Difference between revisions of "Portable Network Graphics"
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| Line 5: | Line 5: | ||
===File extension(s)=== | ===File extension(s)=== | ||
| − | + | .png | |
===Format registry information=== | ===Format registry information=== | ||
| Line 14: | Line 14: | ||
===Preservation action plan=== | ===Preservation action plan=== | ||
| − | + | See [[Raster images]] | |
===Preservation issues=== | ===Preservation issues=== | ||
| − | |||
*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]. | ||
| Line 23: | Line 22: | ||
===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] | |
__NOTOC__ | __NOTOC__ | ||
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
- 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
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