Compress PDF
Make large PDFs smaller — without uploading them anywhere. Best for scans and image-heavy documents.
Drop a PDF here or click to choose
Your file is processed on your device only.
Your file is processed on your device only.
🔒 Processed entirely on your device. Note: pages are rebuilt as optimized images, so this is best for scanned or image-heavy PDFs (selectable text becomes part of the image).
How to compress a PDF
Drop a PDF above, choose a quality level, and click Compress PDF. Cloudless renders each page, re-encodes it as an optimized image, and rebuilds a smaller PDF — all in your browser. Nothing is uploaded.