Hello everyone, I'm Achao! Today I'm introducing a super useful tool—File Quick TransferThis is an end-to-end WebRTC file transfer tool built using Go and React. Simply put, it's a powerful tool that lets you securely and quickly transfer files between different devices!
✨ Key Highlights
Safety First, Privacy Worry-Free
What I like most about it is itsend-to-end encryptionFeatures. All data is transmitted via WebRTC's peer-to-peer direct connection, bypassing servers entirely. This means only the sender and receiver can view your file content—the server merely facilitates the connection and never accesses your files.

Feature-rich and fully equipped
- 📁 File TransferSupports simultaneous transfer of multiple files—no more tediously transferring one file at a time.
- 📝 Text TransmissionQuickly share text content—the perfect alternative to copy and paste.
- 🖥️ Desktop SharingReal-time screen sharing makes remote assistance super simple.
- 🔗 Connection Status SynchronizationReal-time display of connection status keeps you informed of transfer progress at all times.
Cross-platform support, available anywhere
Whether you're using Windows, macOS, or Linux, it runs perfectly. And there's alsoresponsive designYou can enjoy a seamless user experience across phones, tablets, and computers.
🚀 Technical Architecture
Front-end Technology Stack
- Next.js 15 + React 18Modern front-end frameworks
- TypeScript 5Type safety makes code more reliable.
- Tailwind CSS 3.4Aesthetically pleasing and practical interface design
Backend Technology Stack
- Go 1.22High-performance backend language
- WebSocketReal-time Communication Assurance
- WebRTC DataChannelP2P Direct Connection Transfer
Transmission Protocol
adoptWebRTC Peer-to-Peer Direct ConnectionTechnology, in conjunction withICE Frameworkrespond in singingSTUN/TURNThe server implements NAT traversal to ensure stable connections can be established across various network environments.
📦 Super easy deployment
Docker One-Click Deployment (Recommended)
🎯 User Experience
In actual use, the tool's workflow is very intuitive:
- Select File → Click the upload button to select the file you want to transfer.
- Generate Pickup Code → The system automatically generates a 6-digit pickup code.
- Share Pickup Code → Provide the pickup code to the recipient.
- Receive files The recipient can download the file by entering the pickup code.
The entire process requires no account registration or login, truly achievingReady to use immediatelyThe
💡 Suitable for
I believe this tool is particularly well-suited for the following types of users:
- Office workers who frequently need to transfer filesNo longer need to rely on chat tools like WeChat or QQ to transfer files.
- Users who prioritize privacy and securityEnd-to-end encryption ensures that file contents cannot be accessed by third parties.
- Developers and technical personnelOpen-source project, deployable on your own, with full control.
- Users requiring cross-platform transferSupports various operating systems and devices
🔧 Development Advantages
As a developer, I've also noticed some excellent features of this project:
- Microservices ArchitectureFrontend and backend separation facilitates maintenance and scalability.
- Containerized DeploymentDocker support, super easy to deploy
- continuous updatingThe project is actively maintained, with ongoing feature enhancements recently.
- Complete documentationThe README is extremely detailed, making it easy to get started.
🌟 Personal Experience
After trying Achao myself for a while, I found this tool truly solved many of my pain points:
Fast transmission speedBecause it's a direct P2P connection, the speed depends on both parties' networks and is significantly faster than going through a server relay.
easy operationThe interface is designed to be clean and simple, without complex features, focusing solely on the core need of file transfer.
PrivacyWhat gives me the most peace of mind is that files aren't stored on third-party servers—they disappear once transferred.
Cross-platform and easy to useTransferring files between Windows and macOS is incredibly convenient—no more searching for cables.
📝 Summary
File Quick TransferIt is a well-designed, highly functional P2P file transfer tool. Its greatest advantage lies inSafe, fast, and simpleIt is particularly well-suited for users who value privacy yet need to frequently transfer files.
If you're tired of the limitations of various cloud storage services or don't want your files passing through third-party servers, this tool is definitely worth a try. Open-source, free, simple to deploy, and powerful—what's stopping you from giving it a shot?
bywordP2P file transfer, WebRTC, end-to-end encryption, Go language, React, cross-platform transfer, privacy and security, open-source tools
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