AlterSend

AlterSend

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Introduction
Private, unlimited file transfer. Peer-to-peer, end-to-end encrypted.
Listed on
July 22, 2026

What is AlterSend?

AlterSend is a free, open-source, cross-platform file transfer application that sends files directly between devices over the internet. It uses peer-to-peer technology with end-to-end encryption (ChaCha20-Poly1305), ensuring files never touch cloud storage. No accounts, no size limits, and no codes to scan after initial pairing.

How to use AlterSend?

  • Download and install AlterSend on your devices. Pair devices by scanning a QR code or pasting a join code (no account needed). After pairing, future transfers between paired devices skip the code. Drop files to transfer them directly, end-to-end encrypted.

Core features of AlterSend

  • Peer-to-peer file transfer over the internet
  • End-to-end encrypted with ChaCha20-Poly1305
  • No cloud storage, no accounts, no size limits
  • Cross-platform: Mac, Windows, Linux, iOS, Android
  • Pair once, skip the code for future transfers
  • Open source on GitHub

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