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Compress PDF guides
Three short reads: why this matters, how to do it, and one specific way to use it.
Why a Scanned PDF Is So Much Bigger Than It Needs to Be
A phone-scanned PDF isn't heavy because it's a PDF. It's heavy because every page is a full-resolution photo, saved at a quality setting nobody chose on purpose.
Read the guideHow to Shrink a PDF Without Losing Readability
Drop a PDF, pick a preset, and a scanned document typically shrinks a lot - a text-only PDF comes back byte-for-byte unchanged, because a compressor that blindly rebuilds every file can make one larger instead.
Read the guideRecommended or Smallest File: Picking a PDF Compression Preset for an Upload Limit
One preset keeps pages looking identical at normal size. The other pushes further for the smallest possible file. Which one to reach for depends on whether there's an actual size limit to clear.
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