Excel XLSX Compression

Compress Excel spreadsheets to reduce file size using lossless optimization.

Drop your files here

Drop your XLSX files here

Compression Options

This format is optimized using leanify lossless compression technology.

About XLSX Format

XLSX is Microsoft Excel's default format since 2007. It's based on XML with ZIP compression. Our tool uses leanify to optimize the archive structure for smaller file sizes.

XLSX Compression Features

  • Lossless compression preserves all data
  • Optimizes internal XML and resources
  • Formulas and formatting preserved

How to Compress Documents

  1. Upload your document file
  2. Choose compression quality (for PDF)
  3. Download the compressed document

Supported Formats

Also compress other formats:

PDF PPTX DOCX XLSX EPUB FB2 ODT ODS ODP ODB ODG ODF