—the 16-bit-style JRPG masterpiece by Matthias Linda—or transferring the entire game across devices, you’ve likely run into the dreaded "file too large" error. With modern games and media reaching massive sizes, finding a way to send them is a must.
A design taxonomy: methods for transferring large files securely and freely Several approaches address these goals. Each comes with trade-offs across convenience, trust assumptions, and operational complexity. That is piracy and malware risk
If you need to transfer large files (larger than typical email limits of 25MB), several services offer secure and free solutions as of early 2026 That is piracy and malware risk.
Security primitives and best practices
If you have a Switch with Atmosphere CFW: Each comes with trade-offs across convenience
If you’re trying to transfer a Chained Echoes save file between devices, see Section 3.
Someone might have packaged a file transfer tool into a Chained Echoes game directory (e.g., on a hacked Switch) to move save data or ROMs. That is piracy and malware risk.