Compress PDF
Reduce PDF file size, keep quality
PDFUpload a PDF file to compress
Drop PDF file here or click to browse
Compress PDF
Reduce PDF file size, keep quality
- Reduce size keep readable quality
- Choose High / Medium / Low
- Instant local private processing
- Ideal for email size limits
- Offline after first load
- No watermarks or tracking
Processing is 100% local in your browser. No uploads • No watermarks • Offline capable.
Compress PDF
Compress PDF files to reduce their size while maintaining good quality. Choose from three compression levels to balance file size and quality according to your needs.
- compress pdf
- reduce pdf size
- shrink pdf
- pdf compressor
- optimize pdf
- compress pdf offline
- compress pdf free
4How to compress PDF
- 1
Upload a single PDF file by dragging and dropping or clicking the upload button
- 2
Select your preferred compression level (High, Medium, or Low)
- 3
Click the 'Compress PDF' button to process your file
- 4
Download your compressed PDF with the default filename 'compressed.pdf' or enter a custom name
Frequently Asked Questions
1Is my data secure?
Yes, all PDF processing happens locally in your browser. Your files are never uploaded to our servers.
2How much can I reduce the file size?
Compression results vary depending on the original file content. Text-heavy PDFs compress better than image-heavy ones.
3Can I change the filename before downloading?
Yes, you can enter a custom filename before downloading your compressed PDF.
4Does this work on mobile devices?
Yes, our tool works on all devices including smartphones and tablets.
5Can I use this tool offline?
Yes. After the initial load you can keep using it offline; all PDF processing stays in your browser.
6What if I need to merge PDFs instead?
Try our PDF merge tool to combine multiple PDF files into one document.
Related: Need to merge multiple PDFs? Try our Merge PDFs tool