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Compress PDF

Reduce your PDF file size in seconds with our free online PDF compressor. Shrink large PDFs for easier sharing and uploading while maintaining maximum quality — no software installation, no signup, and no watermark required.

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Select or Drop PDF File

Choose a PDF file to compress and reduce its size.

Compress PDF Online – Reduce PDF File Size Free

Compress PDF files online in seconds with our free PDF compressor. Reduce large PDF file sizes for easier sharing, emailing, and uploading, while maintaining maximum quality — directly in your browser, with no software installation, no signup, and no watermark.

How to Compress a PDF File

  • Upload your PDF file – Click "Upload" or drag and drop your PDF into the tool.
  • Choose compression level – Select your preferred balance between file size and quality.
  • Compress the file – Click "Compress PDF" and let the tool reduce your file size instantly.
  • Download your compressed PDF – Click "Download" to save your smaller, ready-to-share file.

    • Why Use Our Compress PDF Tool?

  • Fast & Easy – Reduce PDF file size in seconds with a single click.
  • Maximum Quality Retained – Compress your PDF while keeping text and images sharp and readable.
  • Free, No Signup Required – Compress as many PDF files as you need, completely free.
  • Privacy First – Your files are processed securely and automatically deleted after processing — we never store or share your documents.
  • Works on Any Device – Compatible with desktop, mobile, and tablet browsers, no app download needed.

    • Related Tools

  • Split PDF – Separate or extract pages from a PDF file.
  • Edit PDF – Add text, comments, or drawings to your PDF.
  • HTML to PDF – Convert HTML code or files into PDF documents.

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    Frequently Asked Questions

    Quick answers about Compress PDF

    5 FAQs

    Upload your PDF, choose your preferred compression level, click "Compress PDF," and download the smaller file — no signup or software needed.

    Our tool is designed to reduce file size while maintaining maximum quality, so text and images stay sharp and readable.

    File size reduction depends on your PDF's original content, but most documents can be significantly compressed, especially those with large images.

    No signup or installation is required. This online PDF compressor works directly in your browser on any device.

    Our tool supports most standard PDF file sizes for quick and easy compression.

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