Tool — Compress
Compress PDF
Reduce file size while preserving quality. Re-renders pages at your chosen DPI & quality — your file never leaves this device.
PDF.js · pdf-lib · Zero upload · Free
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Click to choose or drag a PDF here
Any size · Stays on your device · Free forever
Compression settings
Screen
Smallest · 72 DPI
Email & web sharing
Balanced
Good quality · 150 DPI
General purpose
High quality
Larger file · 300 DPI
Print & archive
Compression complete ✓