EF CheckSum Manager is a program designed for the integrity examination of files on the standard formats SFV, MD5 and SHAx. (CRC32 (SFV), MD5, SHA1, SHA224, SHA256, SHA384, SHA512, SHA-3 224, SHA-3 256, SHA-3 384, SHA-3 512) They can verify existing checksums or create new checksum for your important data. The EF CheckSum Manager