Compress PDF
Optimize your PDF files with smart compression.
Drag and drop files here
Or Import From
This tool uses WebAssembly (WASM) to process your PDFs directly in your browser. No files are uploaded to our servers, keeping your data 100% private and secure.
Upload a single file • Max 1 GB
How to Use This Tool
Upload PDF
Drag & drop your file or click to browse.
Choose Mode
Select "Recommended" for most files, or "Custom" for specific size limits.
Download
Get your perfectly optimized PDF file instantly.
Compress PDF: Reduce File Size Without Losing Quality
Large PDF files can be a major headache. They clog up your email inbox, take forever to upload, and can even be rejected by portals with strict file size limits (like job application sites or government portals). Our PDF Compressor solves this problem instantly by optimizing your files to the smallest possible size while maintaining excellent quality.
How Does PDF Compression Work?
PDF files often contain high-resolution images, embedded fonts, and hidden metadata that bloat their size. Our smart compression algorithm:
- Resamples Images: It intelligently reduces the DPI of images to a web-friendly standard (usually 72-144 DPI) without making them look pixelated.
- Removes Unused Objects: It cleans up the internal structure of the PDF file.
- Optimizes Fonts: It ensures only the necessary font characters are embedded.
Best Use Cases for Compression
You should compress your PDF if you are:
- Emailing Attachments: Gmail and Outlook have 25MB limits. Compressing can Shrink a 50MB report down to 5MB.
- Archiving Documents: Save disk space on your computer or cloud storage.
- Web Publishing: Smaller PDFs load faster for your website visitors, improving SEO and user experience.
Free & Private
Just like our other tools, this service is completely free and respectful of your privacy. Your files are processed securely and are never shared with third parties. Try it now—just drag, drop, and shrink!
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