Shrink your PDF output size with structural optimization. All processing is 100% private and happens in your browser.
Our PDF compression tool reduces file size by optimizing the PDF's internal structure and applying smart image downsampling. Choose between three levels of optimization: Low (Best Quality), Recommended (Balanced), and High (Smallest Size). Unlike other online tools, we utilize WebAssembly to perform all calculations locally in your browser. This means your private documents are never sent to a third-party server, ensuring 100% privacy and security. The tool is perfect for preparing documents for email attachments, web uploads, or archiving. It strips hidden metadata and redundant objects while keeping your visual content sharp and professional.
Click "Choose a PDF file" or drag and drop your document onto the upload area.
Verify the file name and size in the preview before starting the compression.
Click the "Compress and Download" button to start the optimization process.
Our tool analyzes the PDF structure instantly and generates a smaller version.
Review your savings and download the final optimized file immediately.
Want to learn more? Read our PDF guides and tutorials →