SendBig is the best and free file transfer service available online. It is completely free and allows sharing files up to 30GB per transfer. With no limit on the number of transfers that can be shared, SendBig includes unique features : - customize email and download page of your transfer, - set expiry date between one and thirty days, - defer email sending up to three days, - Transfer files via email or via the shareable link, - set the maximum number of downloads allowed per transfer, - Get notified when transfer gets downloaded, - Add a password protection to your transfer, - Import contact email from csv files. And many more features !!