PDF file format

Portable Document Format (.pdf): documents, forms, receipts and multi-page scans you send or print.

PDF is the universal format for documents. It looks the same on every device and printer, can hold many pages, and is accepted almost everywhere you need to submit paperwork. Putting photos or scans into a PDF is the easiest way to send several images as one file.

Full namePortable Document Format
File extension.pdf
MIME typeapplication/pdf
Created1993 by Adobe (an open ISO standard since 2008)
CompressionLossy or lossless
TransparencyYes
AnimationNo
ColorsPages with text, vector graphics and images
Opens onEvery computer, phone and browser
Best fordocuments, forms, receipts and multi-page scans you send or print

Advantages

  • Looks the same everywhere
  • Many pages in one file
  • Accepted by almost every form

Drawbacks

  • Hard to edit
  • Images inside are not directly usable in photo apps

Convert PDF to…

Convert to PDF

Frequently asked questions

What is a .pdf file?

PDF is the universal format for documents. It looks the same on every device and printer, can hold many pages, and is accepted almost everywhere you need to submit paperwork. Putting photos or scans into a PDF is the easiest way to send several images as one file.

How do I open a PDF file?

PDF files open on Every computer, phone and browser. If a program will not open yours, convert it to a more common format.

How do I convert PDF?

Use one of the converters below — they run in your browser, so your documents are never uploaded. Most popular: PDF to JPG, PDF to PNG.