TAR.XZ (TXZ) to ZIP Converter
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About formats
TAR.XZ is a compound archive format combining TAR) archiving with XZ compression, developed by the Tukaani Project and led by Lasse Collin since 2009. The TAR layer bundles files preserving Unix metadata, and XZ applies LZMA2 compression within a robust container featuring CRC-32 and CRC-64 integrity checks, padding support for media storage, and a stream/block structure enabling parallel decompression. LZMA2 improves on LZMA with better handling of incompressible data and multi-threaded compression support. TAR.XZ has become the preferred distribution format for many open-source projects — the Linux kernel, GNU core utilities, and numerous other packages ship their source tarballs as .tar.xz files. One advantage is the best compression-to-decompression-speed ratio among widely supported formats — XZ achieves compression ratios comparable to 7Z while decompressing faster than bzip2, an ideal combination for software distribution. The built-in integrity verification is another strength: unlike raw LZMA streams, the XZ container includes checksums that detect corruption before data reaches the application layer. GNU tar supports TAR.XZ natively via the -J flag, and xz-utils are packaged in every major Linux distribution. The format has effectively replaced TAR.GZ and TAR.BZ2 as the default for source code distribution in the open-source ecosystem.
ZIP is the most widely used archive format in computing, originally created by Phil Katz and released by PKWARE) on February 14, 1989 as part of the PKZIP utility for MS-DOS. The format stores each file independently within the archive, compressing entries individually using the Deflate algorithm (most commonly) and recording a central directory at the end of the file that provides a table of contents for rapid access to any entry without scanning the entire archive. ZIP supports multiple compression methods (Stored, Deflate, Deflate64, BZIP2, LZMA), AES encryption, ZIP64 extensions for files and archives exceeding 4 GB, and Unicode filename encoding. The format's open specification, published by PKWARE as the .ZIP Application Note, enabled broad independent implementation and contributed to ZIP becoming the de facto standard for file distribution. One advantage is native operating system support — Windows, macOS, and most Linux desktop environments handle ZIP files without any third-party software, making it the safest choice for sharing compressed files with unknown recipients. The per-file compression architecture is another key strength: individual files can be extracted or updated without reprocessing the entire archive, and a corrupted entry does not affect other files. ZIP's role extends beyond simple archiving — it serves as the structural foundation for JAR), EPUB, DOCX, PPTX, ODP, APK, and numerous other container formats that package multiple resources into a single file.