📉 Compress PDF Online

Reduce your PDF file size while keeping good quality — free, secure, and watermark-free.

Tip: Larger PDFs may take a bit longer to process.

Make PDFs Smaller Without Losing the Details

SmartAssPDF optimizes your documents by compressing images and streams while keeping text crisp. Upload your PDF, pick a compression level, and download a lighter file in seconds — no watermarks.

Frequently Asked Questions

Yes. Compress as many PDFs as you like — it’s free and we never add watermarks to your files.

We reduce size while maintaining readable quality. Choose a lighter or stronger level based on your needs.

Files are processed securely and removed automatically after compression to protect your privacy.