Back to tools

Free online PDF tool

Compress PDF Online

Optimize PDF structure for easier sharing while keeping the workflow simple and private. For best results, start with a file under 25MB.

No signup required for everyday PDF work
Automatic file deletion after processing
Mobile-first upload and download flow
Clear 25MB browser-processing limit

How to use Compress PDF

  1. 1. Upload your PDF.
  2. 2. Run compression in the browser workflow.
  3. 3. Download the optimized PDF.

Private by default

SavePDF is built for sensitive documents. HTTPS is enforced by the hosting layer, accounts are optional for browser tools, and temporary files are deleted after the processing window.

Compress PDF FAQ

Why is my compressed PDF not much smaller?

Some PDFs are already optimized or mostly text. Image-heavy scanned PDFs usually have the most room for size reduction.

Can I compress PDFs for email?

Yes. The tool is designed for common email, form-upload, and sharing workflows where smaller PDF files are easier to send.

Is Compress PDF free to use?

Compress PDF is available as a free online PDF tool for common document tasks. You can upload a file, process it, and download the result without creating an account.

Are my files private when I use Compress PDF?

SavePDF uses encrypted transfers and deletes temporary processing files after 1 hour. Your documents are used only to complete the action you request.

Can I use Compress PDF on mobile?

Compress PDF works in modern mobile and desktop browsers, so you can manage documents from a phone, tablet, laptop, or desktop.