Upload, Transform, Deliver — File Management Your Way

Powerful APIs to handle all your file needs with just a few lines of code.

Get Started

Filestack Picker Widget Placeholder

Filestack Features

Explore our comprehensive suite of file management tools designed to handle every aspect of your file workflow.

Image & Document Transformations

URL-based transformations for images and documents with 100+ supported formats

Image Resizing

Resize images to any dimension while maintaining optimal quality with smart cropping and retention of important features.

https://cdn.filestackcontent.com/resize=width:300,height:200/<HANDLE>

Learn More

Smart Crop

Automatically crop images based on content detection (faces/objects) with optional coordinates output.

https://cdn.filestackcontent.com/smart_crop=width:400,height:400,mode:face/<HANDLE>

Learn More

Filters & Effects

Apply professional-grade filters including sepia, blur, sharpen, enhance, and creative effects.

https://cdn.filestackcontent.com/filter=sepia:50/enhance=brightness:20,contrast:30/<HANDLE>

Learn More

Watermark & Overlays

Add watermark overlays on your images with customizable position, size, and opacity.

https://cdn.filestackcontent.com/watermark=position:[middle,center]/<HANDLE>

Learn More

Document Processing

Extract PDF info, merge or convert PDFs, and transform documents into images in one call.

https://cdn.filestackcontent.com/output=f:pdf/pdfinfo=colorinfo:true/<HANDLE>

Learn More

Upload Solutions

Flexible, fast, and reliable file uploading from multiple sources

Drag & Drop Interface

Intuitive drag & drop interface makes uploading files quick for your users with minimal integration effort.

client.pick({ accept: ['image/*', 'video/*'], maxFiles: 10, storeTo: { location: 's3' } }).then(result => console.log(result));

Learn More

Multi-Source Upload

Upload from 25+ sources including local files, Google Drive, Dropbox, Instagram, Facebook, and more.

const options = { fromSources: [ 'local_file_system', 'googledrive', 'dropbox', 'instagram', 'facebook' ] };

Learn More

Automated Workflows

Build powerful automation pipelines for file processing and management

Custom Workflow Processing

Run predefined workflows on your files to automate multi-step transformations and processing tasks.

https://cdn.filestackcontent.com/security=p:<POLICY>,s:<SIGNATURE>/run_workflow=id:<WORKFLOW_ID>/<FILE_HANDLE>

Learn More

Batch Processing

Process multiple files simultaneously with automated workflows for maximum efficiency.

const workflow = { tasks: [ { name: 'resize', options: { width: 800 } }, { name: 'compress', options: { quality: 85 } }, { name: 'watermark', options: { text: 'Copyright' } } ] };

Learn More

AI-Powered Intelligence

Extract insights and automate content analysis with advanced AI features

Virus Detection

Ensure your files are secure by scanning for viruses and malware through our dedicated workflow solutions.

Virus Detection – Create a workflow

Learn More

OCR (Optical Character Recognition)

Extract text from images and documents automatically using advanced OCR technology.

https://cdn.filestackcontent.com/OCR/<HANDLE>

Learn More

Object Detection

Automatically identify and label objects within images using AI-powered object detection.

https://cdn.filestackcontent.com/security=p:<POLICY>,s:<SIGNATURE>/detect_objects/<HANDLE>

Learn More

Image and Video SFW

Automatically detect and filter inappropriate content in images and videos to keep your platform safe and compliant.

// Image SFW (Processing API) https://cdn.filestackcontent.com/security=p:<POLICY>,s:<SIGNATURE>/sfw/<HANDLE> // Video SFW (Workflows only) Video SFW – Create a workflow with Intelligence task

Learn More

Image Captioning

Automatically generate descriptive captions for your images with advanced AI captioning service.

https://cdn.filestackcontent.com/security=p:<POLICY>,s:<SIGNATURE>/caption/<HANDLE>

Learn More

Copyright Detection

Automatically identify copyrighted content in your files using our robust detection service.

https://cdn.filestackcontent.com/security=p:<POLICY>,s:<SIGNATURE>/copyright/<HANDLE>

Learn More

Phishing Detection

Detect potential phishing attempts and secure your platform by utilizing specialized workflows.

Phishing Detection – Create a workflow

Learn More

Security Features

Protect your content and control access with comprehensive security options

Security Policies

Authenticate and authorize requests with flexible policy-based security to protect your files and account.

const policy = { "expiry": Math.floor(Date.now() / 1000) + 3600, "call": ["pick", "read", "store"], "handle": "YOUR_FILE_HANDLE" }; const encodedPolicy = btoa(JSON.stringify(policy)) .replace(/\+/g, '-') .replace(/\//g, '_') .replace(/=/g, '');

Learn More

Domain Whitelisting

Prevent unauthorized websites from using your API key by restricting File Picker embedding to approved domains.

// Domain patterns supported: // *.domain.* - subdomains and various TLDs // mydomain.{com,org} - multiple specific TLDs // [a-n]*domain.com - character ranges const allowedDomains = [ 'mydomain.com:8080', '*.mycompany.com', 'app.{com,org,net}' ];

Learn More

Path-Based Security

Enforce fine-grained access control by restricting file operations to specific storage paths.

const policy = { "expiry": Math.floor(Date.now() / 1000) + 3600, "call": ["pick", "store"], "path": "\/uploads\/2024\/.*" }; client.pick({ storeTo: { location: 's3', path: 'uploads/2024/' }, security: { policy: "ENCODED_POLICY", signature: "POLICY_SIGNATURE" } });

Learn More

Global Content Delivery

Deliver content quickly and reliably to users worldwide with our optimized CDN

Adaptive Delivery

Automatically optimize file delivery based on the user's device, browser, and connection speed.

https://cdn.filestackcontent.com/output=format:webp,quality:auto/<HANDLE>

Learn More

Global CDN

Deliver content from servers closest to your users with our global Content Delivery Network.

https://cdn.filestackcontent.com/cache=expiry:86400/<HANDLE>

Learn More

Smart Caching

Intelligent caching strategies ensure optimal performance and reduced bandwidth usage.

// Cache control headers Cache-Control: public, max-age=86400 ETag: "abc123def456" Last-Modified: Wed, 21 Oct 2025 07:28:00 GMT // URL-based cache control https://cdn.filestackcontent.com/cache=expiry:3600,public:true/<HANDLE>

Learn More

Developer-Friendly Integration

Get started in minutes with our comprehensive SDKs and libraries

Ready to Build?

Whether you're working with React, Angular, Python, or vanilla JavaScript, we've got you covered with comprehensive SDKs, detailed documentation, and code examples to get you started quickly.

JavaScript SDK React Components Angular Integration Python SDK Mobile SDKs

View Full Documentation Quick Start Guide