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Compress PDF

Reduce file size while maintaining quality

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Free to start Works offline No upload required

How It Works

Choose a PDF from your device

Balance size vs quality

Save your finished PDF

Your files never leave your device. No uploads, no servers, no tracking.

No upload wait times. Processing starts instantly on your device.

Everything processes locally. Your files never touch our servers.

Results vary by content, but most PDFs compress 40-80%. Image-heavy documents see the largest reductions.

ModernPDF offers multiple compression levels. The balanced setting maintains excellent visual quality while significantly reducing file size.

Yes. All compression happens locally in your browser. Your file is never uploaded to any server.