Decompress .7Z Files Online Instantly
(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.
About Decompression of 7Z
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.
7Z FAQ
Everything you need to know about how unpk.app processes 7Z locally.
Is it safe to extract 7Z files online with unpk.app?
Yes, extracting 7Z files on unpk.app is completely secure. The entire decompression process runs locally in your browser memory via WebAssembly. Your 7Z archive is never uploaded to a server, keeping your confidential contents entirely private.
Can I unpack large 7Z archives like 5GB or 10GB files?
Yes! There are no artificial file size caps or upload limits for 7Z archives. Since unpk.app extracts 7Z files entirely within your browser using WebAssembly, you are only limited by your device's physical memory (RAM).
Do I need an app like WinRAR or 7-Zip to extract 7Z files?
No software installation or browser extensions are needed to open 7Z files. unpk.app decompresses 7Z archives directly in your browser tab, making it ideal for restricted school Chromebooks or locked-down corporate environments.
Can unpk.app extract password-protected or encrypted 7Z files?
Yes! unpk.app supports unlocking password-protected 7Z archives locally. Since the password prompt and decryption run completely client-side in your browser, your passwords are never sent over the network or stored on any server.
Can I decompress 7Z files on mobile browsers like iOS Safari?
Yes! You can extract and view the contents of 7Z files directly on iOS Safari or Android Chrome. unpk.app runs smoothly on mobile devices, allowing you to open 7Z archives on the go without installing extra apps.
Is there a limit on how many 7Z files I can extract for free?
No. unpk.app offers unlimited, free 7Z file extractions. Because the processing runs locally on your computer rather than our servers, we don't charge any fees or enforce any bandwidth or volume limits.
What other formats can I extract here besides 7Z?
In addition to 7Z, unpk.app supports 9 other formats: ZIP, RAR, 7Z, TAR, GZ, TAR.GZ, XZ, TAR.XZ, BZ2, and ISO. All formats are unpacked entirely locally inside your browser via WebAssembly.