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Reduce PDF file size without losing quality. Perfect for email attachments and web uploads. Multiple compression levels available.
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Supports: PDF • Max: 100MB
Compress PDF reduces the file size of your PDF documents while preserving optimal visual quality. PDFMate uses advanced compression algorithms to downscale high-resolution images, flatten unnecessary metadata, and pack object streams.
By compressing embedded JPEGs with optimized quantization and re-encoding Flate streams, large PDF files can be shrunk significantly, making them easy to share via email or web portals.
Choose between High, Medium, and Low compression presets to strike the perfect balance between image resolution and file size savings.
Oversized PDF documents consume unnecessary storage and slow down page loading times on mobile devices. Optimizing stream objects creates lightweight files ready for instant distribution.
Our compression pipeline intelligently preserves vector artwork and embedded typography while focusing byte reduction on oversized raster images.
Understanding Compress PDF is essential for streamlined document management. PDFMate processes pdf files and outputs high-quality pdf documents using modern serverless infrastructure built for speed, precision, and privacy.
All operations performed on Compress PDF execute with 256-bit SSL encryption. Uploaded files up to 100MB are processed 100% in volatile memory and are never stored on server storage or saved to disk.
Whether working on desktop computers, laptops, tablets, or smartphones, PDFMate's responsive web architecture ensures smooth document workflows without requiring software installations or user accounts.
Our Medium preset retains crisp text and clear images for screen reading. Choose High Quality if you intend to print high-resolution graphics.
Scanned documents and graphics-heavy PDFs often see 50% to 80% size reductions. Text-focused PDFs compress slightly less as their baseline size is already small.
You need to unlock the PDF first using our Unlock PDF tool before compressing it.
No. Structural elements like bookmarks, hyperlinks, and form fields remain fully functional after compression.
You can upload PDF files up to 100MB for free online compression.
All files are processed in volatile serverless memory during your active HTTP request and are never written to disk.
Process, merge, and edit PDFs directly on your smartphone.