PowerPoint documents on your WordPress website.
Easy Set Favicon
Set the fav-icon in your blog or website just by putting a link.
Add Full SVG Support
Upload SVG files to your WordPress and use them anywhere you want via shortcode. Include a fallback image and also add style-information.
Link to Your Content
Gives you the ability to easily link to the various forms of content you have.
Compress PNG for WP
Compress PNG files using the TinyPNG API.