ZIP Converter

How to Convert a ZIP File to Any Archive Format

1. Upload Your ZIP File: Drag and drop your .zip archive or click "Add Files". You can upload from your computer, Google Drive, or Dropbox, and drop in several ZIP files at once to convert them in a batch.
2. Pick an Output Format and Combine Mode: Choose the target container — 7Z, TAR, TAR.GZ, TAR.XZ, TAR.BZ2, TGZ, TB2, TZ2, or RAR. Under Combine Mode, keep "Single Archive" to bundle every uploaded file into one output archive, or switch to "Individual Archives" to get one converted archive per input file.
3. Re-pack to the New Container: The converter decompresses your ZIP, then re-bundles and (where the target compresses) re-compresses the contents into the new format — for example DEFLATE inside ZIP becomes gzip-compressed for TAR.GZ or LZMA2 for 7Z.
4. Convert and Download: Click Convert. Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically after a few hours — no sign-up, no watermark, never shared.

Popular ZIP Conversions

• ZIP to 7Z — for the highest compression ratio, when recipients have 7-Zip installed
• ZIP to TAR.GZ — the default bundle for Linux, Docker, and source releases
• ZIP to TAR — bundle files into one uncompressed archive that preserves Unix permissions
• ZIP to TAR.XZ — smallest tarball, using xz/LZMA2 compression
• ZIP to TAR.BZ2 — bzip2-compressed tarball common in older Unix software distribution
• ZIP to RAR — for workflows that specifically expect a RAR archive

Why Convert a ZIP File?

ZIP is the closest thing archives have to a universal format. Created in 1989 by Phil Katz of PKWARE (released into the public domain that February) and compressing each file individually with the DEFLATE algorithm from IETF RFC 1951, ZIP is supported natively on Windows, macOS, Linux, ChromeOS, iOS, and Android — double-click and it opens, no extra software needed. That ubiquity is why most people never need to leave it. But ZIP is not always the right archive, and that's when you convert:

• Smaller downloads (7Z / TAR.XZ) — ZIP's per-file DEFLATE is decent but dated. 7Z (LZMA2) and TAR.XZ (xz/LZMA2) compress the whole set of files as a solid stream, which typically lands meaningfully smaller than ZIP for many similar files. The tradeoff: 7Z is not opened natively by Windows Explorer or macOS Finder and usually needs 7-Zip or a similar tool.
• Unix and Linux workflows (TAR.GZ / TAR) — TAR.GZ is the default bundle format for source releases, Docker build contexts, and most Linux package tooling. Plain TAR concatenates files with no compression but preserves Unix permissions and ownership in its header, which a ZIP round-trip can lose. If a build script or tar -xzf command expects a tarball, ZIP simply won't do.
• Better permission and metadata handling — TAR-family formats store the numeric user ID, file mode, timestamps, and directory structure for every entry, making them the safer choice when those attributes matter (backups, deployments, reproducible builds).
• Matching a tool that demands one format — some upload forms, CI pipelines, and legacy apps accept only one archive type. Converting is faster than re-zipping by hand. If you have the reverse problem — an archive that isn't ZIP — the 7Z to ZIP and TAR to ZIP tools go the other way.

Archive Format Comparison

Frequently Asked Questions

Does converting a ZIP extract the files to my computer?

No. A converter changes the container, not your disk. It decompresses the ZIP on our servers, re-bundles the same files into the new archive format (for example TAR.GZ or 7Z), and hands you back a single converted archive to download. Your files stay packed — just in a different wrapper. If you actually want the loose files, you'd extract the ZIP with your operating system's built-in unzip, not convert it.

Is converting ZIP to TAR.GZ or 7Z lossless?

The file contents are always preserved exactly — no bytes inside your files change. What changes is how they're packed. ZIP, TAR.GZ, and 7Z use different compression algorithms (DEFLATE, gzip, and LZMA2), so the converter decompresses your ZIP and re-compresses into the target. That re-compression is lossless for the data itself; only the archive's size and structure differ. TAR (uncompressed) will usually be larger than the source ZIP because it adds no compression at all.

Will I get a smaller file converting ZIP to 7Z or TAR.XZ?

Often, yes. ZIP compresses each file separately with DEFLATE, while 7Z (LZMA2) and TAR.XZ (xz) compress the whole set as a solid stream and use newer algorithms — so archives with many similar files typically shrink further. The gain depends on your content: already-compressed files like JPEGs, MP4s, or PDFs barely shrink in any format. In our testing, a ZIP of mixed text and source files re-compressed to 7Z came out noticeably smaller than the original ZIP, while a ZIP of photos stayed about the same size.

What's the best format to convert a ZIP to for Linux or Docker?

TAR.GZ. It's the default bundle for source code releases, Docker build contexts, and most Linux package tooling, and it preserves Unix file permissions and ownership that a ZIP can drop. Use plain ZIP to TAR if you want the bundle without compression (for example to compress it yourself later), or ZIP to TAR.XZ when you want the smallest possible tarball.

Why can't I open a 7Z or TAR.GZ file by double-clicking on Windows?

Because Windows Explorer and macOS Finder only open ZIP natively — 7Z, TAR.GZ, and the rest need a tool like 7-Zip, WinRAR, or the command-line tar. That's exactly why ZIP remains the safe choice for sharing with non-technical recipients, and why you'd convert to 7Z or TAR.GZ only when you know the receiving end (a Linux box, a build server, a 7-Zip user) can handle it.

What happens to the files inside my ZIP, and is it private?

The files keep their names, folder structure, and contents — only the surrounding archive format changes. Your ZIP is uploaded over an encrypted connection, converted on our servers, and the upload and result are deleted automatically after a few hours. There's no sign-up, no watermark, and your archives are never shared or made public.