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ErikrafT Drop Overview

ErikrafT Drop is a progressive web application that enables secure peer-to-peer file sharing directly between web browsers without requiring intermediate servers. Built on WebRTC technology, it provides encrypted, real-time file transfers with automatic device discovery on local networks.

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Key Features

  • Direct P2P Transfers: Files are transferred directly between devices using WebRTC DataChannels
  • Local Network Discovery: Automatic detection of devices on the same network
  • Device Pairing: Persistent device connections using encrypted room secrets
  • QR Code Pairing: Quick device pairing using QR codes and 6-digit keys
  • Cross-Platform: Works on all modern browsers with WebRTC support
  • Progressive Web App: Installable as a native application
  • No File Size Limits: Limited only by browser memory and network constraints
  • Real-time Chat: Built-in messaging functionality
  • WebSocket Fallback: Alternative transfer method when WebRTC is unavailable

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Technology Stack

  • Frontend: Vanilla JavaScript with WebRTC API
  • Backend: Node.js with Express and WebSocket (ws) server
  • Storage: IndexedDB for persistent device pairing data
  • Protocol: WebRTC for P2P, WebSocket for signaling
  • Security: DTLS/SRTP encryption provided by WebRTC

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Use Cases

  • Local File Sharing: Quickly share files between devices on the same network
  • Cross-Platform Transfer: Share between iOS, Android, Windows, macOS, and Linux
  • No Internet Required: Works entirely on local networks
  • Temporary Sharing: No account registration or setup required
  • Secure Transfers: End-to-end encryption via WebRTC

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Browser Support

ErikrafT Drop requires modern browsers with WebRTC support:
  • Chrome 23+
  • Firefox 22+
  • Safari 11+
  • Edge 79+
The application automatically detects WebRTC capabilities and falls back to WebSocket-based transfers when necessary.