B1 Achiever is a free compressing software that you can use as an alternative for winrar and winzip. B1 Achiever is a cross platform tool and it works on windows computers, apple computers , linux box and your favorite android. just like other paid compressing tools you can compress , extract and manage many file formats using this free utility. B1 Achiever got a simple clean interface with the features you’re looking for. being one of the fastest compression softwares b1 achiver can zip your files in a reasonable speed. this multi platform free compression tool got the ability to compress your files with a password. if you’re looking for some privacy the best thing to do is compressing your files. compressing softwares are very important when it comes to sharing big files online. offering huge files on your server can eat up your entire bandwidth and its better to compress the file before you send to someone.