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Compress PDF
Slim down your PDF: lossless optimization or high-compression redraw — your choice
🔒 Local · no uploadsFree & unlimitedTwo modesLive size comparison
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Drop files here, or click to select
How to choose a compression mode
- Lossless: keeps text selectable and copyable — ideal for files with structural redundancy (e.g. repeatedly edited and saved);
- Balanced: redraws each page as a high-quality image, typically cutting size by 50–80% — the best daily choice for sharing;
- Extreme: lowers resolution further — for reading on a phone screen or strict email attachment size limits.
Privacy
Compression runs entirely in your browser — files never touch any server. For large files, speed depends on your device; please be patient.