Compress PDF Online

    Reduce PDF file size with adjustable compression — fast and free

    Drag & drop your PDF here

    or click to browse

    How to Compress a PDF File

    Our free PDF compressor reduces your file size while keeping your document looking great. Choose from three compression levels to balance quality and size for email, web upload, or storage — no software required.

    Simple Steps to Compress:

    1. Upload your PDF file by dragging and dropping or clicking to browse
    2. Select your compression level: Basic, Strong, or Extreme
    3. Download your compressed PDF instantly

    Why Choose SimplePDF?

    • 100% free with no hidden costs or subscriptions
    • No registration or email required
    • Three compression levels to suit your quality and size needs
    • Secure processing — files are never stored on our servers
    • Works on any device with a web browser

    Need other PDF tools? You can also merge PDF files, split a PDF, convert PDF to Word, or delete pages from a PDF.