Guides
Everything about moving files with Relayium — terminal how-tos, phone-to-phone transfers, and honest comparisons with other tools — plus the ephemeral encrypted text Relayium carries when both devices are online.
Everyday transfers
- Send files between devices on the same Wi-Fi
- Send files between two computers over the internet
- Send files from PC to phone wirelessly, no cable or app
- How to transfer files from Android to iPhone (no cable)
- Transfer files between a Mac and a Windows PC
- AirDrop for Windows, Linux and Android
- Transfer files by scanning a QR code
- How to send a whole folder, not just files
- Send text, links and commands between devices
- How to send large files without the cloud
- Share a file with a secure, expiring download link
Command line
- Transfer files and text from the terminal with the Relayium CLI
- Set up Device Inbox on an always-on Linux server
- Send a file to someone across networks with the Relayium CLI
- Receive files from the command line
- Sync a large folder between two servers (resumable, in the background)
- Server-to-server transfers with the Relayium CLI (daemon direct)
- Back up files to your own server over SSH with the Relayium CLI
- Automate encrypted server backups with a cron job
- Push files to the cloud, pull them on another computer
Self-hosting & operations
- Self-host Relayium: run your own file-and-text transfer server
- Bring your own node: use Relayium relay & storage for free
- Run Relayium as an always-on receive service
How it works & safety
- What is peer-to-peer file transfer?
- Is it safe to send files over the internet?
- How Relayium encrypts your files end-to-end
Comparisons
- Relayium vs AirDrop: a cross-platform AirDrop alternative
- Relayium vs Snapdrop & PairDrop: which secure P2P file transfer?
- Relayium vs LocalSend: which local file transfer to use
- Relayium vs WeTransfer: encrypted links and live handoffs
- The best Firefox Send alternative in 2026
- Relayium vs Dropbox for sending a file
- Relayium vs Google Drive for sending files
- Relayium vs Nextcloud for sending files
- Relayium vs croc: encrypted file transfer from the terminal
- Relayium vs magic-wormhole: CLI file transfer
- Relayium vs scp: simpler file transfer over SSH
- Relayium vs rsync: sync folders without the SSH setup