Thumbr.io serves the users with the images of the right size & resolution for every device. With thumbr.io the users don't need to host any images. They need to tell thumbr.io the URL of the image that they want to preview, and the size and options that they want to use, and thumbr.io will make the thumbnail on the fly for the users.
imgix is an image processing and delivery service that provides a flexible, high-performance solution to the problem of serving images on the modern internet. With imgix, users don't need to create any complex infrastructure toImage Management In The Cloud ImgIX
ImgIX provides a high degree of flexibility at the front-end of websites. It has a proper caching strategy. With its great power for image manipulation, it fetches the image from the cache and provides a fast and reliableImage Management In The Cloud ImgIX
For Images, the file size limit ranges from 10MB to 40MB across their free to advanced plans. The limit for their Enterprise plan is customizable. Here is a screenshot of their different plan limits from their websiteImage Management In The Cloud Cloudinary