Best practices
- Clean source files first by removing irrelevant pages and duplicates.
- Use balanced defaults first, then increase processing strength only when required.
- Validate output readability on both desktop and mobile before sharing.
Compress PDF
Choose balanced, strong, or print compression to reduce size. See expected output, process fast, and auto-delete by default.
When and how to use Compress PDF
Compress PDF is designed for users who need compress pdf workflows with predictable output and minimal setup friction. This page covers practical execution for page organization and document quality control, so you can complete the task quickly and still keep quality under control.
For stronger results, treat this as an operational workflow instead of a one-click action: upload clean input, verify settings, process once, and validate output before sharing. Common adjacent searches include reduce pdf size, pdf compressor, compress pdf online, shrink pdf, make pdf smaller, which means users often care about both speed and final document quality.
FoxyPDF keeps this process simple with transparent controls, mobile-friendly execution, and privacy defaults such as auto-delete after job completion. If your file is complex or high-stakes, use the related how-to and scenario pages below to troubleshoot edge cases before production use.
Common issues
- Over-compression can reduce image or small-text clarity.
- Range syntax errors can skip required pages.
- Large scans can remain heavy until OCR and cleanup are combined.
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Privacy
- Auto-delete timer after each job
- Manual Delete now control on status page
- No file retention after expiration
Current access
- Unlimited file, page, and range usage
- No plan-based gating
- All current features enabled
Platform status
- Future paid settings are preserved in code
- Paid-access flows are currently disabled
- Single public experience for every user
How it works
- 1. Upload your source file(s) for Compress PDF.
- 2. Adjust settings based on your output goal.
- 3. Start processing and track live progress.
- 4. Download the result and delete files immediately if needed.
Need more detail? Read the full guide.
FAQ
How can I reduce PDF file size without losing quality?
Start with the balanced profile. If size is still large, move to stronger compression knowing image-heavy files can lose some detail.
What's the best compression setting for email vs print?
For email, use Strong or Compress For Email with a target size. For printing, use the Print profile to keep higher visual fidelity.
Why is my PDF still large after compression?
Large scanned images, embedded fonts, or many high-resolution graphics can limit size reduction. Try stronger compression or page-range export.
How do I compress a PDF on mobile?
To use compress pdf online, upload your file, choose Balanced, Strong, or Print compression, then process and download the result.
How can I compress pdf online for email, filing, or portal submission limits?
To use compress pdf online, upload your file, choose Balanced, Strong, or Print compression, then process and download the result.
What is the best way to compress pdf for large PDFs without quality issues?
Compress PDF follows a clear workflow: upload input, configure settings, process, and download output.
Can I compress pdf from mobile with private auto-delete processing?
Yes. Compress PDF works on modern mobile browsers with the same upload, process, and download workflow.