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]
- Suggested preferred preservation format for bitmap images, Library of Congress
- Florida digital Archive has "high confidence level" in ability to preserve .png files: FDA Recommended Data File Formats.
- Library and Archives Canada considers PNG to be a recommended format for still images: Guidelines for Computer File Types, Interchange Formats and Information Standards
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