ZeroDrop

Decentralized file sharing powered by 0G Storage.

Share files with anyone using a simple link. Files are stored on 0G decentralized storage, ensuring permanence, censorship resistance, and data integrity.

Like WeTransfer, but on-chain.

Features

• Drag & drop upload - Clean, modern UI for uploading files
• Shareable links - Short URLs for easy sharing
• Password protection - Optional password for private drops
• Download limits - Set maximum number of downloads
• Auto-expiry - Files expire after configurable time (24h, 7d, 30d)
• Decentralized storage - Files stored on 0G Storage network
• No signup required - Upload and share instantly

Demo

Upload: https://zerodrop.dev Download: https://zerodrop.dev/d/abc123

Quick Start

Prerequisites

• Bun v1.0+
• 0G wallet with testnet tokens

Setup

git clone https://github.com/alexandre-mrt/zerodrop.git
cd zerodrop
cp .env.example .env
# Edit .env with your 0G private key
bun install
mkdir -p data
bun run dev

Open http://localhost:3000 and start sharing files!

API

Upload

curl -X POST http://localhost:3000/api/upload \
  -F "file=@./document.pdf" \
  -F "password=secret123" \
  -F "expiryHours=168" \
  -F "maxDownloads=10"

Response:

{
  "success": true,
  "drop": {
    "id": "abc123xyz",
    "url": "http://localhost:3000/d/abc123xyz",
    "fileName": "document.pdf",
    "fileSize": 1234567,
    "expiresAt": "2026-03-31T00:00:00.000Z",
    "hasPassword": true,
    "maxDownloads": 10
  }
}

Download

# Without password
curl http://localhost:3000/api/abc123xyz/download -o file.pdf

# With password
curl "http://localhost:3000/api/abc123xyz/download?password=secret123" -o file.pdf

Get Info

curl http://localhost:3000/api/abc123xyz/info

Architecture

Client (browser)
  |
  v
Hono Server (Bun)
  |-- Upload --> 0G Storage (decentralized)
  |-- Metadata --> SQLite (local)
  |-- Download --> 0G Storage --> Client

Why server-rendered HTML? No build step, instant load times, SEO-friendly, works without JavaScript for basic functionality. The upload form uses vanilla JS for drag-and-drop and progress feedback.

Revenue Model

• Free tier: 100 MB per file, 7-day expiry
• Pro ($5/mo): 1 GB per file, 30-day expiry, custom URLs
• Business ($19/mo): 5 GB per file, 90-day expiry, analytics, branding

0G Network

• Testnet (Galileo): https://evmrpc-testnet.0g.ai | Chain ID 16602
• Mainnet (Aristotle): https://evmrpc.0g.ai | Chain ID 16661

License

MIT