Shrink large PDFs, especially scans and photo-heavy documents, so they fit email limits and upload forms. Choose low, medium or high quality.
Scans and photo PDFs often shrink a lot. PDFs that are mostly text may not shrink much.
No. Compression turns each page into an image, so text can no longer be selected or searched. Keep the original if you need that.
Scanned documents and PDFs made from photos.