Compress PDF Online Free — Reduce PDF File Size
PDFCompress PDF files online for free. Reduce PDF size while maintaining excellent quality. Fast, secure PDF compression with no sign-up required.
Choose how aggressively your PDF should be compressed.
🔒 Privacy: Your PDF is processed securely using encrypted HTTPS and deleted immediately after compression.
⚡ Powered by: iLovePDF — trusted by millions of users worldwide for professional PDF tools.
📉 Compression: File size is reduced while preserving the highest possible document quality.
📦 Maximum file size: 100MB per file.
⏱️ Typical processing time: 10–30 seconds depending on the PDF size and contents.
About the Compress PDF Online Free — Reduce PDF File Size
Our free PDF Compressor reduces PDF file size while preserving the best possible document quality. Whether you're uploading files to websites, sending email attachments or saving storage space, our tool makes PDFs significantly smaller without unnecessary quality loss. Files are processed securely and deleted immediately after compression.
How to Use the Compress PDF Online Free — Reduce PDF File Size
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Upload your PDF by clicking or dragging and dropping.
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Click Compress PDF.
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Wait while your PDF is optimized.
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Your compressed PDF downloads automatically.
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Use your smaller PDF for email, uploads or sharing.
Frequently Asked Questions
How much can a PDF be compressed?
Compression depends on the contents of the PDF. Image-heavy documents usually shrink much more than text-only PDFs. Many files can be reduced by 30–80%.
Will compression reduce PDF quality?
Our compressor is designed to reduce file size while keeping documents readable and maintaining the best possible quality.
Is my PDF secure?
Yes. Files are transferred securely over HTTPS and deleted immediately after processing.
What is the maximum file size?
You can compress PDF files up to 100MB.
Can I compress scanned PDFs?
Yes. Scanned PDFs can also be compressed, although the amount of size reduction depends on the scanned image quality.