How to use
Upload your PDF
Drag and drop your PDF onto the upload area, or click to browse.
Choose quality
Pick High, Medium, or Low. Lower quality means a smaller file but JPEG artefacts may appear on photos.
Compress & download
Click "Compress & download". Each page is re-rendered as a JPEG image in your browser — nothing is uploaded.
Frequently Asked Questions
- Is Compress PDF free to use?
- Yes, Compress PDF is completely free. No account, no signup, and no payment is ever required.
- Does Compress PDF send my data to a server?
- No. Compress PDF runs entirely in your browser. Your data is never uploaded to any server — all processing happens locally on your device.