Pick a compression level and we'll shrink the file size of your PDF. Best results on scanned documents and image-heavy files.
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Each page is re-rendered at an optimized resolution and quality level, which usually cuts file size significantly — especially for scanned or image-heavy PDFs.
No — to achieve strong size reduction, every page is converted into an optimized image. If you need to keep selectable text, try the PDF to ZIP tool instead, which keeps real vector pages.
You'll be offered a £1 one-off unlock for the rest of the day, processed securely through Stripe.
No. Compression happens entirely in your browser — nothing is sent to a server.