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.pdf

Portable Document Format

Commonly known as PDF

Standard for document exchange, preserving layout. developed by Adobe and released in 1993, it has become a standard for Contracts, Manuals, Forms, Printing.

Key Features

  • Universal layout preservation
  • Security features
  • Vector text

Limitations

  • Difficult to edit
  • Not responsive for mobile

When to use PDF?

The PDF format is ideal for Contracts, Manuals, Forms, Printing. Its MIME type is application/pdf.

How to open .pdf files

  1. macOS: Use native Preview/Quick Look or import into professional apps that support PDF.
  2. Windows: Open via Photos, Media Player, or dedicated editors by enabling the relevant codec pack.
  3. Browser: Drag the file into FileConvert to transform it into a universally supported alternative before sharing.

Popular Conversions

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FAQs about PDF

How do I open a .pdf file?

You can open PDF files with native tools on every major OS or convert them for free using FileConvert.

Is PDF still relevant in 2025?

PDF remains essential for Contracts thanks to its universal layout preservation benefit.

How do I convert PDF into other formats?

Visit our PDF conversion directory to switch between Portable Document Format and 200+ alternatives without uploading files.