AlterSend

What is AlterSend?

AlterSend is a peer-to-peer file transfer app for people who want to move files without cloud storage. It sends files directly between devices with end-to-end encryption, no account requirement, and no built-in file size limit. Users can pair devices by code or QR flow and then send to remembered devices more quickly in the future. The product is open source and targets individuals, privacy-conscious users, developers, and teams that need simple cross-device transfer across macOS, Windows, Linux, iOS, and Android.

How to use AlterSend?

1. Install AlterSend on the devices that need to exchange files.
2. Pair a new device by scanning a QR code or entering a connection code.
3. Choose the file, folder, photo, video, text, or link to send.
4. Transfer the item directly between devices with end-to-end encryption.
5. Reuse paired devices later without scanning or typing a new code each time.

Core Features

• Peer-to-peer transfer — Sends files directly between devices instead of storing them in a cloud account.
• End-to-end encryption — Keeps transferred data readable only by the sending and receiving devices.
• No account required — Avoids signup, login, email collection, and subscription setup.
• No file size limit — Handles small photos or large archives without an artificial upload cap.
• Device pairing — Remembers trusted devices after the first QR or code pairing flow.
• Cross-platform apps — Supports desktop and mobile workflows across major operating systems.
• Open-source codebase — Lets technical users inspect and contribute to the transfer app.

Use Cases

• Phone-to-computer transfer — Move photos, videos, and files between personal devices without a cloud drive.
• Private sharing — Send sensitive files without uploading them to a third-party storage service.
• Large archive transfer — Move large media or project files without file size restrictions.
• Open-source alternative — Replace basic cloud-link file sharing with an inspectable peer-to-peer tool.