Filestack
Developer-focused API for uploading, transforming, and delivering files from 20+ sources into web and mobile apps.
| What is it | Developer-focused API for uploading, transforming, and delivering files from 20+ sources into web and mobile apps. |
|---|---|
| Pricing | Paid — from $199/mo |
| Free tier | No |
| Platform | API |
| API | Yes |
| Works with | Make, Zapier |
| Best for | adding file upload functionality to web applications, processing user-generated images for responsive delivery |
| Domain registered | 2001 |
Data updated Aug. 1, 2026
What does Filestack do?
Filestack is a comprehensive file handling API service designed for developers who need to manage user-generated content in their applications. It provides a unified system for uploading files from multiple sources including local devices, URLs, and cloud services like Google Drive and Instagram, then processing and delivering them efficiently.
The service stands out with its robust Content Ingestion Network that makes mobile uploads 100 times more reliable than traditional methods. Developers can integrate using SDKs for JavaScript, Ruby, PHP, and Python, and can transform images, videos, and documents through simple URL parameters that resize, convert formats, or apply filters before content reaches their servers.
Development teams building web and mobile applications benefit most from Filestack, particularly those working on projects that require user file uploads, content processing, or media delivery. It's especially valuable for applications where reliable file handling and transformation are crucial but developers don't want to build this infrastructure from scratch.
Key features
What makes it stand outWho is Filestack for?
Who benefits most from this toolPricing
Scale
- 125,000 uploads
- 350 storage GB
- 400 bandwidth GB
- 300,000 transformations
- 5 max file size GB
- 400GB Bandwidth
- 125,000 Uploads
- 300,000 Transformations
- 350GB Filestack Storage
- 10+ Team members
- 5GB Max File Size
- Integrated CDN
- Image transformations and document conversions
- Workflows
- Custom Picker Design
- Upload to Azure
- Upload to Dropbox
- Upload to Google Cloud Storage
- Upload to Rackspace
- Upload to Amazon S3
- Dropbox as Upload Source
- Webhooks
- Transformations UI + Drag & Drop Pane
- Video Conversions
- Document Viewer and Slider
- Custom Auth
- Parent
- Storage Aliases
- Virus Detection
- Whitelabel Solutions
Grow
- 50,000 uploads
- 150 storage GB
- 200 bandwidth GB
- 150,000 transformations
- 2 max file size GB
- 200GB Bandwidth
- 50,000 Uploads
- 150,000 Transformations
- 150GB Filestack Storage
- Up to 10 Team members
- 2GB Max File Size
- Integrated CDN
- Image transformations and document conversions
- Workflows
- Custom Picker Design
- Upload to Azure
- Upload to Dropbox
- Upload to Google Cloud Storage
- Upload to Rackspace
- Upload to Amazon S3
- Dropbox as Upload Source
- Webhooks
- Transformations UI + Drag & Drop Pane
- Video Conversions
- Document Viewer and Slider
- Custom Auth
- Parent
- Storage Aliases
- Virus Detection
- Whitelabel Solutions
Trust & presence
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