Extract .7Z Files Online Free
(No Size Limits)
Open and unpack compressed folders instantly in any web browser. Perfect for Chromebooks, school laptops, and managed devices where software installation is locked.
100% Private — Files never leave your browser
About 7-Zip Decompression on unpk.app
A .7Z (or 7-Zip) file is a compressed folder format that is very good at reducing file sizes. Operating systems like Windows or macOS often require you to download third-party software to open them.
unpk.app makes opening 7Z folders effortless. Just drop your file into the box above, and your files will be extracted instantly inside your browser. No uploads, no software installations, and completely private.