Kraken

Kraken.io is an image optimization and compression SaaS platform with picture manipulation capabilities such as image resizing, converting etc.

The key features are:

  • Reduces the weight of the images without compromising the quality.
  • Speeds up apps and websites.
  • Developer-friendly API that integrates easily with all programming languages and software.
  • Sends optimized images directly to external cloud storage like S3, Azure, Cloud Files, and SoftLayer.

Alternatives to Kraken

Optimus

Optimus is a simple cloud-based image optimization service that allows conversion and compression of images.  You can reduce image size by up to 70%.

Highlights

  • WordPress multisite and WooCommerce supported
  • Convert to WebP format
  • Bulk optimization

Go ahead and give a try to optimize your image to reduce the overall page size.

EWWW Image Optimizer

EWWW Image Optimizer is a popular image compression plugin with over 600,00 active installed.

The good thing about EWWW is that there is no limit on the file size like some of the other plugins. It supports bulk optimization as well.

Smush

Smush is an open source WordPress image optimization plug-in. Smush is an excellent automated tool that integrates at the core of media upload.

One can compress the image size on upload automatically.

Highlights

  • Optimize images using advanced lossless compression techniques.
  • Asynchronously auto-smush attachments for super fast compression on upload.
  • Manually smush attachments individually in the media library or in bulk attachments at a time.
  • View advanced compression stats per-attachment and library totals.
  • Smush images with no slowdown using WPMU DEV’s fast, reliable Smush API.

TinyPNG

TinyPNG helps you to compress JPEG and PNG files.

Highlights

  • Bulk optimization
  • Resizing large images by setting a maximum width and/or height
  • Preserving copyright metadata, creation date and GPS location in the original images
  • WP Retina 2x and WP Offload S3 compatible.
  • Automatic optimization for every image you upload

In the FREE plan, TinyPNG can help you to optimize ~100 images per month.

ShortPixel

ShortPixel is an easy-to-use image compression plugin. ShortPixel works on credits that allow you to compress images. It is popular for being lightweight and causing a lesser impact on the server during bulk processing.

Some of its major features are:

  • Allows compression of JPG, PNG, GIF (still or animated) images and PDF documents.
  • Permits to optimize thumbnails as well as featured images with the option to select individual thumbnails to exclude from optimization.
  • Allows optimization of any image on site including images in NextGEN Gallery and any other image galleries or sliders.

Imagify

Imagify is an open source WordPress plugin to optimize the images. Installed with over 100,00 and regularly gets updated to support modern optimization technology.

Imagify is compatible with WooCommerce and NextGen gallery.

There are three levels of a compression algorithm.

  • Normal – Lossless
  • Aggressive – Lossy
  • Ultra – Strongest using lossy

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