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Lighter, Faster, Better - Decrease PDF Size

Compress PDF Document
in Your Way

Use lossless or lossy compression to help you optimize your PDF. Choose the highest quality or the maximum compression.

How to Compress PDFs
  • 4 Compression Levels

    Choose the output quality from Maximum, High, Medium, and Low

  • Compress PDF on any Device

    Windows, Mac, iOS, or Android, we support them all

  • Compress Multiple File Formats

    Compress PDF, Word, Excel, PPT, PNG, JPG, GIF, and TIFF

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cloud storage for PDF documents minimize PDF size to the size you like

Sharing Compressed
PDF without a Size Limit

Make large PDFs smaller and send them directly with UPDF for maximum portability.

How to Share a PDF
  • 3 Sharing Methods

    Downsize PDF file and share via link, QR Code, and email directly

  • Customize Sharing Options

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cloud storage for PDF documents share compressed PDF via a link

Tips and Tricks for How to Compress PDFs Explore More

Reduce PDF Size

How to Reduce PDF Size

PDF Compressors

Top 10 AI PDF Compressors with High-Quality Output

Compress Image in PDF

3 Easy Ways to Compress Image in PDF

Resize PDF

How to Resize PDF Quickly

Top 10 Online PDF Compressors

Top 10 Online PDF Compressors

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  • Enterprise license management dashboard

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UPDF Pro

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    Unlock all features in UPDF(excluding AI) across Windows, macOS, iOS and Android, including:

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  • Protect PDF

  • Fill and Sign PDF

  • Batch Process PDF

  • OCR

  • 10 GB UPDF Cloud Storage


    Free trial of AI:

  • AI summarize, analyse or translate 5 PDFs

  • Upload up to 100 pages per file to AI

  • Ask up to 100 questions

  • Powered by GPT-4o

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    Unlock all features in UPDF(including AI) across Windows, macOS, iOS and Android, including:

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  • Convert PDF

  • Annotate PDF

  • Protect PDF

  • Fill and Sign PDF

  • Batch Process PDF

  • OCR

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AI benefits in one account can be shared across Windows, Mac, iOS, Android, and AI Assistant Online.

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