The best websites like Fastshare.cz. Top Fastshare.cz alternatives 2020. Explore 166 alternatives to Fastshare.cz and read 10 reviews now on SameAs.NetFastshare is a site in the Czech Republic that offers file storage and downloading services in English, Czech, Slovenian and Polish. The download limit of a file on the site is 2 GB, and users can store their files for free up to a total of 30 GB. The site also offers unlimited download options, faster and practical download solutions for premium members. Premium membership system is carried out through buying credits. It is also possible to make money on the platform which also has an affiliate program. The system that provides a download manager for computers is extremely user friendly.