SurDoc - 100GB+ free storage (100G)

Starting with one year of free storage, you can extend this free storage for as many years as you want by saying "I love SurDoc" to your friends every year;

Starting with 100GB of free storage, you can earn up to 1TB for free by inviting friends (10GB per referral), as well we will announce several other ways to earn free storage soon

Ultra secure storage - SurDoc is the only cloud storage service provider who cannot read your files;

Auto-upload photos, videos, music and more from your mobile device through WiFi;

Auto-backup files from all of your devices to your personal cloud;

Access, view and edit files in your personal cloud regardless of file format without installing or buying any other software or app;

High-fidelity view, best online viewer;

Easy file sharing through links, email, Facebook and Twitter;

Fill out forms, comment on documents, and add signatures to documents on the go.