Compress PDF
Reduce file size with adjustable compression.
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About Compress PDF
Compression adjusts embedded images and PDF streams to reduce file size. Choose a setting that balances your upload limit against the quality needed for reading or printing.
How it works
- Choose a PDF file.
- Choose balanced, smallest-file or print-quality compression.
- Download the compressed PDF and check the size reduction.
What to know
Already compact PDFs may not become smaller. Compression can reduce image quality, depending on your selected option.
Common questions
Why did my PDF stay the same size?
Some PDFs are already compact or contain little image data. If the processed file would be larger, the original file is returned.
Can compression affect image quality?
Yes. Stronger compression can lower image quality. Compare the preview before using the result for printing or submitting documents.
Documents are cleared when you close the tool or leave the page. Only files you choose to download stay on your device.