We believe that cloud storage should be free, just like email. Other cloud storage vendors only offer 5-15GB of free storage, which is not enough for your photos and other media files. Now we offer 100GB+ of totally FREE online space to everyone, which is big enough for everything you have stored on your PCs and mobile devices. Free doesn't mean that we don't take responsibility for your files. We know that you care about security and privacy, and that you don't want anyone else being able to read your files. This is why our service is ultra-secure. We are the only company in the market that ensures that only you can access your files. Thanks to our patent protected TruPrivacy technology, all files are encrypted and we don't hold the encryption key. Yes, SurDoc is the first company that can provide full feature service, including cross users' deduplication, without holding the user's encryption key. We are also very good at document technology. SurDoc provides the best online document viewer. Upload a complex document to both SurDoc and Google Docs, and you will easily be able to see the difference. This is the power of our patent protected VisiDoc technology. SurDoc works as a huge cloud drive residing in your mobile device or PC. Besides huge free storage, it includes excellent, rich features such as auto-uploading of photos, backing up, accessing, viewing, annotating, signing, and sharing photos, music, movies, documents and more from an unlimited number of devices: ++ 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; (You may also want to look for our app at the Google Play store.) ++ 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.
File Size2 MB
Operating System Windows 8 Windows 7 Windows Windows 2003 Windows 2000 Windows XP


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