To transfer the Splatoon 3 file (approximately 9.9 GB based on the Nintendo Official Site), there are several secure and free online services designed for large file transfers that do not require a paid subscription. Recommended Free Transfer Services
Smash: Offers unlimited file sizes for free. It includes password protection and allows you to set an expiration date (up to 14 days on the free tier).
TransferNow: Allows transfers up to 5 GB for free without an account. For a file the size of Splatoon 3, you would likely need their free account to handle larger individual uploads or split the file. To transfer the Splatoon 3 file (approximately 9
Filemail: Supports sending files up to 5 GB for free via email or a secure link.
ToffeeShare: A peer-to-peer (P2P) service with no size limits. It transfers files directly between devices, meaning the file is never stored in the cloud, which adds a layer of privacy. You must keep your browser tab open until the recipient finishes downloading. Relay + P2P encryption with password
Wormhole: Specifically designed for speed and security, offering end-to-end encryption for files up to 10 GB for free. Links automatically expire after 24 hours or a set number of downloads. Secure Transfer Tips
Use Password Protection: Services like Smash and TransferNow allow you to add a password to your transfer for free, ensuring only your intended recipient can access the data. but speed depends on Tor network.
Verify Integrity: If transferring game files like an .nsp, it is standard practice to verify the file's hash (such as MD5 or SHA-256) after the transfer to ensure it wasn't corrupted during the upload or download process.
If you're looking to transfer large files securely and for free, there are several methods and tools you can use. Here are a few suggestions:
croc send --code splat3 Splatoon3.nspcroc splat3ftpd over Wi-Fi. Enable TLS for security.