Data compression david salomon pdf

Does PDF use lossy or lossless compression?

Is PDF lossy or lossless? Sometimes, PDF files need to be converted to and from JPG (lossy) or PNG (lossless) formats.
As PDFs create exact replicas of the files you want to duplicate, they're lossless, but bear in mind if you're converting to or from JPGs, the images might be lower quality than if you used PNGs..

What type of compression does PDF use?

PDFs use the following compression algorithms: LZW (Lempel-Ziv-Welch) FLATE (ZIP, in PDF 1..

1. JPEG and JPEG2000 (PDF version 1
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