Top 6 Image Lossless Compression Plugins for Speeding Up your WordPress Website 2016

High-resolution images that are unnecessarily large in file size can drastically slow our site down significantly, and slow sites are known to cause much higher bounce rate, as well as much lower level of satisfaction. That’s why you will need image compression solution.

Optimizing your images can save you hundreds of KB per image, which means significantly less bandwidth usage. What’s more, a good quality image can attract tons of traffic to your site, so you should always take the images seriously while writing your blog post. Images can send you traffic through the image search option in Google, all you need to do is to optimize your images with proper alt tag and title tag.

There are a number of tools and plugins available today that can help us shed off unnecessary bytes, kilobytes and in some cases megabytes from our images. We will be taking a look at in this post

ShortPixel Image Optimizer


ShortPixel Image Optimizer is a easy-to-use, lightweight plugin that optimizes images & PDFs to help make your website faster while keeping the images’ originaland  high quality. ShortPixel makes your website load faster by resizing or recalling and then compressing the images. This means it will bring about better PageSpeed Insights results, better Google PageRank and more traffic. Both lossy and lossless image compression available for all common image types like JPG, PNG and GIF, and even PDF files. The plugin is WooCommerce compatible so that the pictures of your product will be delivered at the most realistic level.

Kraken Image Optimizer


Kraken Image Optimizer allows you to optimize your WordPress images through the Kraken API, the world’s most advanced image optimization and resizing API. Both lossless and intelligent lossy optimization modes are supported so you can choose either option. Even when using’s lossy optimization, the system still works hard to ensure that the results are of high quality, every time. Supported filetypes are JPEG, PNG and GIF with animated frames. The maximum filesize limit is 32 MB which is quite large so you don’t have to worry about reducing the filesize.

WP Smush


WP Smush developed by WPMU DEV helps you reduce image file sizes, hence improve performance and boost your SEO. You can set a max width and height and large images will scale down as they are being compressed. The principle behind it is to strip hidden bulky information from your images and cuts all the unnecessary data without slowing down your site. Eventually, it reduces file size without losing quality.

EWWW Image Optimizer


EWWW Image Optimizer is a compression plugin that reduces image sizes in WordPress including NextGEN, GRAND FlAGallery, FooGallery and more using lossless/lossy methods and image format conversion. It can optimize the images that you have already uploaded, convert your images automatically to the file format that will produce the smallest image size, and optionally apply lossy compression to achieve huge savings for PNG and JPG images. The image compression will also faster the backup process. Smaller image sizes also means faster backups.



Optimus reduces the file size of uploaded media files. Depending on the image and format, reductions in size of up to 70% are possible while the quality of the images is maintained. The optimization of images, including image thumbnails, is conducted in the background and outside of the view of the user. You can choose to make Optimus keep all author, EXIF and copyright information contained within the photos — the compressional gains will be correspondingly lower.

Compress JPEG & PNG images


This plugin automatically optimizes all your images by integrating with the popular image compression services TinyJPG and TinyPNG. On average JPEG images are compressed by 40-60% and PNG images by 50-80% without visible loss in quality.

I'm a WordPress developer and product designer living in Ukraine. First study to code and design 5 years ago. Love programming front end and learn new technology.

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