🔒 Converts in your browser · files stay private

Convert ZIP to GZ

Drop your ZIP file into the box above (or click Choose Files), then click Convert and download your new GZ file. No account or software needed.

Convert ZIP to GZ online, free — no installation, no sign-up.

or drop files here to convert ZIP → GZ

Or import from:

Max file size 1 GB. Browser-side conversions have no upload limit.

How to convert ZIP to GZ

Drop your ZIP file above or click Choose Files.

Your file is converted instantly in your browser — it never gets uploaded.

Grab your new GZ file — done.

ZIP is the ubiquitous compressed archive format supported natively by every OS.

GZ (gzip) is a fast single-stream compression format, often paired with TAR as .tar.gz.

Drop your ZIP file into the box above (or click Choose Files), then click Convert and download your new GZ file. No account or software needed.

Yes — this converter is completely free with no watermarks and no sign-up.

Absolutely. This conversion runs entirely inside your browser, so your ZIP file never leaves your device.

You control the output. Use the advanced options (the gear icon) to set quality, and we preserve as much fidelity as the GZ format allows.