Secure P2P File Transfer (Fast & Private Direct Share)
Free, instant, and secure peer-to-peer (P2P) file transfer tool. Send photos, 4K videos, large documents, and ZIP archives directly between any browser, phone, or computer using end-to-end encrypted WebRTC DataChannels. Works both online via instant 6-digit room codes & QR codes and 100% offline over local Wi-Fi Hotspots without using any cellular internet data.
Free Secure P2P File Transfer
Transfer unlimited files directly between phones, laptops, and PCs with end-to-end DTLS encryption.
Enter the 6-digit room code displayed on the other phone or computer:
Send photos, 4K videos, documents, or apps between iPhone, Android, Windows, Mac, and Linux with zero app installs.
Send Files to Connected Peer
🟡 Connect first to sendDrop files here or click to browse
Supports Photos, 4K Videos, PDFs, ZIPs, APKs & Folders (Unlimited Size)
How to Transfer Files Without Internet (Hotspot Mode)
One of the most powerful features of ZapyNext P2P File Transfer is the ability to send large files between devices without consuming any cellular data or internet bandwidth. This is ideal for sharing 4K vacation videos from phone to laptop or sending gigabyte project archives when Wi-Fi is unavailable.
Turn on the Portable Wi-Fi Hotspot on Device A (phone). Connect Device B (laptop or tablet) to that Hotspot network.
Switch to "Offline (Hotspot / AirDrop)" mode. Click "Sender" on Device A to generate the token, and "Receiver" on Device B.
Files stream over raw local Wi-Fi speeds (typically 50–150 MB/s), bypassing the internet completely with 0 data usage.
Step-by-Step Instructions
Create Direct Connection Room
Open the P2P transfer tool to generate a secure, unique WebRTC room code and scannable QR code.
Connect Receiving Device
Scan the QR code or enter the 6-digit room code on the recipient device (phone, laptop, tablet) to establish a direct peer-to-peer data channel.
Select Files to Send
Drag and drop photos, 4K videos, heavy archives, or documents of any size into the transfer area.
Stream Directly Over WebRTC
Watch high-speed end-to-end encrypted transfer progress in real time as data streams directly device-to-device without cloud storage.
Key Features & Capabilities
- True serverless Peer-to-Peer (P2P) file transfer powered by WebRTC `RTCDataChannel` technology
- Zero file size limits: send massive 10GB–50GB+ 4K videos and database dumps without cloud storage caps
- End-to-End Encryption (E2EE) using DTLS and SRTP protocols guaranteeing complete privacy
- High-speed local network transfer: transfers within the same Wi-Fi router bypass the internet at local Gigabit speeds
- Cross-platform compatibility: send files seamlessly between iPhone (iOS), Android, Windows, macOS, and Linux
- Zero cloud file retention: files are streamed directly between device memories and never stored on intermediary servers
Frequently Asked Questions
How does WebRTC peer-to-peer file transfer work without cloud servers?
WebRTC uses lightweight signaling servers solely to exchange network connection metadata (ICE candidates and SDP session descriptions) between the two devices. Once the connection is established, the devices communicate directly through an encrypted peer-to-peer `RTCDataChannel`. The files stream straight from sender to receiver without touching a third-party server.
Is there any limit to the file size I can transfer?
No. Because files are chunked into binary ArrayBuffers and streamed directly between devices without uploading to cloud storage, there are no artificial file size limits or subscription fees.
How fast is the transfer speed on the same Wi-Fi network?
When both devices are on the same local Wi-Fi or LAN network, WebRTC establishes a direct local IP connection. Data transfers at the maximum speed of your local router (typically 30MB/s to 100MB/s+ on modern Wi-Fi 6), which is significantly faster than uploading and downloading from cloud storage.
Are my transferred files encrypted and secure?
Yes. All WebRTC data channels are mandated by internet standards to use Datagram Transport Layer Security (DTLS) and AES-128/256 bit encryption, ensuring that no one (including ISPs or network snoopers) can intercept your data.
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