Compress PDF
Reduce file size while maintaining maximum PDF quality — fast, free, and secure.
How to Compress PDF Files Online for Free
1.Click the 'Choose File' button and upload or drag & drop your PDF file(s) into the tool.
2.If needed, rotate pages or add more files before selecting your desired compression level.
3.Select a compression setting that balances size and quality, then click 'Compress PDF'.
4.Once compression is complete, click the 'Download' button to save your optimized PDF file.
FEATURES
Fast
Compress your PDF files in seconds using our high-speed cloud-based compression engine.
Unlimited
Use the PDF compression tool as often as you like — no restrictions or login required.
Fully-Featured
Reduce file size, rotate pages, and choose the perfect compression level for your needs.
Security Guaranteed
Your files are never stored on our servers. All uploaded documents are deleted automatically after one hour.
User-Friendly
Built for everyone — compressing PDF files is as simple as uploading and clicking one button.
Cross-Platform
Access the compressor on any device or browser — Windows, Mac, iOS, Android, or Linux.
Why Compress PDF Files Online?
Large PDF files can slow down sharing, email attachments, and storage — especially when dealing with scanned documents or high-res images. Compressing your PDF reduces the file size without sacrificing readability or quality.
PDFWinner’s online PDF compressor is fast, free, and completely browser-based. No software installation is needed, and your documents remain safe with automatic file deletion. Choose from multiple compression levels to balance file size and quality.
Whether you’re a student, a legal professional, or someone managing documents on the go, our tool offers a simple and secure way to optimize your PDFs. Try it today and send lighter, faster, and more efficient files.
TOOLS
Convert To PDF
Convert From PDF
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