File Transfer

Overview

File Transfer is a peer-to-peer file sharing tool based on WebRTC technology, allowing you to quickly and securely transfer files between devices on the same network without login or registration.

Key Features

• Zero Configuration: Just open the webpage to use, no software installation required
• Cross-Platform: Supports Windows, macOS, Linux, iOS, Android and all platforms
• Peer-to-Peer: Files are transferred directly between devices, not through servers
• High Speed: LAN transfer speed depends on network bandwidth, usually over 100MB/s
• Secure Encryption: Uses WebRTC encrypted channels to ensure secure transmission
• Batch Transfer: Supports transferring multiple files simultaneously
• Real-time Progress: Shows transfer progress and speed

How to Use

Basic Usage

1. Open the Tool: Open this tool on all devices that need to transfer files
2. Check Network: Ensure all devices are connected to the same Wi-Fi network
3. Select Device: Choose the target device from the discovered device list
4. Send Files:

- Drag and drop files to the upload area
- Or click the upload area to select files
- Click "Send" button to start transfer

1. Receive Files: The receiver will automatically receive files and can download after completion

Advanced Features

Batch Transfer

• Select multiple files at once
• Use "Send All" button to batch send all pending files

Device Identification

• Automatically identifies device types (phone, tablet, computer)
• Customize device names for easy identification

Transfer Settings

• Auto Accept: Automatically receive all incoming files when enabled
• Notifications: Show system notifications when file transfers complete

Technical Details

WebRTC Technology

• Uses WebRTC DataChannel to establish peer-to-peer connections
• Gets public IP through STUN servers
• Supports NAT traversal

Security

• All data transmitted through encrypted channels
• No relay servers involved
• No data retained after transfer

Performance Optimization

• Chunked transfer for large files
• Adaptive transfer rate
• Memory optimization

FAQ

Why can't I find other devices?

1. Ensure all devices are connected to the same Wi-Fi network
2. Check firewall settings to ensure WebRTC connections are not blocked
3. Try refreshing the page to search again

What if transfer speed is slow?

1. Check network quality and avoid network congestion
2. Close other bandwidth-consuming applications
3. Try reducing the number of simultaneous file transfers

What's the file size limit?

• No theoretical file size limit
• Actual limit depends on device memory and browser limitations
• Recommended single file size under 2GB

Can I transfer across networks?

• Currently only supports devices on the same LAN
• Cross-network transfer requires additional server support

Use Cases

1. Office Collaboration: Quickly share documents and images in the office
2. Family Sharing: Share photos and videos among family members
3. Temporary Transfer: Quick file distribution at meetings and events
4. Cross-Device Sync: Transfer files between your own devices

Important Notes

• Use only in trusted network environments
• Be aware of surroundings when transferring sensitive files
• Keep devices charged during large file transfers
• Don't close the browser tab during transfer