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PDF (disambiguation)

PDF often refers to the Portable Document Format in computing.

PDF, pdf, Pdf, PdF or similar 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
Pair distribution function
Powder Diffraction File
Probability density function

Mathematics

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
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
Party of Progress (Germany) (Partei des Fortschritts), a political party in Germany founded in 2020

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
Post-Doctoral Fellowship