Compress PDF Online
Reduce PDF file size while keeping your document clear, readable, and easy to share.
Drop your PDF file here
Compression Level
PDF Compressed Successfully
Your document has been optimized.
Original
0 KB
Compressed
0 KB
Saved
0%
Compression failed
We couldn't compress this file.
Reduce PDF Size Without Rebuilding Your Document
ScanPDF optimizes the PDF structure and supported resources while keeping the original document format intact.
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Structural optimization and garbage collection
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Stream and object deflation
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Image recompression and downsampling
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Measured size savings calculated instantly
What ScanPDF Preserves
Compression shouldn't mean destruction. Our smart PDF optimizer ensures your document remains fully functional.
Page Structure
Page count, page order, and page dimensions remain exactly as you uploaded them.
Document Content
Text, graphics, and images remain readable. Selectable text stays selectable.
Page Layout
Portrait or landscape pages, and original positioning of elements are safely preserved.
PDF Usability
The output is a readable, fully valid PDF structure that can be instantly downloaded.
How to Compress a PDF
Select Your PDF
Choose or drop the PDF you want to reduce.
Choose Compression
Select a compression level. We suggest Recommended for best balance.
Compress the PDF
Click COMPRESS PDF and allow ScanPDF to optimize the document.
Download the Result
Review the size reduction and download the compressed PDF.
Designed for Different PDF Documents
Reports
Reduce large reports for easier email sharing and archiving.
Scanned PDFs
Optimize image-heavy scanned documents efficiently with high compression.
Business
Compress proposals, statements and office PDFs for your clients.
Study Materials
Reduce notes, handouts and learning documents for easier storage.
Why Use ScanPDF Compress PDF
A simple, effective, and measured approach to PDF size optimization.
Simple Compression Flow
Upload, compress and download. No complicated settings required.
Measured Size Reduction
Compare the actual original and output sizes immediately.
Document-Aware
Compress the PDF without unnecessarily rasterizing the complete document.
Direct PDF Download
Download the verified compressed PDF immediately after processing.
Get the Best Compression Result
How to Compress PDF
Upload or Enter Data
Provide the required input for the Compress PDF tool.
Process
Our servers will execute the requested action.
Download
Instantly retrieve your final result.
About Compress PDF
The Compress PDF is a specialized online tool built to help you easily manage and process your files. Reduce PDF file size without compromising document quality. Whether you are a student, a professional, or just an everyday user, this tool simplifies complex tasks so you can get work done faster.
Managing PDFs shouldn't require expensive desktop software. Our tool provides a straightforward, secure way to handle your PDF documents entirely online.
Reduce PDF File Size
Compress PDF documents to create smaller files.
Maintain Usable Quality
Reduce file size while keeping document quality suitable for normal use.
Easier File Sharing
Create smaller PDFs that are easier to upload or share.
Compressed PDF Download
Download the optimized PDF after processing.
Frequently Asked Questions
How do I reduce PDF file size?
Upload your PDF to the compressor tool, and it will automatically optimize images and fonts to reduce the overall size.
Will compressing the PDF ruin the quality?
We use intelligent compression that reduces file size while maintaining readability and visual quality.
Is this tool useful for email attachments?
Yes, reducing the PDF size makes it much easier to attach to emails and share online.
Can I compress scanned PDFs?
Yes, scanned PDFs often contain large images, making them perfect candidates for our compression tool.
Do I need to pay to compress a PDF?
No, our basic compression tool is free to use.