Does PDF compression damage quality?

It depends on the level. Low is nearly lossless; high may soften image-heavy PDFs somewhat.

Which PDFs compress best?

PDFs full of scans and photos. Text-only PDFs are already lean, so they shrink much less.

Reduce your PDF file size. Especially effective for image-heavy PDFs.

Drag a PDF here, or click to browse

PDF up to 50MB

Up to 50MB · 1 file

Shrink scan-heavy PDFs that exceed email attachment limits before sending.
Stuck at an upload size cap on a portal or intranet? Compress the PDF and make the deadline.
Pick a compression level (low, medium, high) to balance quality against size for the situation.

: It depends on the level. Low is nearly lossless; high may soften image-heavy PDFs somewhat.
: PDFs full of scans and photos. Text-only PDFs are already lean, so they shrink much less.