Scans shrink a lot
A photographed or scanned document is already pixels. Re-rendering it at a lower resolution routinely cuts the file by 70 to 90%.
On-device PDF bench
PDF tools that never see your PDF.
Merge, split, rotate and compress, all inside this tab. Contracts, medical records, financials and anything else you would rather not hand to a stranger's datacenter stay on your own machine.
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Converting a PDF instead?
What compression actually does
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Text PDFs do not
Text is stored as vector instructions, which are far smaller than any image of that text. Rasterising one makes it bigger.
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So we tell you
If compression would grow your file, we keep the original and say so, rather than handing back something worse and calling it optimised.