Compress PDF
Reduce PDF file size with adjustable quality. Set a target size or use the quality slider.
Drag & drop a PDF here
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Compress PDF Online Free — Reduce PDF File Size
Reduce the size of your PDF files without losing readability. CompressEazy's PDF compressor renders each page, re-encodes it at your chosen quality, and rebuilds a smaller PDF — entirely in your browser. No file upload, no cloud processing.
Compress PDF to a Specific Size
Need to get a PDF under 100 KB, 200 KB, or 1 MB for an email attachment or form upload? Enable Target Size mode and enter your desired file size. The compressor will automatically find the right quality level to hit your target.
Adjust Quality Manually
Use the quality slider to control the trade-off between file size and visual clarity. A quality of 60–70 % typically reduces file size by 50–80 % while keeping text and images perfectly readable.
Preserves Page Dimensions
Unlike some PDF compressors that resize pages, CompressEazy preserves the original page width and height. Your compressed PDF will look identical to the original when printed or viewed at 100 % zoom.
100 % Private — No Server Upload
Your PDF is processed entirely in your browser using PDF.js and jsPDF. The file never leaves your device, making this tool safe for contracts, tax documents, medical records, and other sensitive files.
How to Compress a PDF
- Click Choose PDF or drag and drop your PDF file.
- Adjust the Quality slider or enable Target Size and enter a limit.
- Click Compress PDF to start processing.
- Review the size reduction, then click Download to save.
When to Compress a PDF
Common scenarios include shrinking scanned documents for email, reducing PDF size for web upload forms (job applications, visa forms, university submissions), or compressing photo-heavy reports and presentations for faster sharing.
Related Tools
- Images to PDF — combine multiple images into a single PDF document.
- PDF to Images — extract each page of a PDF as a separate image file.
- Compress for Email — optimize images to meet email attachment size limits.
- Compress Image to 100KB — compress images to specific size targets for form uploads.
Frequently Asked Questions
How does PDF compression work?
The tool re-renders each page at your chosen quality and re-assembles a smaller PDF. This optimizes embedded images, which are typically the largest component.
Is my PDF data safe?
Yes — all processing happens in your browser using PDF.js and jsPDF. Your PDF never leaves your device. No upload, no server storage.
Can I compress to a specific size?
Yes! Enable Target Size mode and enter your limit (e.g., 100KB, 500KB, 1MB). The compressor automatically adjusts quality to hit your target.
Will compression affect text quality?
Text is re-rendered at full page resolution, so it stays sharp. Quality reduction primarily affects embedded images and photographs.
What is the best quality for PDF?
70–80% for general documents, 60% for text-heavy PDFs, 80–90% for image-heavy reports and presentations.