Convert xz to 7z

Free online XZ to 7Z converter

Convert XZ archives to 7Z by extracting and repackaging with 7-Zip.

Convert XZ to 7Z online - free

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How it works

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How to convert xz to 7z file

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XZ is a compressed archive format that usually uses the LZMA2 compression algorithm and is known for very high compression efficiency. 7Z is the native archive format of 7-Zip, supporting strong compression, encryption, and multiple compression methods. Converting XZ to 7Z typically means extracting the contents from the XZ archive and repackaging them into a 7Z archive.

How xz to 7z conversion works

An .xz file usually contains a single compressed stream, often used to compress one file rather than a full multi-file archive. A .7z file is a full archive container that can store one or many files and folders. Because of this, the conversion process is usually not a direct format-to-format transform; instead, you decompress the XZ file and create a new 7Z archive from the extracted content.

Best software for the conversion

The best choice is 7-Zip, because it supports both XZ extraction and 7Z creation. It is free, widely used, and available for Windows, with command-line support through 7z. For Linux and macOS, compatible tools such as p7zip or native archive utilities can also be used.

How to convert using 7-Zip

To perform the conversion in the 7-Zip interface:

  1. Open the .xz file in 7-Zip.
  2. Extract its contents to a folder.
  3. Select the extracted file or folder.
  4. Choose Add to archive.
  5. Set the archive format to 7z.
  6. Click OK to create the new archive.

How to convert using command line

If you prefer the command line, 7-Zip can do the job in two steps:

7z x file.xz
7z a -t7z archive.7z extracted_file

The first command extracts the XZ-compressed content. The second command creates a 7Z archive from the extracted file or folder.

Important notes

  • XZ is often used for single-file compression, while 7Z is a multi-file archive format.
  • If the XZ file contains only one file, the conversion is straightforward.
  • If you need to preserve folder structure, make sure you archive the extracted directory, not just the file.
  • 7Z can offer better archive management features, including encryption and solid compression.

Recommended workflow

The most reliable workflow is: extract the XZ file, verify the contents, then compress them into a 7Z archive using 7-Zip. This ensures compatibility and gives you control over compression settings.


Note: This xz to 7z conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.

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XZ vs 7Z: format comparison

How the XZ and 7Z formats compare on the properties that matter most for this conversion.

Comparison of the XZ and 7Z file formats
Property .XZ XZ Utils compressed archive .7Z 7z archive
Compression Lossless Lossless
Compression ratio Very high Very high
Encryption No Yes
Split archives No Yes
Recovery record No No
Operating system support Wide Wide
Typical file size Small Small
Open standard Yes Partly open
Introduced 2009 1999
Developer Tukaani Igor Pavlov / 7-Zip
MIME type application/x-xz application/x-7z-compressed

Frequently asked questions

Is the XZ to 7Z converter free?

Yes, converting XZ to 7Z on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.

How large can my XZ file be?

You can upload XZ files up to 1000 MB and convert up to 1 files at once in a single batch.

What happens to my uploaded files?

Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.

Do I need to install any software to convert XZ to 7Z?

No. The XZ to 7Z conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.

Did the conversion fail?

In most cases, the cause is an incorrect file format. Please upload a valid XZ file for this XZ to 7Z conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.