Large images slow down web pages which creates a less than optimal user experience. Optimizing images is the process of decreasing their file size, Free Image Optimizers, either a plugin or script, which in turn speeds up the load time of the page.

 

Free Image Optimizers Online

 

TinyJPG

Smart JPEG and PNG compression. More than 1 billion JPEG and PNG images optimized and still counting!

TinyJPG reduces the file size of your JPEG images. Every uploaded image is analyzed to apply the best possible JPEG encoding. Based on the content of your image an optimal strategy is chosen. The result is a quality image without wasting storage or bandwidth!

 

Compressor.io

Compress and optimize your images. Up to 90% file size reduction.

Compressor.io is a powerful online tool for reducing drastically the size of your images and photos whilst maintaining a high quality with almost no difference before and after compression.

• 4 file formats supported – JPEG – PNG – GIF – SVG
• 2 types of compression – Lossless or Lossy
• High compression – save hundreds of Kb

 

 

Image Optimizer

Free 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 a button! Optimized images are better! They are more suitable for web pages, email attachments, or even storage on your device.

You can now download Image Optimizer on your computer and resize and compress your images with a single click!

 

Image Compressor

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 settings. Use the slider to control the compression level and mouse/gestures to compare images.

 

Optimized JPG

Free Online JPEG image optimizer. The JPEG optimizer can strip unnecessary metadata and compress JPEG images to reduce file size and ensure faster website loading times or fit the size under some software limits.

Three different methods for JPG image optimization:

• lossless – only strips all metadata, thumbnails and other markers but has no visible effect on image quality;
• by size – enter the desired file size and we will try to shrink the file as close to this size as possible;
• by quality factor – enter JPEG quality factor from 1 to 100. The greater number means better quality.

 

 

JPEG-Optimizer

Resize and Compress Digital Photos and Images Online for Free. 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.

 

RIOT

RIOT – Radical Image Optimization Tool. RIOT has an easy to use interface to compare the original with the optimized image in real-time and instantly see the resulting file size. The Free image optimizer is lightweight, fast and simple to use, yet powerful for advanced users.

 

Insights Image Optimizer

Free Image optimizer online helps to auto calculating the best smallest image size belong to the highest quality. Additionally, the smaller image size will decrease the page load time and improve the Google Pagespeed Insights score of your website.

Since Google has turned down the PageSpeed Service, there is no way to download the optimized images from the Google Pagespeed Insights page. This tool followed this documentation strictly to optimize your image that can be passed image validation on PageSpeed Insight. For other purposes, you can use this tool as a png optimizer and jpg optimizer.

The output is optimized for JPEG 2000, JPEG XR format. That helps to improve your page speed also has the better score on Google Pagespeed Insights. All output images will be zipped after the uploading and processing job finished.

 

Caesium Image Compressor

Providing a simple yet effective online interface with a real-time preview and multiple image processing at the same time, everyone will be able to reach the best result.

Max 5 files at time and 10Mb each. Images won’t be stored.

 

Check out our post on Free WordPress Image Optimizers Plugins 

Check out our post on Free Shopify Image Optimizer Apps

 

 

This is a shortlist and we probably missed a few. What did we miss and which ones are your favorites? Let us know