Free GZIP Extractor Online
Open and extract .GZ files instantly. No upload, no software and no waiting.
Decompress GZIP files directly in your browser and download the original extracted file. Xplore also reads useful GZIP metadata such as the stored filename and compression information.
Extracting your file...
Reading and decompressing the GZIP stream locally.
The decompressed file has been recreated entirely in your browser and is ready to save.
Decompress a .GZ file and recover the original file inside
GZIP is a compression format rather than a multi-file folder browser
like ZIP. A standard .gz file usually represents one
compressed data stream that can be expanded back into its original
file.
The extractor above opens that GZIP stream in your browser, recovers the decompressed data and examines useful information stored in the GZIP header.
When available, you can see the stored original filename, modified time and GZIP comment before downloading the extracted file.
This GZIP utility is part of Xplore File Manager, where file tools are built around the actual behavior of the format so you can see what was recovered instead of receiving an unexplained download.
How to extract a GZIP file online
Choose a normal .gz file, let the browser read its GZIP header and compressed stream, then download the decompressed result.
Choose the .GZ file
Click Choose GZIP file or drag the .gz file onto the extractor.
The current version accepts compressed GZIP files up to 300 MB. TAR.GZ and TGZ archives are intentionally redirected to the TAR.GZ Extractor because they contain another archive layer after decompression.
The GZIP stream is validated and decompressed
The browser first checks for the expected GZIP signature and Deflate compression method before attempting decompression.
The trailer's stored uncompressed-size value is also used as an early memory check. The current workflow does not continue when the result is expected to exceed 750 MB.
Inspect the extracted size and GZIP metadata
After decompression, the workspace compares compressed and extracted sizes and shows the resulting size ratio.
The metadata area also displays the chosen output filename, original filename stored in the GZIP header when available, modification time and optional GZIP comment.
Let the stored filename decide the output name when possible
GZIP can optionally contain the name of the original file in its header. When a usable stored name exists, this extractor uses its basename for the download.
If no original filename is stored, the tool falls back to the
selected GZIP filename with the final .gz removed.
Download the extracted original file
Once decompression has finished, the recovered bytes are prepared as a separate browser download.
Click Download file to save the extracted result using the resolved output filename.
What is a GZIP file?
GZIP is a compression format commonly identified by the
.gz extension. Its compressed payload uses Deflate and
the format can include header information describing the original
data.
Unlike a ZIP archive, GZIP by itself is not primarily a container for browsing a directory tree of many separate files. This extractor therefore produces one recovered output file.
Which metadata can this extractor show?
Stored original filename
When the optional filename field exists, the extractor reads it and can use its cleaned basename as the download filename.
Modified time
A non-zero modification timestamp in the GZIP header is converted into a readable date and time in the workspace.
GZIP comment
If the archive includes the optional comment field, its text is displayed alongside the other GZIP information.
Not every .GZ file stores its original filename
The original-name field in a GZIP header is optional. When it is missing, there is no hidden filename for the extractor to recover.
In that situation the selected filename is used as the fallback and
its final .gz suffix is removed. Unsafe filename
characters are cleaned before the download is created.
Why can a small GZIP turn into a much larger file?
Compression ratio depends heavily on the kind of data stored in the stream.
The workspace calculates its displayed ratio from extracted size divided by compressed size. A value such as 4.00× means the recovered data occupies roughly four times the size of the compressed GZIP file.
Why does the GZIP tool reject .tar.gz and .tgz?
Decompressing a TAR.GZ produces another archive—the TAR—not the final collection of ordinary files.
The dedicated TAR.GZ Extractor continues into that second layer so it
can parse directories and regular-file entries correctly. The GZIP
Extractor intentionally handles ordinary .gz files
instead.
The .gz extension alone is not enough
GZIP magic bytes
The file data is checked for the expected GZIP signature before decompression begins.
Deflate stream
The expected GZIP compression method is checked as part of the initial stream recognition.
Reserved flags are rejected
Reserved GZIP header flag bits are treated as a sign that the stream may be damaged or unsupported.
Both compressed and uncompressed size matter
The current tool rejects .gz input larger than 300 MB and also checks whether the decompressed result is expected to exceed 750 MB.
The actual output length is checked again after decompression before the file is prepared for download.
The compressed stream is decompressed inside your browser
The selected GZIP file is read in browser memory, decompressed there and converted into a downloadable Blob for the recovered file. The original .gz file remains unchanged on your device.
Questions about extracting .GZ files
How do I extract a GZIP file online?
Choose or drop a normal .gz file, wait for it to be decompressed, review its metadata and click Download file.
Does a .gz file contain many files like ZIP?
A standard GZIP stream is handled here as one compressed output file. TAR.GZ adds a TAR archive layer when multiple archived paths are needed.
Can the extractor recover the original filename?
Yes, when the optional original-name field exists in the GZIP header. Otherwise the tool removes .gz from the selected filename.
Can I see when the GZIP was created or modified?
The workspace displays the GZIP header modification timestamp when a non-zero value is stored there.
Does it display GZIP comments?
Yes. If the optional GZIP comment field exists, its text is shown in the metadata section.
Can I use this tool for .tar.gz?
No. The current tool intentionally redirects .tar.gz and .tgz files to the TAR.GZ Extractor so their internal TAR files and folders can be parsed.
What is the maximum GZIP input size?
The current compressed input limit is 300 MB.
How large can the extracted file be?
The current browser workflow limits the expected and actual extracted result to 750 MB.
Why is my extracted file much larger than the .gz?
GZIP stores compressed data. Highly compressible source data can expand substantially when restored to its original form.
Does extraction modify my original .gz file?
No. The recovered file is created as a separate download and the source GZIP remains unchanged.
Decompress the .GZ stream and recover the original file
Inspect the stored metadata, compare sizes and download the extracted result.