Compress PDF
Reduce PDF file size while keeping quality
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Frequently Asked Questions
How much can a PDF be compressed?
Image-heavy PDFs can shrink 30% to 70%. Text-only PDFs may shrink only 10% to 20% since text is already compact.
Will compression reduce image quality?
Light and Medium modes keep text perfectly sharp. Strong mode re-renders images at 100 DPI with JPEG quality 0.6 — visible only on close inspection.
Why is my PDF not getting smaller?
If the PDF is mostly text, fonts are already optimized. Already-compressed PDFs (e.g. scanned images) may shrink very little.