Photoshop Curve

File Format
Name	Photoshop Curve
Ontology	Electronic File Formats Graphics Photoshop Curve
Extension(s)	.acv, .crv
PRONOM	fmt/667

Photoshop Curve is a Photoshop format that stores one or more functions most likely used as transfer functions, i.e. ways to adjust the brightness, contrast, etc. of an image.

It is distinct from Photoshop Transfer Function (ATF) format, though the formats appear to be used for roughly the same purposes.

Identification

A Curve file begins with bytes 00 01 or 00 04, and is usually under 100 bytes in size.

See also

• PSD
• Photoshop

Format description

• Description of file format

Metaformat files

• Synalysis grammar file (for Hexinator / Synalize It!; more details)