TGA File Documentation

Overview

Feature Value
File Extension .tga
MIME Type image/x-tga
Developer Truevision
Introduction Year 1984
File Header Size 18 bytes
Color Depth 8, 16, 24, or 32 bits per pixel
Alpha Channel Support Yes (optional)
Compression RLE (Run-Length Encoding), optional
Color Maps Supported
Maximum Image Dimensions Not specifically limited by format
Metadata Support Limited to a footer for extension area and developer area
Orientation Origin can be bottom-left or top-left
Usage Texturing in video games, various imaging applications
Benefits Simple format, supports various color depths and optional RLE compression
Drawbacks Limited modern usage, surpassed by more efficient formats with better compression
Main Application 3D Modeling Programs, Older Video Games
Standardization Not standardized
Palette Support for indexed color palettes
Transparency Supported via alpha channel
Interlacing Not supported