Compress PDF
Reduce PDF file size online for free. Shrink large PDFs for email and uploads while keeping text crisp and readable. No watermark, no sign-up.
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About Compress PDF
Shrink bulky PDFs in seconds. Our free PDF compressor optimises images and fonts inside your document to dramatically reduce file size while keeping it sharp and readable.
How to use Compress PDF
Upload your file by dragging it into the box above or clicking to browse — files up to 100MB are supported.
Compression starts automatically and runs securely in your browser, so your files never leave your device.
Preview the result, then click Download to save the converted file.
About Compress PDF
Shrink bulky PDFs in seconds. Our free PDF compressor optimises images and fonts inside your document to dramatically reduce file size while keeping it sharp and readable.
It's completely free with no limits and no registration, and like every tool on this site it's built to be fast, private and simple enough to use on any device.
Frequently Asked Questions
How much can you compress a PDF?+
It depends on the original file, but reductions of 40–80% are common while keeping quality high.
Is it free?+
Yes, completely free with no limits, watermarks or registration.
Are my files private?+
Yes. Files are processed securely and automatically deleted shortly after.
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