Secure PDF Compressor
Shrink your PDF files without compromising your privacy. Your files are processed entirely in your browser — never uploaded to our servers.
Compress Your PDF
Drop PDF here or click to browse
Best results on scanned documents and image-heavy PDFs. Already-optimized or text-only PDFs may show no size reduction.
How This Keeps You Safe
Most free PDF compressors upload your files to their servers. If you are shrinking invoices, tax documents, or legal contracts, you are trusting a random server with highly sensitive personal data.
This tool uses PDF.js and jsPDF — both running as WebAssembly in your own browser. Your files are processed entirely in device memory. Zero bytes are transmitted to our servers.
What This Tool Does
- Renders each PDF page to a canvas element
- Re-encodes images at your chosen quality level
- Rebuilds a new optimized PDF using jsPDF
- Downloads result directly to your device
Supported Files
Any standard PDF file. Works best on PDFs containing scanned images, photos, or embedded graphics.
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