PDF (disambiguation)

PDF , or Portable Document Format, is a file format used to present documents.

PDF, pdf, or PDF file may also refer to:

Computing and telecommunications

• Pop Directional Formatting (Unicode character U+202C), a formatting character in bi-directional formatting
• Printer description file, describing capabilities of PostScript printers
• Profile-directed feedback, a compiler optimization better known as Profile-Guided Optimization (PGO)
• Program Development Facility, in the IBM z/OS operating system
• Powder Diffraction File

Mathematics

• Pair distribution function
• Probability density function
• Probability distribution function (disambiguation)

Organisations

• Parkinson's Disease Foundation, a medical foundation
• PDF Solutions, a company based in San Jose, California
• Peace Development Fund, a non-profit public foundation based in Amherst, Massachusetts

Military

• Panama Defense Forces
• People's Defence Force (Myanmar), armed wing of the Burmese government-in-exile since 2021
• People's Defence Force (Singapore)
• Permanent Defence Forces, the standing branches of Ireland's military
• Popular Defense Forces (Gaza), a militant group in Gaza
• Popular Defence Forces (Sudan), a paramilitary group in Sudan
• Puntland Dervish Force, Armed force of Puntland

Politics

• Parti de la France
• People's Democratic Front (Hyderabad), a political party that existed in India during the early 1950s
• Progressive Democratic Front (Andhra Pradesh), a political party in the Indian state of Andhra Pradesh
• Party of Progress (Germany) (Partei des Fortschritts), a political party in Germany founded in 2020
• People's Democratic Front (Burma)
• People's Democratic Front (Indonesia)
• People's Democratic Front (Iran)
• People's Democratic Front (Meghalaya), India
• People's Democratic Front (Romania)
• Popular Democratic Front (Italy)

Other uses

• PDF (gene), a gene that in humans encodes the enzyme peptide deformylase
• Palladium fluoride (PdF), a series of chemical compounds
• Parton distribution function, in particle physics
• Peak draw force, in a compound bow in archery
• Percival David Foundation of Chinese Art
• Pigment dispersing factor, in biology
• Planar deformation features, in geology
• Playa del Fuego, a Delaware art festival
• Postdoctoral fellow
• PDF file, a euphemism of pedophile

See also

• KPDF-CD, a television station in Phoenix, Arizona
• PDF417, or "portable data file 417", a two-dimensional barcode