Compress File to GZIP

Compress a single file into a .gz file, entirely in your browser.

Files never leave your device — the conversion runs entirely in your browser.

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How it works

  1. 1

    Choose a file

    Up to 200 MB.

  2. 2

    Compress

    GZIP compression is applied to the whole file.

  3. 3

    Download the .gz file

    Decompress it again anywhere GZIP is supported.

FAQ

Can I compress multiple files into one .gz file?
No — GZIP compresses a single stream. To bundle multiple files, create a ZIP or TAR archive first.
Does this tool upload my file anywhere?
No — compression runs entirely in your browser.

Tool4U.net — every tool runs in your browser. No file ever leaves your device unless the tool says so.

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