Free online tools to generate, calculate, convert, format, transform, and de/en-code.
 

GZIP Compressor

Compress files using GZIP format. All compression happens in your browser - your files never leave your device.

Select File

Privacy: All compression happens in your browser. No files are uploaded to any server.

How to Use

  1. Click the drop zone or drag a file to select it
  2. Choose your compression level
  3. Click "Compress File"
  4. Download the compressed .gz file

About GZIP Compression

GZIP is a popular compression format used widely on the web and in Unix/Linux systems. It uses the DEFLATE algorithm to reduce file sizes efficiently.

Common Uses

  • Web Assets: Compress CSS, JavaScript, and HTML files for faster loading
  • Log Files: Reduce storage space for server logs and archives
  • Data Transfer: Compress files before transmission to save bandwidth
  • Backups: Reduce backup sizes while maintaining data integrity

GZIP vs ZIP

  • GZIP: Compresses a single file, commonly used with TAR for multiple files
  • ZIP: Can archive and compress multiple files in one container
  • Compatibility: GZIP is native to Unix/Linux, ZIP is universal
Note: GZIP compresses single files. To compress multiple files, use ZIP or create a TAR archive first, then compress with GZIP (.tar.gz).

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