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Compress, Optimize and Repair PDFs

Use these tools when a PDF is too big to send, slow to open online, has inconsistent page sizes or will not open at all.

PDFYork's compressor is lossless: it compresses and tidies the file structure but does not downsample images, so it helps most with exported documents and least with scans.

Which tool do I need?

ToolUse it when
Compress PDF Without Losing QualityThe file is too large for email or an upload portal.
PDF LinearizeThe PDF will be viewed in a browser and should show the first page before fully downloading.
Fix PDF Page SizePages have different sizes and need to be standardised, for example to A4.
PDF Page DimensionsYou need to check the exact size of each page before printing.
Repair PDF FileA PDF shows errors or will not open.
Remove PDF RestrictionsA file opens normally but blocks printing or copying, and you are entitled to change it.

Common workflows