Difference between revisions of "Portable Network Graphics"

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===File extension(s)===
 
===File extension(s)===
*.png
+
.png
  
 
===Format registry information===
 
===Format registry information===
Line 14: Line 14:
  
 
===Preservation action plan===
 
===Preservation action plan===
*Do not normalize.
+
See [[Raster images]]
  
 
===Preservation issues===
 
===Preservation issues===
*[http://xena.sourceforge.net/ Xena] retains .png files as is and wraps them in Xena XML.
 
 
*Suggested preferred preservation format for bitmap images, [http://www.digitalpreservation.gov/formats/fdd/fdd000153.shtml Library of Congress]
 
*Suggested preferred preservation format for bitmap images, [http://www.digitalpreservation.gov/formats/fdd/fdd000153.shtml Library of Congress]
 
*Florida digital Archive has "high confidence level" in ability to preserve .png files: [http://www.fcla.edu/digitalArchive/formatInfo.htm FDA Recommended Data File Formats].
 
*Florida digital Archive has "high confidence level" in ability to preserve .png files: [http://www.fcla.edu/digitalArchive/formatInfo.htm FDA Recommended Data File Formats].
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===Conversion test results===
 
===Conversion test results===
 +
PNGs will not be normalized so no normalization testing has been undertaken.
  
 
===Access format===
 
===Access format===
 +
Original format
  
 
===More information===
 
===More information===
*[http://www.digitalpreservation.gov/formats/fdd/fdd000153.shtml Library of Congress Sustainability of Digital Formats: PNG, Portable Network Graphics]
+
[http://www.digitalpreservation.gov/formats/fdd/fdd000153.shtml Library of Congress Sustainability of Digital Formats: PNG, Portable Network Graphics]
  
  
 
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Revision as of 12:13, 10 March 2010

Main Page > Documentation > Format-specific preservation plans > Portable Network Graphics


Also known as

File extension(s)

.png

Format registry information

Significant properties

See Significant properties of raster images

Preservation action plan

See Raster images

Preservation issues

Conversion test results

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

Access format

Original format

More information

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