Free PDF Compressor Online
Reduce your PDF file size while maintaining quality. Fast, free, and secure compression.
Drag & drop PDF file or click to upload
Supports .pdf files
Why Compress Your PDFs?
High Compression
Reduce PDF file size by up to 90% while maintaining document quality and readability.
Preserve Quality
Smart compression algorithms maintain text clarity and image quality in your PDFs.
Fast Processing
Compress PDFs in seconds. Upload, compress, and download your optimized file instantly.
Secure & Private
Files are encrypted during transfer and automatically deleted after compression. Your privacy is protected.
How to Compress PDFs
Upload PDF
Easily drag & drop or select your PDF file using the upload area. Files up to 100MB supported.
Compress File
Your file is securely compressed using optimized algorithms that balance size and quality.
Download Result
The compressed PDF downloads automatically. See the size reduction and share easily.
Frequently Asked Questions
Is the PDF compressor really free?
Yes! Our PDF compressor is completely free with no limits on file size or number of compressions. No subscription or payment required.
How much can you compress a PDF?
Compression varies by file content, but typically reduces file size by 40-90% while maintaining quality. PDFs with many images compress more than text-only documents.
Will compression reduce PDF quality?
Our smart compression maintains visual quality while reducing file size. Text remains crisp and images stay clear. We use optimized settings to balance size and quality.
Are my files secure?
Yes. All files are encrypted during upload and processing, then automatically deleted from our servers after compression. We never access or share your documents.
What file size limits are there?
You can compress PDF files up to 100MB in size with our free tool. Larger files may take longer to process but are fully supported.