chomikuj.pl, or Chomik (Polish for hamster), is a Polish-language file hosting service founded in 2006. As of February 2013 it was the 15th most popular website in Poland. Any type of file can be published on the web site. Unregistered users can instantly retrieve files sizes of 1 MB. After registration, a user is not subject to any limit when downloading a single file, but is limited to 50 MB transfer a week. Transfer limit can be increased by raising the profile of the account (additional bandwidth to use for a specified time), and supplying the account transfer unlimited validity.