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Compress PDF files online for free. Reduce PDF file size by up to 70% while maintaining quality. Perfect for email attachments and web uploads.
Drop PDF file here or click to browse
.pdf, application/pdf • Max 50MB
Upload the PDF document you want to compress
Select your preferred balance between file size and quality
Click the compress button to begin optimization
Save the smaller file to your device
Upload the PDF document you want to compress
Select your preferred balance between file size and quality
Click the compress button to begin optimization
Save the smaller file to your device
Compression typically reduces file sizes by 40-70% depending on image content, resolution, and the compression level you choose. PDFs with many high-resolution images see the most reduction.
No, text remains perfectly crisp and readable. Compression primarily optimizes images and removes redundant embedded data without degrading text quality.
Yes, you can select from low, medium, or high compression. Low compression maintains maximum quality, while high compression achieves smaller files with minor quality tradeoff.
Yes, compressed PDFs maintain full compatibility with all standard PDF readers, browsers, and devices. Only the file size changes, not the PDF format.