PDF Size Compressor

Compress a PDF client-side. This tool renders pages and rebuilds a new PDF using compressed JPEG images — great for reducing size of image-heavy PDFs. Nothing is uploaded to a server.

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Image quality (JPEG): % Scale (render resolution): x Pages:

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Notes & limits

Best for PDFs where pages are primarily images (presentations, scans). For text-only PDFs this approach may increase size.
Scanned PDFs (already images) compress well; native PDFs with vector content may lose fidelity when rasterized.
Large PDFs and high scales can be memory-intensive.