Decompress .ZIP 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 ZIP
A .ZIP file is a compressed folder that groups multiple files together to save space and make them easier to send. It is the most common format you will see when downloading files from the internet.
With unpk.app, you do not need to figure out how to unzip folders on your computer or download paid apps. Simply drag and drop your file here, and it will immediately open inside your browser. Your files are processed entirely on your device and are never sent to the internet, keeping your personal data completely safe.
ZIP FAQ
Everything you need to know about how unpk.app processes ZIP locally.
Is it safe to extract ZIP files online with unpk.app?
Yes, extracting ZIP files on unpk.app is completely secure. The entire decompression process runs locally in your browser memory via WebAssembly. Your ZIP archive is never uploaded to a server, keeping your confidential contents entirely private.
Can I unpack large ZIP archives like 5GB or 10GB files?
Yes! There are no artificial file size caps or upload limits for ZIP archives. Since unpk.app extracts ZIP 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 ZIP files?
No software installation or browser extensions are needed to open ZIP files. unpk.app decompresses ZIP 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 ZIP files?
Yes! unpk.app supports unlocking password-protected ZIP 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 ZIP files on mobile browsers like iOS Safari?
Yes! You can extract and view the contents of ZIP files directly on iOS Safari or Android Chrome. unpk.app runs smoothly on mobile devices, allowing you to open ZIP archives on the go without installing extra apps.
Is there a limit on how many ZIP files I can extract for free?
No. unpk.app offers unlimited, free ZIP 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 ZIP?
In addition to ZIP, 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.