AirShare

Product Introduction

1. AirShare is a peer-to-peer file-sharing application designed for secure and efficient transfers across local networks and global connections. It operates without requiring user accounts, cloud storage, or centralized servers, prioritizing direct device-to-device communication. The product leverages modern protocols like QUIC for speed and Iroh for resilient global routing, ensuring privacy and performance.
2. The core value of AirShare lies in its ability to combine local network simplicity with optional global reach while maintaining end-to-end encryption and user control. It eliminates reliance on third-party cloud services, offering unlimited file sizes and cross-platform compatibility for both personal and professional use.

Main Features

1. AirShare uses the QUIC protocol with TLS 1.3 encryption to enable multiplexed, high-speed transfers that outperform traditional TCP-based solutions. This ensures end-to-end security with SHA-256 integrity checks for every file, even during large transfers.
2. The product supports automatic device discovery via mDNS, allowing seamless local network sharing without manual IP configuration. For global transfers, it employs Iroh’s overlay network with NAT traversal and relay fallbacks, accessible via shareable tickets.
3. AirShare provides cross-platform compatibility (macOS, Windows, Linux) with an intuitive drag-and-drop interface, SQLite-based transfer history tracking, and zero telemetry. Users can send files of unlimited size on local networks, with Pro licenses enabling global transfers and extended history retention.

Problems Solved

1. AirShare addresses the inefficiency and privacy risks of cloud-dependent file-sharing tools by enabling direct, encrypted peer-to-peer transfers. It removes file size restrictions and eliminates the need for intermediary servers or user accounts.
2. The product targets individuals and teams requiring secure, high-volume file sharing across local networks or remote collaborators needing reliable cross-platform transfers.
3. Typical use cases include transferring large media files (e.g., 100GB videos) within an office LAN, sharing project folders with remote team members via Iroh tickets, or instantly sending sensitive documents without cloud storage exposure.

Unique Advantages

1. Unlike services like AirDrop or WeTransfer, AirShare operates without platform restrictions, cloud dependencies, or mandatory metadata collection. Its hybrid local-global architecture allows users to choose between network isolation and global reach.
2. The integration of Iroh’s overlay network enables automatic NAT traversal and relay-based fallbacks, solving connectivity issues common in peer-to-peer tools. QUIC’s multiplexing capability ensures faster transfers compared to TCP-based alternatives.
3. Competitive advantages include unlimited local transfer sizes, a permanent-free tier for basic use, and lifetime licensing options. The SQLite-based history system provides offline-accessible audit trails, a feature absent in most competing tools.

Frequently Asked Questions (FAQ)

1. How does global sharing work without cloud servers? AirShare uses Iroh’s decentralized overlay network to route files between peers, employing NAT traversal techniques and relay nodes as fallbacks. Users generate shareable tickets containing encrypted connection details, which recipients use to establish direct or relayed transfers.
2. Are there file size limits for local transfers? The free version imposes no size restrictions on local network transfers, while global transfers require a Pro license to bypass the 200MB limit. All local transfers are unrestricted regardless of license tier.
3. Which operating systems are supported? AirShare provides native apps for macOS, Windows, and Linux, with consistent feature parity across platforms. The Iroh-powered global routing works identically on all supported systems.
4. How is privacy ensured during transfers? All transfers use TLS 1.3 encryption with forward secrecy, and no telemetry or user data is collected. Metadata for global transfers is stored only on the sender’s and recipient’s devices.
5. Can licenses be transferred between devices? Licenses are device-specific, but users can purchase multiple seats during checkout. Each license key is tied to a single device’s hardware ID to prevent unauthorized redistribution.