Free Online ARC to 7Z Converter

This is an obsolete file archive format. It can store several uncompressed or compressed files in one archive, which can be decompressed with the help of a special tool. It was the forerunner to the ZIP format. It was used in MS-DOS and Macintosh computers.

This format works based on the main compression algorithm LZMA. It was originally used in 7-Zip archives. Other compression algorithms can be used in 7z since this format has open architecture for developers. It has a high compression coefficient. The encryption algorithm is AES-256.