What is a PDF file?
PDF (Portable Document Format) is the standard format for documents that must look the same on every screen and printer. It was introduced in 1993 by Adobe (now ISO 32000).
What PDF is good at
- Looks identical on every device
- The standard for printing, forms and signing
- Can be locked, signed and searched
Where PDF falls short
- Hard to edit without special software
- File sizes grow with embedded images
When to use PDF
- Sharing finished documents
- Contracts, invoices and forms
- Print-ready files
Where PDF files open
PDF files open in every browser, phone, computer and print shop.
PDF compared with DOCX
PDF or DOCX? PDF is best for sharing finished documents. DOCX is best for editing and collaborating on documents..
Frequently asked questions
What is a PDF file?
PDF (Portable Document Format) is the standard format for documents that must look the same on every screen and printer. It was introduced in 1993 by Adobe (now ISO 32000).
What are the advantages of PDF?
Looks identical on every device; the standard for printing, forms and signing; can be locked, signed and searched.
What are the drawbacks of PDF?
Hard to edit without special software; file sizes grow with embedded images.
What programs open PDF files?
PDF files open in every browser, phone, computer and print shop.
How do I convert a PDF file?
Choose the PDF converter you need from the list on this page, drop in your file and press Convert. You get your new file in seconds, free and without sign-up.