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An SVGZ file is simply an SVG compressed with gzip (RFC 1952). That saves space, but many programs, editors and browser workflows expect a plain, uncompressed SVG. This tool unpacks the SVGZ again so you can open, edit or embed the vector directly.
Unpacking is completely lossless: you get back exactly the vector that was packed in - no detail changes. If the file you drop is already an uncompressed SVG it is passed through unchanged; if the unpacked content does not look like SVG the tool fails honestly instead of producing a broken file.
Everything happens locally in the browser, nothing is uploaded - even offline. Your graphic never leaves your device, unlike online converters that load your files onto third-party servers.
On the web, SVGZ is often served directly with the HTTP header Content-Encoding: gzip, so the browser unpacks it unnoticed. Locally, however, many editors and older programs do not recognize the .svgz extension and show only garbled characters instead of the graphic - that is exactly when you unpack it here once into clear, universally readable SVG.
Specifications
Specifications
Input formats
SVGZ
Output format
SVG
Batch processing
Yes
Processing
Locally in your browser (JavaScript)
File upload
None
In 3 steps
Drop or tap your SVGZ file(s).
The tool unpacks the gzip-compressed SVG.
Download the plain SVG (several as a ZIP).
Limitations: This tool only unpacks gzip-compressed SVGZ files (and passes already-plain SVG through unchanged). It does not rasterise, simplify or alter the vector. Non-SVG content is deliberately rejected.
FAQ
What is an SVGZ file?
An SVGZ is a gzip-compressed SVG. It holds the same vector, just packed to save space.
Are my files uploaded?
No, unpacking happens entirely locally in the browser - even offline.
Do I lose quality?
No. Unpacking is lossless; the unpacked vector is byte for byte the original SVG.
How do I get back to SVGZ?
Compress the SVG with a gzip tool and rename the result to .svgz.
Can I unpack several files at once?
Yes. Drop several SVGZ files; with multiple results you get them as a ZIP.