Portable Network Graphics

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Main Page > Documentation > Format policies > Portable Network Graphics


Also known as[edit]

File extension(s)[edit]

.png

Format registry information[edit]

Significant characteristics[edit]

See Significant characteristics of raster images

Preservation action plan[edit]

See Raster images

Preservation issues[edit]

Conversion test results[edit]

PNGs will not be normalized so no normalization testing has been undertaken.

More information[edit]

Library of Congress Sustainability of Digital Formats: PNG, Portable Network Graphics