Compress PDF

Reduce PDF file size in your browser and compare the original size, compressed size, and savings.

Files are not uploaded to a server. PDF compression runs locally in your browser.

Drag a PDF file here or click Choose file.

Select one PDF file • Clipboard paste (Ctrl+V) supported

When you need a smaller PDF

Choose a PDF, compare the file size before and after compression, then download the compressed result.

Supported tasks

  • Reduce the size of one PDF file
  • Compare original and compressed file size
  • Review the percentage saved after compression
  • Download the compressed PDF file

Use it when

  • A PDF is too large to send by email or chat
  • You need to fit an upload size limit
  • You want scanned documents to take less storage
  • You want to check the actual file-size savings before sharing
  • You prefer browser-local PDF compression without server uploads

How to compress a PDF

  1. Select one PDF file to reduce.
  2. Review the original file size.
  3. Start compression and wait for browser processing to finish.
  4. Check the compressed size and savings, then download the PDF.

Selected PDFs are not uploaded to a server. Compression runs locally in your current browser.