At unzip-online.com you can unzip .zip and unrar .rar files for free without having winzip/winrar installed. Ideal for at school/office where winrar/winzip not is available!
Uploaded files are deleted after 24 Hours and can only be viewed by you.
Just upload a file and download the uncompressed files in it, no need to install software.
Uncompressing files with a filesize of up to 200MB!