just f***ing send it

Just F***ing Send It (jfsendit) is a browser to browser file transfer tool that eliminates the need for uploads, accounts, or intermediary servers. It is designed for anyone who wants to send files directly between devices with minimal friction. The core value proposition is simplicity: generate a short code, share it with your recipient, and the transfer happens peer-to-peer in real time. No sign-ups, no waiting for server processing, and no storage of your data on any cloud. This makes it especially useful for quick, one-off transfers where speed and privacy are paramount. The tool is free and runs entirely within the browser, leveraging modern web technologies to create a direct encrypted channel.

The primary problem that jfsendit solves is the complexity and insecurity of traditional file sharing methods. Typical solutions require uploading files to a cloud server, which introduces wait times, storage limits, and potential privacy risks. Users must create accounts, manage passwords, and trust third-party providers with their data. Additionally, large files often fail due to size restrictions or slow upload speeds. jfsendit bypasses all of this by sending files directly from one device to another. The only thing that touches a server is a tiny, ephemeral code that introduces the two browsers. This means no data is ever stored, no accounts are needed, and transfers are limited only by the devices' network capabilities.

A major feature group is the direct WebRTC connection with mandatory encryption. WebRTC (Web Real-Time Communication) establishes a peer-to-peer link between two browsers using DTLS (Datagram Transport Layer Security) for end-to-end encryption. This ensures that all file data is encrypted in transit and cannot be intercepted or viewed by anyone, including the service itself. The connection is established only after a short code exchange, which acts as a secure handshake. Because the bytes never pass through a server, there is no central point of failure or surveillance. This feature is particularly valuable for sensitive documents, private media, or any content that must remain confidential.

Another key feature group is resumable transfers with automatic reconnection. If the connection drops mid-transfer due to network instability or device sleep, jfsendit picks up exactly where it left off once both devices are reconnected, as long as the browser tabs remain open. This is crucial for large files, such as multi-gigabyte video projects or database exports, where a single interruption could otherwise force a full restart. The tool tracks the exact byte offset and resumes the stream, saving time and bandwidth. Users can keep both devices awake throughout the transfer to avoid delays.