I've used wetransfer for files up to 2GB (https://wetransfer.com). If you need more they have a very reasonable $12/mo pro plan that gives up to 20GB per transfer and options for password protection etc.
This is limited to 1GB. Dropbox is limited to 100GB file size.
That's their pro version. Free is limited to 100MB
Given that we hit a file size limit with the paid version of Box at the work the other day, this is welcome news.
It's 2.5 GB if you log in. For anything I share, that's plenty.