I really enjoy finding tools that just do the job and don't try to profit from you or your data. Here are some of the ones that I find useful. Send a large file or lots of files Transfer files up to 6GB in size. No registration required. No ads. Links expire. FileTransfer.io ... https://filetransfer.io/...
Cryptpad is for working collaboratively on documents such as Rich Text, Spread Sheets, Presentations, Whiteboards, and Project Boards. The server has no access to any of your data and the encryption is based on zero knowledge. You don't even need to give an email address to register - you pick a username...
Source: cryptpad.fr