Compress PDF
Reduce PDF file size for email, messaging, websites and storage without installing software.
Choose compression level
This compression method works best for scanned and image-heavy PDFs. Pages are rebuilt as images, so selectable text, links or interactive forms may be flattened.
PDF compression complete
How do I reduce PDF file size online?
Choose your PDF, select a compression level and JubKub will process each page and rebuild a smaller PDF that you can download immediately.
How to compress a PDF
- Choose the PDF you want to compress.
- Select the compression level.
- Click Compress PDF.
- Compare the original and new file sizes.
- Download the compressed PDF.
No server upload required
Processing happens locally inside your browser, so the document does not need to be sent to an external JubKub server.
Which PDF compression level should I use?
Start with High Quality for small text, charts and detailed documents. Recommended mode is suitable for most scanned documents and image-heavy PDFs.
What PDFs work best with this compressor?
This tool is particularly useful for scanned documents, image-based PDFs and documents that need to be reduced before email or messaging.
Processed on your deviceYour PDF does not need to be uploaded to a JubKub server.