Compress PDF files online for free

Reduce PDF file size without losing quality

Drag and drop some files here, or click to select files.

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How to compress a PDF online

Reduce the file size of your PDF documents directly in your browser. No uploads, no servers — fully private.

  • Upload the PDF file you want to compress.
  • Choose a compression level that suits your needs.
  • Click Compress PDF to download the smaller file.
  • Compare the original and compressed sizes shown after processing.
Which compression level should I use?
  • Screen: smallest file size, suitable for on-screen viewing and email.
  • Ebook: good balance of size and quality, ideal for digital distribution.
  • Printer: moderate compression, preserves print quality.
  • Prepress: minimal compression, highest quality for professional printing.
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🖥 100% Secure. All conversions happen inside your computer. Your files are NOT sent to any server.

Lightening Fast. All processing happens instantly in your browser, without any queue.