Free PDF Compressor Online – Reduce PDF File Size (No Sign-Up)
Many email providers and online forms reject PDFs over a certain size, and large PDFs are slow to upload or download on mobile. A free PDF compressor shrinks the file size dramatically while keeping the document readable — perfect for resumes, invoices, scanned documents, or reports. How PDF compression works Images inside the PDF are re-encoded at a smaller, web-friendly resolution and quality level. Embedded fonts and unused metadata are stripped out when possible. The page layout and text stay fully intact — only the file size changes, not the content. How to compress a PDF online for free Upload your PDF file — everything is processed locally in your browser, nothing is uploaded to a server. Choose a compression level: light (best quality), balanced, or maximum (smallest file). Preview the new file size before downloading. Download your compressed PDF, ready to email or upload anywhere. When you need a smaller PDF Attaching a resume, portfolio, or contract to...