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PDF Compressor

Reduce PDF file size in your browser and choose how strongly you want to compress it.

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How to use PDF Compressor

  1. 1Select your PDF.
  2. 2Choose the compression level you want and compress the PDF.
  3. 3Compare the original and compressed size, then download the result.

Useful tips

  • •Start with Medium compression, then use stronger compression only if you need a smaller file.
  • •Compare the new file size with the original before replacing your source document.
  • •Keep the original PDF if the document is important, especially before using stronger compression.

Frequently asked questions

Are my PDFs uploaded?

No. Compression runs in your browser.

Why might the file not get much smaller?

Some PDFs are already heavily compressed, especially image-based files. Wid9et keeps the smaller result instead of giving you a larger file.

Does stronger compression affect quality?

Yes. Medium, High and Maximum can reduce image sharpness and may flatten selectable text into page images.