Extract .zipx Files Online
Open a WinZip .zipx archive and take out the files, without WinZip and without uploading anything.
How to open a ZIPX file online
- Drop the
.zipxfile onto the box above, or click to choose it. - If it is password-protected, type the password when asked.
- Browse the folders, click a file to preview it, then download single files, a selection, or everything at once.
Why Windows says it cannot open a .zipx
A .zipx file is a ZIP archive made by WinZip with stronger compression methods than the classic Deflate. The container is ordinary ZIP, but the files inside are packed with LZMA, PPMd, bzip2, XZ, Zstandard or Deflate64. Windows Explorer and the macOS Archive Utility only understand Deflate, so they report the archive as invalid or empty even though nothing is wrong with it.
This page reads those methods with the 7-Zip engine compiled to WebAssembly, so the archive opens like any other ZIP.
What was tested
- Works: entries compressed with LZMA, PPMd, bzip2, XZ, Zstandard and Deflate64, mixed freely in one archive, plus WinZip AES-128 and AES-256 encryption and Unicode file names. Each method was checked byte for byte against the original files.
- Not supported: WinZip’s special methods for photos and audio, which recompress JPEG images and WAV files losslessly. No open-source decoder exists for them. Entries packed that way are reported as unsupported, and everything else in the archive still extracts.
Need a normal ZIP instead?
If you want to forward the archive to someone who only has the tools built into their computer, the ZIPX to ZIP converter repacks it with plain Deflate, which every system opens.
Frequently asked questions
Do I need WinZip to open a .zipx file?
No. This page includes the 7-Zip engine, which reads the compression methods WinZip uses. It runs in your browser on Windows, macOS, Linux and ChromeOS.
Is the ZIPX file uploaded?
No. The archive is read on your device and nothing is sent over the network.
Can it open a password-protected ZIPX?
Yes, if you know the password. WinZip AES-128 and AES-256 encryption are supported, as is the older ZipCrypto.
Why does one file say the method is unsupported?
WinZip has two special methods that recompress JPEG photos and WAV audio. No open-source decoder exists for them, so those entries cannot be extracted here. The other files in the archive are not affected.
Is a ZIPX file the same as a ZIP?
The structure is the same, only the compression inside is newer. Renaming .zipx to .zip does not help, because the problem is the compression method, not the extension.