Compress PDF
Upload a PDF and compress it by stripping redundant objects and unused data. Reduces file size while preserving content. All processing happens in your browser — files never leave your device.
How It Works
Upload
Drop your files or click to browse.
Process
Everything runs in your browser. Files never leave your device.
Download
Get your result instantly.
Frequently Asked Questions
How does PDF compression work?
The tool rebuilds the PDF structure, removing redundant objects, unused data, and optimizing internal storage with object streams. Content and visual quality are preserved.
How much can the file size be reduced?
Compression ratios vary depending on the PDF content. Documents with redundant internal structures may see 10–50% reduction. Already-optimized PDFs may not shrink significantly.
Will compression affect text or image quality?
No. This tool performs lossless structural optimization. All text, images, and formatting remain identical to the original.
Can I compress password-protected PDFs?
The tool attempts to load encrypted PDFs, but some heavily protected files may not be processable. Standard password-protected PDFs are typically supported.