The plugin brings the excellent CopyParty, which is a file server program. After toggling it on from the Decky plugin, you can go to the provided IP address on any of your devices, enter the password, and access the Deck’s files. You can manage files, upload or download files, and more. File transfer speeds are fast and resumable.
Here’s the GitHub for the plugin, although for right now it’s pretty bare on a description. For details one what all it can do, I’d recommend checking out the CopyParty link up above.
Ssh and ftp are great once they’re setup, but they’re not as simple as this, especially for non technical users.
This is also much faster than ssh/ftp for downloads and uploads. It breaks files up into multiple concurrent streams, in benchmarks it can hit download speeds of 8GB/s and upload speeds of 1GB/s (network allowing). It also does deduplication during the transfers, making real world transfer times faster than just the actual transfer speed.