PDFSwitch AI

Compress PDF

Reduce PDF file size while keeping quality high.

  • 🔒 Files deleted after 1 hour
  • ⚡ Secure 256-bit SSL
  • ⭐ 4.8/5 from 12k+ users

How to compress pdf

  1. Upload your PDFDrop in the file you need to shrink.
  2. CompressWe optimize images and structure to cut size while keeping quality.
  3. DownloadGet a smaller PDF — perfect for email and uploads.

Frequently asked questions

How much smaller will my PDF be?

Typical compression cuts size by 50-80% depending on the source.

Will quality drop?

We balance size and quality so text stays sharp and images look good.

Are scanned PDFs supported?

Yes — image-based PDFs see the biggest savings.

Is there a file size limit?

Up to 100 MB per file.