Compress PDF

Private & fast. Choose your quality with the slider. If your PDF is vector/text-heavy, use Lossless Optimize to keep text selectable.

How to compress a PDF (Step by step)

  1. 1Drag & drop your PDF above, or click Choose PDF file.
  2. 2Adjust the Output Quality slider.
  3. 3For scanned/photo PDFs, click Compress (Rasterize). For text/vector PDFs, use Lossless Optimize.
  4. 4Download your result. If needed, tweak the slider and recompress.

FAQs

Why can a “compressed” PDF become larger?

If the original is mostly vector/text (very compact), rasterizing pages into JPEG images can increase size. Use Lossless Optimize to keep vector text.

What does Lossless Optimize do?

It re-saves the PDF using compact object streams and strips common metadata, preserving selectable text and links.

Best settings for scans?

50–70% usually preserves readability while shrinking size significantly.