DocuSizer

Compress PDF Online Free

Reduce the size of any PDF for email, upload, or storage. All compression happens in your browser - your file is never uploaded to a server.

🔒100% private. All processing happens in your browser. Your images are never uploaded to any server.

How to Use PDF Compressor

  1. 1

    Upload your PDF.

  2. 2

    Click Compress.

  3. 3

    Download the smaller PDF.

Frequently Asked Questions

How does PDF compression work?

Each page is rendered to an image and recompressed at a lower JPEG quality, then rebuilt into a new PDF.

Will the PDF be searchable?

After compression, text becomes part of the page image and is no longer selectable. Good for scanned documents.

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