The best websites like 4sync.com. Top 4sync.com alternatives 2021. Explore 166 alternatives to 4sync.com and read 10 reviews now on SameAs.Net4sync.com is an online storage for user files such as photos, music, documents, and other valuable files. It can be accessed anytime, anywhere, using a tablet, phone, or computer, or even from the website. 4sync has a beautiful and user-friendly interface. It has excellent features, and it is easy to use. It allows the user always to sync the important files immediately. It makes use of sophisticated encryption algorithms that keep the user data secure. It preserves and also protects user data. This assures the users that their data will never fall into the wrong hands and that it will never get lost. It also allows the creation of shared folders that keep the most valuable moments. Additionally, it allows the user to upload files of up to 20GB while and has unlimited bandwidth.