FileStack

Filestack provides a comprehensive API for file uploading, transformation, and delivery designed to streamline the file management process for developers.

Free + paidWebAPIKorean

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Overview

Filestack provides a comprehensive API for file uploading, transformation, and delivery designed to streamline the file management process for developers. It features a robust File Picker UI integrated with over 20 sources and a Content Ingestion Network (CIN) that ensures uploads are 100 times more reliable. The platform supports powerful image transformations, document conversions, and offers SDKs for various programming languages including JavaScript, Python, and Ruby. Targeted at developers and software teams, Filestack simplifies the integration of complex file handling into applications. Pricing for the service begins at $379 per month.

Key features

File Picker integration with 20+ sources
Image transformation and document conversion
Content Ingestion Network for reliable uploads
SDKs for JavaScript, Ruby, PHP, and Python

Pros & cons

Collected from user feedback found in web search

Pros

99.999% upload success rate with intelligent ingestion
Seamless integration across 20+ sources (Dropbox, Google Drive, Instagram, etc.)
Transform, convert, optimize images and videos instantly
Built-in security features and domain whitelisting

Cons

Expensive pricing for high-volume users
No dashboard for file conversion tracking
Complex file deletion process
Removed free tier causing user migration

Pricing

Free + paidStarting price: US$69/mo

View pricing page

Verified on: 8/19/2026 · Recheck pricing on the official page

Use cases

Integrating file uploads into web and mobile apps
Real-time image transformation and optimization
Secure file ingestion and delivery via CDN

Who it is for

Developerssoftware teams

Integrations

Amazon S3Google Cloud StorageMicrosoft AzureDropboxBoxGitHubZendeskWordPress

How we verified this

Company, pricing, and feature details come from the primary sources below and our latest verification pass. When sources disagree, the official source and the most recent check win.

Last verified 08/02/2026Verified sources: 2