VTF
Valve Texture Format
Full Specs →
MIME type
image/vnd.valve.source.texture
Extensions
.vtf
Transparency
✓ Supported
Animation
✓ Supported
Compression
DXTC (DXT1, DXT3, DXT5) / Uncompressed (BGRA8888, RGB888, etc.)
HDR
✓ Supported
Browser support