ART (AOL compressed image)
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| − | + | '''ART''', also known as '''AOL compressed image''' or '''Johnson-Grace compressed file''', is a lossy-compressed image file format used by America Online ([[AOL]]). | |
| − | '''ART''', also known as '''AOL compressed image''' or '''Johnson-Grace compressed file''', is a lossy-compressed image file format used by America Online. | + | |
== Identification == | == Identification == | ||
| − | Files begin with ASCII | + | Files begin with ASCII "{{magic|JG}}". |
| + | |||
| + | Unrelated formats that could be confused for this format include [[Jigsaw (Walter A. Kuhn)]], [[JGF5 (image format)|JGF5]], and [[JGPAK]]. | ||
| + | |||
| + | For the two bytes at offset 2, four possibilities have been observed: | ||
| + | 03 0e | ||
| + | 04 0e | ||
| + | 05 07 | ||
| + | 06 07 | ||
| + | |||
| + | == Software == | ||
| + | * [http://www.mindworkshop.com/gwsplugins.html#ART Graphics Workshop Professional w/ Plugin] | ||
| + | * [https://web.archive.org/web/20111001034124/https://www.acdsee.com/en/support/file-formats/ Older Acdsee Software compatibility] | ||
== Sample files == | == Sample files == | ||
* http://samples.libav.org/image-samples/ART/ | * http://samples.libav.org/image-samples/ART/ | ||
| + | * {{DexvertSamples|image/aolART}} | ||
== Resources == | == Resources == | ||
* [[Wikipedia:ART image file format|Wikipedia article]] | * [[Wikipedia:ART image file format|Wikipedia article]] | ||
| + | * [http://www.fileformat.info/mirror/egff/ch09_08.htm ART Compression], from the [[Encyclopedia of Graphics File Formats]] | ||
| + | |||
| + | [[Category:AOL]] | ||
Latest revision as of 13:37, 14 July 2026
ART, also known as AOL compressed image or Johnson-Grace compressed file, is a lossy-compressed image file format used by America Online (AOL).
Contents |
[edit] Identification
Files begin with ASCII "JG".
Unrelated formats that could be confused for this format include Jigsaw (Walter A. Kuhn), JGF5, and JGPAK.
For the two bytes at offset 2, four possibilities have been observed:
03 0e 04 0e 05 07 06 07
