What Are PDF Files?
PDF (Portable Document Format) is a file format developed by Adobe Systems for use in file exchanges in 1993.
pdf format
- PDF (Portable Document Format) is a file format developed by Adobe Systems for use in file exchanges in 1993.
- PDF consists of three technologies: Derived from
- The PDF file format has been modified many times, mainly with the new version of Adobe Acrobat. The following is the PDF file version number, the time of publication and the corresponding list of Acrobat version numbers.
- 1993-PDF 1.0 / Acrobat 1.0
- 1994 PDF 1.1 / Acrobat 2.0
- 1996 PDF 1.2 / Acrobat 3.0
- 2000 PDF 1.3 / Acrobat 4.0
- 2001 PDF 1.4 / Acrobat 5.0
- 2003-PDF 1.5 / Acrobat 6.0
- 2005 PDF 1.6 / Acrobat 7.0
- 2006 PDF 1.7 / Acrobat 8.0
- 2006 PDF 1.7 / Acrobat 8.2
- 2008 PDF 1.7, Adobe Extension Level 3 / Acrobat 9.0
- 2009 PDF 1.7, Adobe Extension Level 5 / Acrobat 9.1
- The ISO standard ISO 32000-1: 2008 and Adobe PDF 1.7 format technically coexist. Adobe announced that it will not release PDF 1.8 in the future. Future PDF versions will be provided by the ISO Technical Association.
- PDF consists of three technologies:
- Derived from
- PDF editor
- Because PDFs are distinguished in the generation, editing, preflighting, and output, you must indicate the type when classifying.
- Adobe Acrobat (standard and professional)
- Pitstop (as