F CRC Calculator is a tool for calculating CRC32 and MD5 from any file. A file's CRC is a code, which is characteristic to the file content. It processes several files, with a files list and support drag and drop. A progress bar is also included to process large files. Has MD5 support (which is like CRC, another very common error detecting code). Support of files over 2GB. It's possible to add all files, which are in a specific folder.