Free Online PDF Compressor
Reduce PDF file size securely in your browser. Choose presets, select pages, and manage metadata.
Drop your PDF here
Compress PDF files up to 90% while maintaining quality. All processing happens in your browser.
🔒 Your PDF is processed entirely in your browser. We never see or store your files.
Compress PDF Files Without Uploading
Oversized PDFs are difficult to email, slow to download, and expensive to store. SnapScan's free PDF compressor shrinks document file sizes by up to 90% while keeping text sharp and images readable—all processed privately in your browser.
Select specific pages, rotate misaligned scans, edit metadata, and choose compression presets tuned for web sharing, eBooks, or print. Combine with our image compressor when your PDFs contain large embedded photos that need separate optimization.
PDF Compression Features
Our PDF compressor gives you granular control over output quality. Web presets prioritize small file sizes for email and web downloads. Print presets balance compression with higher fidelity for professional documents. You can preview compression results before downloading the final file.
- Up to 90% file size reduction
- Page selection and rotation tools
- Metadata editing (title, author, keywords)
- Multiple compression presets for different use cases
- 100% browser-based—no file uploads
When to Compress PDF Files
Students submitting assignments, freelancers sending portfolios, and businesses sharing contracts all benefit from smaller PDFs. HR departments compress onboarding packets, real estate agents shrink property brochures, and researchers share papers without hitting attachment limits.
For marketing teams creating QR-linked documents, generate a code with our QR code generator and pair it with a compressed PDF for fast mobile downloads. Protect sensitive PDFs with strong credentials from our password generator.
Secure Document Processing
Legal contracts, financial statements, and medical records should never be uploaded to unknown servers. SnapScan keeps every byte on your device. Review our terms of service and cookie policy to understand how we protect your privacy across all tools on snapscan.pro.
Frequently Asked Questions
How do I reduce PDF file size?
Upload your PDF, choose a compression preset, optionally select pages, and click Compress to download the optimized file.
Can I compress PDF without losing quality?
Use the Print High or Prepress presets for minimal quality loss while still reducing file size.
Is PDF compression safe and private?
Yes. SnapScan compresses PDFs entirely in your browser. Your documents never leave your device.
Is there a file size limit?
Limits depend on your device memory and browser. Most modern devices handle multi-megabyte PDFs without issue.