How to Compress PDF for Scanned PDF
Scanned PDF files are often very large due to high-resolution images. Here is how to compress a scanned PDF while keeping the text readable.
Why scanned PDFs are so large
Each scanned page is stored as an image, which increases file size significantly compared to text-based PDFs.
The best solution: optimize scanned images
Smart compression reduces image resolution and removes unnecessary data while preserving readability and document clarity.
Compress PDF NowHow to compress a scanned PDF
- Open the Compress PDF tool
- Upload your scanned PDF file
- Apply compression settings
- Download the reduced PDF file
Why scanned PDFs are larger
Scanned documents contain high-resolution images that increase file size significantly.
How to reduce image-heavy PDF files
Image optimization and downscaling reduce size while keeping text readable.
OCR and compression
Applying OCR can make scanned PDFs searchable without increasing size.
Explore the full collection of tools in the PDF Size Problems.
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Related PDF Size Use Cases
- Reduce PDF size for WhatsApp
- PDF too large for email
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- PDF too large to upload
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- PDF too large for Google Forms
- PDF too large for Moodle
- PDF too large for Google Drive
- Compress PDF without losing quality
- Compress PDF under 1MB
- Reduce PDF size without changing dimensions
- Compress PDF for job application
- Compress PDF for university submission
- Compress PDF for government forms
- Compress PDF without software
- Compress PDF for mobile
- Compress PDF for slow internet
- Compress PDF for printing
- Compress PDF before uploading online