JPEG-Optimizer is a free online tool for resizing and compressing your digital photos and images for displaying on the web in forums or blogs, or for sending by email. Completely Free. No software to download.
Tool Description as in http://jpeg-optimizer.com/
Image Credit: http://jpeg-optimizer.com/
This online image optimizer uses a smart combination of the best optimization and lossy compression algorithms to shrink JPEG and PNG images to the minimum possible size while keeping the required level of quality. Upload up to 20 images. Wait for the compression to finish. Click thumbnails in the queue for quality setting. Use the slider to control the compression level and mouse/gestures to compare images.
Tool Description as in http://optimizilla.com/
Image Credit: http://optimizilla.com/
We keep backups of the original images and PDFs for one month. The history view from your account keeps the original and optimized version of your files. A one click restore tool is available on your website with our CMS image & pdf reducer plugins.
Tool Description as in https://www.imagerecycle.com/
Image Credit: https://www.imagerecycle.com/
Kraken.io is a robust, ultra-fast image optimizer and compressor with best-in-class algorithms. We’ll save you bandwidth and storage space and will dramatically improve your website’s load times. Optimize and resize images from within your applications using our fully-featured and easy-to-use API. Are you a WordPress or Magento user? Get our official plugins and and speed up your websites now.
Tool Description as in https://kraken.io/
Image Credit: https://kraken.io/
Compress now is simple and convenient image compression tool. You can simply upload your JPEG, PNG and Gif images from the computer, set a compression percentage for the image and download it to use on your site. It allows compressing all type of image file format.
Tool Description as in https://www.whizsky.com/2017/12/top-10-best-free-online-image-compression-optimizer-tools/
Image Credit: https://compressnow.com/
Trimage is a cross-platform GUI and command-line interface to optimize image files for websites, using optipng, pngcrush, advpng and jpegoptim, depending on the filetype (currently, PNG and JPG files are supported). It was inspired by imageoptim. All image files are losslessy compressed on the highest available compression levels, and EXIF and other metadata is removed. Trimage gives you various input functions to fit your own workflow: A regular file dialog, dragging and dropping and various command line options.
Tool Description as in https://trimage.org/
Image Credit: https://trimage.org/
Online Image Optimizer
Using this free online service, you can resize, compress and optimize your image files. Using the service is as easy as clicking of button. Optimized images are better. They are more suitable for web pages, email attachments, or even storage on your disk.
Tool Description as in http://www.imageoptimizer.net/Pages/Home.aspx
Image Credit: http://www.imageoptimizer.net/Pages/Home.aspx
Source:Kraken Image Optimizer