Compress PDF

Reduce PDF size while keeping quality

Free online PDF compressor: reduce PDF file size while keeping quality. Choose your compression level and download instantly from your browser — no install required.

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Your files are processed securely and automatically deleted.

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Compression level

Strong compression

Typically about 30–65% smaller — strongest squeeze; scanned PDFs can exceed this; results vary.

Medium compression

Typically about 15–40% smaller — balanced quality and size; varies by content.

Light compression

Typically about 5–20% smaller — best quality; actual savings depend on the PDF.

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Compress PDF — frequently asked questions

Yes. You can compress PDF files online for free in your browser with no account required.

It depends on the level. Light compression keeps quality nearly intact, while strong compression reduces size more with a slight impact on images.

Files are processed only to compress them, then removed automatically. We do not share them with third parties.

Yes. The tool is responsive and works on modern phones and tablets (Android and iPhone).

Strong reduces size up to 65% but may lower image quality. Medium balances size and quality. Light reduces size slightly while fully preserving quality.

Compress PDF

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Compression level

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