Drop files here

or browse files

Securely transfer files directly between devices in real-time.

Supported:Any fileUnlimited size*Browser only
Privacy First

Direct, private
file sharing.

Transfer files directly between devices. No upload, no login, and absolutely no cloud storage.

  • No Login
  • No Upload
  • Peer-to-Peer
  • Encrypted
  • Browser Only
  • Cross Platform
“We never receive your files.”
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How It Works

Your files travel directly between browsers.No middleman, no storage, no delays.

Direct Peer-to-Peer

file.CoShareX Way
Sender
Direct Link
Receiver
Unlimited file size & direct device-to-device speed
Encrypted WebRTC data channels
No middleman: files never touch any servers

Third-Party Cloud Server

Traditional Way
Sender
Upload
Cloud
Download
Receiver
Strict file size limits (usually capped at 2GB)
Slow upload and download speed bottlenecks
Files are stored on a third-party server, risking leaks

Privacy Comparison

See how direct peer-to-peer sharing compares to traditional cloud services.

Traditional Cloud

  • Upload required
  • Stored on server
  • Account required
  • Download link

CoShare

  • Direct transfer
  • Never stored
  • No login
  • Instant connection

Built for Modern Sharing

Everything you need for fast, private file transfers — nothing you don't.

Large Files

Share files of any size without server limits. Your connection, your bandwidth.

Secure

End-to-end encrypted transfers. Data stays between peers only.

Fast

Direct device-to-device transfer eliminates upload and download bottlenecks.

QR Connection

Scan a QR code to instantly pair devices. No accounts or setup required.

Cross Platform

Works on desktop, tablet, and mobile. Any modern browser, any OS.

Open Source Ready

Built with transparency in mind. Inspect, fork, and contribute freely.

Frequently Asked Questions

Everything you need to know about private file sharing.