Compress PDF online

Reduce a PDF's file size by downsampling its images. Choose ebook quality for a good balance, or screen quality for the smallest file.

How much smaller will my PDF get?

Scanned or image-heavy PDFs often shrink 2–10×. PDFs that are mostly text are already compact and shrink less.

Will my PDF still be readable?

Yes — text stays sharp because only embedded images are recompressed. "Print" keeps 300 dpi images, "ebook" 150 dpi, "screen" 72 dpi.