Compress PDF Files Online for Free
Reduce the file size of your PDF documents with our free online compressor. Our tool optimizes PDFs while maintaining good quality, making them easier to share via email or upload to websites. No software installation required - compress PDFs directly from your browser.
Why Compress Your PDF Files?
- Email Attachments: Make PDFs small enough to send via email.
- Website Uploads: Meet file size requirements for online submissions.
- Storage Savings: Reduce storage space used by large PDF collections.
- Faster Sharing: Smaller files transfer more quickly over the internet.
- Mobile Friendly: Optimize PDFs for viewing on mobile devices.
How to Compress a PDF
- Upload Your PDF: Click "Choose File" to select your PDF document.
- Set Compression Options: Choose your preferred compression level and image quality.
- Compress: Click the "Compress PDF" button.
- Download: Save your compressed PDF file to your device.
- Clear Data: Optionally delete your files from our server after download.
Compression Techniques Used
- Image Optimization: Reduces image quality and resolution.
- Font Subsetting: Includes only used characters from fonts.
- Metadata Removal: Strips unnecessary document metadata.
- Object Compression: Compresses internal PDF structures.
- Color Space Conversion: Converts images to more efficient color spaces when possible.
FAQs
- Q: Will compression affect my PDF quality?
- A: Some quality loss may occur, especially with high compression. We recommend trying medium compression first.
- Q: What's the maximum file size you support?
- A: Currently we support files up to 50MB. For larger files, consider splitting them first.
- Q: Is my PDF content secure?
- A: Yes! Your files are processed securely and automatically deleted after 1 hour.
- Q: Can I compress password-protected PDFs?
- A: No, our tool cannot process encrypted or password-protected PDF files.
- Q: Does this work on scanned PDFs?
- A: Yes, but compression results will vary based on image content.