Document Compressor
Compress PDF, Word (DOCX) and PowerPoint (PPTX) files online for free — reduce file size by up to 80%. Smart image compression, XML optimization, no registration required. 100% local processing for privacy.
Multi-Format Support
Compress PDF, Word (DOCX) and PowerPoint (PPTX) files. Auto-detect file format, mix and match for batch processing.
Smart Compression
PDF pages are re-encoded at optimized quality and resolution. DOCX and PPTX files are compressed by optimizing embedded images and XML structure.
DPI Resolution Control
PDF compression automatically adjusts resolution based on the selected quality to balance image clarity and file size.
Quality Control
Adjust JPEG/WebP compression quality from 50% to 95% to find the perfect balance between size and clarity.
100% Local Processing
All compression happens in your browser using WebAssembly. Your files are never uploaded to any server.
Batch Processing
Upload multiple files and compress them all at once. Mix PDF, DOCX and PPTX files, download individually or as a ZIP archive.