PDF Compressor

Compress PDF

Reduce PDF file size online. Select a compression level to optimize your document.

or drop PDF here

Processed entirely in Browser RAM • 100% Private

Professional PDF Optimization Technology

Efficient document management relies on balancing file size with visual integrity. Our **PDF Compressor** utilizes advanced client-side rasterization to strip away unnecessary binary metadata and downsample high-resolution assets that contribute to "file bloat."

Adaptive Downsampling

Unlike static compressors, UniFile Hub uses adaptive DPI scaling. By rendering your document pages at an optimized resolution before re-encoding them, we achieve significantly higher compression ratios than standard quality-only tools. This is ideal for scanned records and image-heavy presentations.

Local Privacy Standard

Security is paramount when handling sensitive PDFs. By performing all binary manipulation directly in your browser's local memory, we ensure your personal data never touches a remote server. This creates a "Zero-Trust" environment for your most important documents.

Finding the Best Compression Level

If you are archiving high-fidelity documents where text sharpness is critical, use the **Recommended** setting. For documents that need to be emailed or uploaded to portals with strict size limits, the **Extreme** setting forces aggressive resolution reduction.

UniFile Hub is a suite of professional tools built by Rajani Kanta Dolai. Focused on speed, privacy, and user experience.