Compress PDF

Typically 30-70% size reduction depending on the PDF content and compression level. Use the quality slider to balance size vs. quality.

At higher compression levels, the difference is barely noticeable. Lower levels reduce size more but may affect image quality.

No. Your PDFs are processed entirely in your browser. They never leave your device.

We support PDF 1.4 and later. Most modern PDFs work perfectly.

Yes, you can compress multiple PDFs one at a time using the same settings.

Reduce PDF file size while maintaining quality. Works entirely in your browser with no uploads required.

Processed locally in your browser

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Drag & drop or click to browse

How to Use

How much can I reduce a PDF file?

Will compression affect PDF quality?

Are my PDFs uploaded to a server?

What PDF versions are supported?

Can I compress multiple PDFs?