Filestack

Provides a file infrastructure API and UI components that handle upload, transformation, storage, and delivery of files, replacing custom upload services, processing workers, and CDN configuration. Serves developers and engineering and product teams building web and mobile applications at startups to enterprises that need to ingest and serve user files. Delivered as a SaaS platform with SDKs and APIs, a drop-in picker with 20+ sources, URL-based transformations, and global CDN delivery via a Content Ingestion Network.

Key features

• Drop-in file picker with 20+ sources
• Drag and drop upload interface
• Resumable uploads with mobile resilience
• Content Ingestion Network for uploads
• Async storage routing to S3/GCS/Azure
• In-browser image editor with crop/rotate/filters
• URL-based image transformations
• Image resizing with smart cropping
• Smart crop with face/object detection
• Filters and effects for images
• Watermark and overlay support
• Document processing and PDF conversion
• Audio and video conversion
• Chainable transformation URL parameters
• Global CDN delivery with caching
• Signed URLs and access policies
• SDKs for JavaScript React Angular Python Java PHP