Extreme PDF Compressor
NewApply maximum compression to your PDF files for the smallest possible file size. The Extreme PDF Compressor uses aggressive image downsampling, font subsetting, and stream compression to achieve reductions of up to 90% on image-heavy PDFs. Unlike the standard Compress PDF tool, this targets maximum size reduction at the expense of some visual quality — ideal for archiving, sending via email with strict size limits, and uploading to systems with file size restrictions.
Extreme PDF Compressor
Maximum compression — reduce file size by up to 90%.
Upload PDF to Compress
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How to Use Extreme PDF Compressor
- 1Upload your PDF file
- 2Select compression mode: Balanced, Aggressive, or Maximum
- 3Click "Extreme Compress"
- 4Compare original and compressed file sizes
- 5Download the compressed PDF
About Extreme PDF Compressor
Apply maximum compression to your PDF files for the smallest possible file size. The Extreme PDF Compressor uses aggressive image downsampling, font subsetting, and stream compression to achieve reductions of up to 90% on image-heavy PDFs. Unlike the standard Compress PDF tool, this targets maximum size reduction at the expense of some visual quality — ideal for archiving, sending via email with strict size limits, and uploading to systems with file size restrictions.
Your Privacy is Protected
Extreme PDF Compressor runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.
Frequently Asked Questions
How is this different from Compress PDF?
Extreme PDF Compressor uses more aggressive settings — downsampling images to lower resolutions and applying higher compression ratios. Standard Compress PDF balances quality and size.
Will text still be readable?
Yes, text is always preserved with lossless compression. Only embedded images are aggressively compressed.
How much can I compress a PDF?
Image-heavy PDFs can see 70-90% reduction. Text-only PDFs typically reduce 20-40%.
Why Use This Tool?
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