Drag and drop your file here
or click to browse
PDF only · Maximum 50 MB · Processing happens in your browser
Reduce Size
Create a smaller version of your PDF.
Three Levels
Choose the right quality and file-size balance.
Browser Processing
Files are processed directly in your browser.
Compress PDF Online
ClearKitPDF lets you reduce the size of PDF files directly in your browser. Choose a compression level, process your PDF, compare the original and compressed file sizes, and download the smaller PDF.
How to Compress a PDF
- Upload your PDF file.
- Choose Low, Recommended, or High compression.
- Click the Compress PDF button.
- Compare the original and compressed file sizes.
- Download your compressed PDF.
Is ClearKitPDF PDF Compression Free?
Yes. ClearKitPDF provides this PDF compression tool for convenient document size reduction without requiring a desktop PDF application.
Are My PDF Files Uploaded?
The compression process is performed directly in your browser. The tool does not require uploading your PDF to a ClearKitPDF server for the compression operation.
About compression
This browser version works especially well for scanned and image-heavy PDFs. Some text/vector PDFs may not become smaller because they are rebuilt using compressed page images.
ClearKitPDF · PDF tools made simple.