PDF COMPRESSOR
PDF Compressor
Compress PDF file size by optimizing embedded streams, removing redundant objects, and re-encoding structures.
- Stream and dictionary re-compression
- Three optimization presets: Balanced, Strong, Maximum
- Live size reduction percentage calculation
- Safe non-destructive structural deduplication
- Fast client-side in-browser optimization
Tip
PDF files are processed directly in your device memory with zero server uploads.
How It Works
3 simple steps01
Upload PDF
Select the large PDF file you wish to shrink.
02
Select compression mode
Choose your desired compression balance.
03
Download compressed PDF
Save the optimized document with verified size savings.
Frequently Asked Questions
PDFs that only contain plain vector text or have already been heavily compressed by professional tools have little redundant data to remove without lowering image resolution.
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Your files are processed locally in your browser. No data is uploaded to any server.