What quality should I expect from the TAR output?

Our converter preserves as much fidelity as Tar Archive allows. Where Gzip Compressed File carries information that Tar Archive cannot represent, that information is mapped to the closest equivalent (for example, color spaces, codec parameters, or metadata fields). For most everyday uses the result is indistinguishable from the source.

Are my filenames, folder structure, and timestamps preserved in the TAR archive?

Yes. The directory structure, filenames (including Unicode characters), and modification timestamps are carried over from your Gzip Compressed File archive into the Tar Archive output. File permissions are preserved when both formats support them. The result is a functionally equivalent archive — just in a different container, ready to extract on systems that prefer TAR.

What file size should I expect for the TAR output?

The output size depends on the content and the compression characteristics of Tar Archive. In most cases the TAR file will be in the same ballpark as your GZ input, with differences driven by how each format encodes data. There is no fixed ratio — the converter does not change quality settings unless you ask it to.

When should I convert GZ to TAR instead of staying with GZ?

Convert when the application, device, or workflow you are targeting prefers Tar Archive over Gzip Compressed File. If your current GZ file already opens and behaves correctly everywhere you need it to, there is no benefit to converting — keep the original. The most common reasons to switch are compatibility (a tool only accepts TAR), distribution (recipients expect TAR), or feature requirements specific to Tar Archive.

What is the maximum GZ file size I can convert?

MegaConvert accepts GZ files up to 100 MB on the free service, which is enough for the vast majority of real-world Gzip Compressed File files. If you have a larger file (typical for high-resolution video or uncompressed audio), please contact us — we can sometimes accommodate larger uploads for legitimate use cases.

Is my GZ file safe and private when I upload it?

Yes. Your GZ file is uploaded over HTTPS, processed in an isolated job environment, and deleted from our servers within one hour. We do not read, index, store, or share the contents of your file. No account is required, so the upload is not associated with a personal identity. See our privacy policy for the full details.

Convert GZ to TAR

Free online GZ to TAR converter. No signup required.

Drag & drop your file here

or click to browse

Max file size: 100 MB

Why Convert GZ to TAR?

Understand when and why this conversion makes sense for your workflow.

Converting Gzip Compressed File to Tar Archive helps resolve compatibility issues when sharing compressed files across different operating systems and software environments. Archive formats vary in their compression algorithms, split archive support, password protection, and native tool availability. What opens effortlessly on one system may require third-party software on another, making format conversion an important step when collaborating across platforms.

Gzip Compressed File has a known limitation: can only compress a single file or stream (not an archive format). In contrast, Tar Archive offers a key advantage: preserves Unix file permissions, ownership, symbolic links, and timestamps. While Gzip Compressed File is commonly used for compressing tar archives to create .tar.gz packages, Tar Archive is better suited for linux and unix software distribution and source code packaging.

MegaConvert repackages your GZ archive into TAR format reliably, ensuring recipients on any platform can extract the contents without compatibility issues.

GZ vs TAR: Format Comparison

Side-by-side comparison of the source and target formats.

Property	GZ (Source)	TAR (Target)
Extension	.gz	.tar
Full Name	Gzip Compressed File	Tar Archive
Compression	Lossless	Lossless
File Size	Small	Varies
Best For	Compressing TAR archives to create .tar.gz pa…	Linux and Unix software distribution and sour…
Browser Support	Varies	Varies

How to Convert GZ to TAR

Follow these simple steps to convert your file in seconds.

Upload your GZ archive
Drop your .gz file or browse to select it. Archives up to 100 MB are supported — that is the size of the archive itself, not the size of its contents after extraction. Password-protected archives cannot be repackaged unless the password is supplied alongside the upload.
Click "Convert to TAR"
Start the conversion. We extract the contents of your Gzip Compressed File archive into temporary storage, then re-pack everything into Tar Archive using sensible compression defaults. Folder structure, filenames, and timestamps are preserved.
Wait for the conversion to complete
The conversion usually takes just a few seconds. The progress bar updates in real time while your Gzip Compressed File file is processed and the new Tar Archive file is generated.
Download your .tar file
When the conversion finishes, click the download link to save the new Tar Archive file to your computer. The file is yours — no watermarks, no expiration on the file itself, and no MegaConvert account is required to download it.

Tips for Converting GZ to TAR

Practical advice to get the best results from this conversion.

Why this conversion is worth doing

Gzip Compressed File has a known limitation: can only compress a single file or stream (not an archive format). Tar Archive addresses this with a key advantage: preserves Unix file permissions, ownership, symbolic links, and timestamps. Converting from GZ to TAR is most worthwhile when this specific trade-off matters for the way you intend to use the file.

Match the format to the actual workflow

Gzip Compressed File is most commonly used for compressing tar archives to create .tar.gz packages, while Tar Archive is the standard for linux and unix software distribution and source code packaging. If your workflow is closer to the second pattern, converting makes sense. If you are still working in a context where GZ is the norm, converting may create unnecessary compatibility friction with collaborators or tools that expect the source format.

Watch for this limitation in the TAR output

Tar Archive has its own limitation worth understanding before you commit: no built-in compression; must be combined with a separate compression tool. After the conversion completes, open the TAR file and verify that this limitation does not affect your specific use case — for some workflows it is irrelevant; for others it can be a deal-breaker.

Check native tool availability for your target format

ZIP is natively supported on Windows, macOS, and Linux without any additional software. 7Z offers better compression but requires 7-Zip or equivalent software. RAR requires WinRAR or a compatible extractor. If you're sharing with non-technical users, ZIP is the safest format to maximize compatibility.

Understanding GZ and TAR Formats

Learn about the source and target file formats to understand what happens during conversion.

Source Format

Gzip Compressed File

application/gzip

GZ (gzip) is a compression format using the DEFLATE algorithm, developed by Jean-loup Gailly and Mark Adler as a free replacement for the Unix compress utility. Gzip compresses a single file or data stream and is most commonly used in combination with TAR to create .tar.gz archives. It is the standard compression format for web content delivery via HTTP compression.

Advantages

Universal support across all Unix/Linux systems and most software
Fast compression and decompression speeds
Standard compression for HTTP content encoding on the web

Limitations

Can only compress a single file or stream (not an archive format)
DEFLATE compression is less efficient than bzip2, xz, or Zstandard
No encryption or multi-file support without combining with TAR

Common Uses

Compressing TAR archives to create .tar.gz packages
HTTP content compression for web server responses
Log file compression and rotation on Unix systems

Target Format

Tar Archive

application/x-tar

TAR (Tape Archive) is a Unix archive format that bundles multiple files and directories into a single file while preserving file permissions, ownership, timestamps, and symbolic links. TAR itself performs no compression; it is purely an archival format. TAR is almost always used in combination with a compression tool like gzip, bzip2, or xz to create compressed archives.

Advantages

Preserves Unix file permissions, ownership, symbolic links, and timestamps
Standard archival format on all Unix and Linux systems
Extremely simple and reliable format with decades of proven use

Limitations

No built-in compression; must be combined with a separate compression tool
No random access to individual files without reading the entire archive
No built-in encryption or password protection

Common Uses

Linux and Unix software distribution and source code packaging
System backup and file archival on Unix platforms
Bundling files before applying compression with gzip, bzip2, or xz

Frequently Asked Questions

Common questions about converting GZ to TAR.

Related Conversions

Explore other conversions related to GZ and TAR.

Other conversions from GZ

GZ to ZIP GZ to BZ2 GZ to XZ GZ to 7Z GZ to TAR.GZ GZ to TAR.BZ2 GZ to TAR.XZ

Other conversions to TAR

ZIP to TAR BZ2 to TAR XZ to TAR 7Z to TAR TAR.GZ to TAR TAR.BZ2 to TAR TAR.XZ to TAR

Convert GZ to TAR

Why Convert GZ to TAR?

GZ vs TAR: Format Comparison

How to Convert GZ to TAR

Upload your GZ archive

Click "Convert to TAR"

Wait for the conversion to complete

Download your .tar file

Tips for Converting GZ to TAR

Why this conversion is worth doing

Match the format to the actual workflow

Watch for this limitation in the TAR output

Check native tool availability for your target format

Understanding GZ and TAR Formats

Gzip Compressed File

Advantages

Limitations

Common Uses

Tar Archive

Advantages

Limitations

Common Uses

Frequently Asked Questions

What quality should I expect from the TAR output?

Are my filenames, folder structure, and timestamps preserved in the TAR archive?

What file size should I expect for the TAR output?

When should I convert GZ to TAR instead of staying with GZ?

What is the maximum GZ file size I can convert?

Is my GZ file safe and private when I upload it?

Related Conversions

Other conversions from GZ

Other conversions to TAR