Use PDF compression tools
Reduce image resolution
Convert images to JPEG
Remove unnecessary pages
Delete embedded fonts
Flatten annotations and form fields
Optimize for web viewing
Save as a reduced-size PDF
Use “Print to PDF” with lower quality settings
Compress scanned documents with OCR
Remove hidden metadata
Downsample large images
Split large PDFs into smaller files
Avoid embedding unnecessary media files
Use PDF editing software’s file optimization feature