Filestack
The File Upload API for Developers.
Integrated Cloud Sources
20+
API Calls per Month
Billions
Free Tier Uploads
500
About Filestack
Filestack offers a comprehensive suite of tools for file handling within applications. Its core feature is the File Picker, a customizable widget that allows end-users to upload files from over 20 integrated sources, including Instagram, Google Drive, and Dropbox. Beyond uploads, Filestack provides robust APIs for file processing and transformations, such as image resizing, cropping, watermarking, and document conversions. All content is delivered through a high-speed Content Delivery Network (CDN) to ensure fast and reliable access for users worldwide. It's designed for developers looking to implement rich file and content management features without building the infrastructure from scratch.
Core Features
File Picker
A customizable UI widget for file uploads from multiple sources.
File Processing
On-the-fly image and document transformations, including resizing, filters, and conversions.
Content Delivery Network (Cdn)
High-speed, reliable global content delivery.
Cloud Storage
Integrates with Amazon S3, Google Cloud Storage, Azure Blob Storage, and more.
Developer Experience
Sdks
JavaScript, iOS, Android, and several server-side languages.
Authentication
Uses API Keys for authentication and Security Policies for fine-grained control.
Free Tier
Offers a free tier for development and low-usage applications.