There was a download of RapidCRC 0.6.1 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the free program is Sebastian Ewert.
This free PC program work with the following extensions: ".md5" and ".sfv". The following versions: 0.6 and 0.3 are the most frequently downloaded ones by the program users. The software lies within System Utilities, more precisely Archivers. RapidCRC can be installed on Windows XP/Vista/7/8/10/11 environment, 32-bit version. We recommend checking the downloaded files with any free antivirus. The most frequent installation filename for the software is: RapidCRC.exe.
From the developer:
RapidCRC is a tool for windows for checking and creating CRC32 and MD5 checksums; this comprises:
SFV files
MD5 files
specialty: direct support for CRC32 in the filename (common for anime releases; for example "MyFile [45DEF3A0].avi")
This helps you to check and ensure that your files are OK and not corrupted.
You may want to check out more software, such as SFV Checker, UnPacker or SFPack, which might be related to RapidCRC.