XZ Extractor

Decompress .XZ Files Online Instantly
(No Size Limits)

Drag & drop your XZ file here

or click to browse your local files

100% Private — Files never leave your browser

Open, view, and unpack source archives securely in your browser tab. 100% safe from data leaks, lightning-fast processing, and optimized for large developer packages.

About Decompression of XZ

An .XZ file is a compressed file format that utilizes the LZMA2 compression algorithm. It is known for achieving very high compression ratios, often exceeding Gzip or Bzip2 formats.

With our client-side WebAssembly parser, you can decompress .XZ files in seconds right on your machine, ensuring data confidentiality.

XZ FAQ

Everything you need to know about how unpk.app processes XZ locally.

Is it safe to extract XZ files online with unpk.app?

Yes, extracting XZ files on unpk.app is completely secure. The entire decompression process runs locally in your browser memory via WebAssembly. Your XZ archive is never uploaded to a server, keeping your confidential contents entirely private.

Can I unpack large XZ archives like 5GB or 10GB files?

Yes! There are no artificial file size caps or upload limits for XZ archives. Since unpk.app extracts XZ 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 XZ files?

No software installation or browser extensions are needed to open XZ files. unpk.app decompresses XZ 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 XZ files?

Yes! unpk.app supports unlocking password-protected XZ 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 XZ files on mobile browsers like iOS Safari?

Yes! You can extract and view the contents of XZ files directly on iOS Safari or Android Chrome. unpk.app runs smoothly on mobile devices, allowing you to open XZ archives on the go without installing extra apps.

Is there a limit on how many XZ files I can extract for free?

No. unpk.app offers unlimited, free XZ 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 XZ?

In addition to XZ, 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.