Top 7 Best JavaScript File Upload APIs for You to Explore in 2023

Filestack

A few significant components of the Filestack tool are its Processing Engine for transformations and artificial intelligence features like image tagging, phishing detection, sentiment analysis, etc.

Transloadit
Best for teams developing client-facing applications that have a greater need for image and video transformations can consider it

Uppy
offers many features, including automatic file uploading, secure storage, and cloud storage integration. With its user-friendly interface and comprehensive security options, Uppy has become famous for those looking to make their data management process smoother and more efficient.

Cloudinary
offers a Media API that can be used as a file upload API, and it supports multiple customizations and transformations on the fly for an optimized customer experience.

DropzoneJS
is an excellent open-source library that allows developers to upload files in their web applications. Its drag-and-drop feature provides a great user experience, allowing you to drag files from your desktop into the browser window.
Shubox
Best for teams that are heavily reliant on AWS infrastructure. It currently supports integration with just Amazon S3.

Uploadcare
Best for combined utility for storage, image processing, and delivering the content to the applications via CDNs.