The classic file store. S3 stands for Simple Storage Service. Files are stored in "buckets" and you can configure permissions and policies for access and behavior.
Azure Blob storage is Microsoft's object storage solution for the cloud. Blob storage is optimized for storing massive amounts of unstructured data.
Cloudinary does fancy image/video stuff like manipulation and optimization, but will also directly host for you, making it a good fit for serverless projects.
Cloud Storage is built for app developers who need to store and serve user-generated content, such as photos or videos.
Integrates multiple file storage solutions with one API.
Full featured file uploader and file storage.
imgix connects to where your images are stored (e.g. S3, GCS) and transforms, optimizes, and intelligently delivers your images using simple and robust URL parameters.