Compress PDF

Reduce your PDF file size with adjustable compression. Pick a preset or fine-tune quality with a custom slider — all processing happens in your browser.

How To Compress a PDF File?

1

Upload PDF

Drag and drop your PDF file or click to browse and select one from your device

2

Choose Quality

Pick a compression preset or use the custom slider to fine-tune the output quality

3

Download

Click "Compress PDF" and download the smaller file instantly

Free & Unlimited

Complete Privacy

No registration

Compress PDFs Online

Reduce the size of any PDF file while keeping readable quality. Everything runs in your browser — your files never leave your device.

No Server Upload

Your PDF is processed entirely in the browser. Nothing is uploaded to any server.

Private & Secure

Your files stay on your device. No data is sent anywhere, ensuring complete privacy.

Instant Processing

Compress your PDF in seconds. No waiting for server processing or file uploads.

PDF Compressor Tool

Reduce PDF size while keeping quality

100% client-side processing

Lightning fast

No uploads needed

Instant download

Works on all devices

Upload any PDF and see a preview of every page before compressing

Choose from three presets or use the custom slider to get the exact balance you need

See the original and compressed size side by side, then download the smaller file

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Completely free!