What is GZIP compression?

GZIP is a file compression format that uses the DEFLATE algorithm. It is widely used for compressing single files and is the standard for HTTP content encoding on the web.

GZIP vs ZIP — what is the difference?

GZIP compresses a single file into a .gz archive, while ZIP can compress multiple files into one archive. GZIP generally achieves better compression ratios for single files.

How much compression can I expect?

Text files typically compress by 60-80%. Already-compressed files (images, videos) see little additional reduction.

Is this GZIP compressor free?

Yes, completely free with no limits. Compress as many files as you need, no registration required.

Compress GZIP

Compress files to GZIP format. Fast, lightweight compression for single files.

or drop files here

Maximum file size: 500MB per file

Related Tools

Compress BZ2

Compress files to BZ2 format in your browser. High compression ratio with WebAssembly-powered processing.

Compress XZ

Compress files to XZ format in your browser. High compression ratio with LZMA2 algorithm via WebAssembly.

Compress 7Z

Compress files to 7Z format with high compression ratio. WebAssembly-powered browser-based processing.

Decompress GZIP

Decompress GZIP files in your browser. Extract .gz files instantly and download the original content.

Compress TAR.GZ

Create TAR.GZ archives from multiple files in your browser. Combines TAR archiving with GZIP compression.

Compress TAR.BZ2

Create TAR.BZ2 archives from multiple files in your browser. Combines TAR archiving with BZ2 compression via WebAssembly.

Learn more about this tool

About GZIP Compression

GZIP is one of the most widely used compression formats, powering web compression (HTTP Content-Encoding), log file compression, and software distribution. It uses the DEFLATE algorithm for efficient single-file compression. Our tool processes everything in your browser — your files never leave your device. Whether you are optimizing for the NBN, preparing myGov submissions, or sharing files across Australia's vast distances, this tool keeps your files light and quick to transfer — even on regional, fixed-wireless, and satellite connections, with no upload required.