Texture Channel Packer is a native C++ editor-only plugin for Unreal Engine. It packs separate texture channels into RGBA textures, can generate Material Functions / utility Materials, and includes a precision-preserving unpack workflow.

Features:

- Right-click Pack Channels and Unpack Channels actions for Texture2D assets

- Editor panel with 4 channel slots, per-channel R/G/B/A source selection, and live 256x256 packed-texture preview

- ORM, MRA, RMA, and Custom presets

- Per-channel invert plus black/white-point levels

- Smart auto-naming and output path detection

- Batch folder scan with suffix grouping and cancellable progress

- UDIM / suffix handling for names like 1001, 2K, _v02

- Output resolutions: 256 to 8192

- Output formats: RGBA8, RGBA16, RGBA16F half-float HDR

- Compression options: Masks, Default, BC7, Uncompressed, HDR for float output

- Disk export: PNG, TGA, EXR for RGBA16F

- Material generation: Specific per-texture or Reusable parameterized functions

- Unpack precision: BGRA8 for 8-bit, G16 for 16-bit, R16F for half/float sources

Code Modules:

- TextureChannelPacker (Editor)

Number of Blueprints: 0
Number of C++ Classes: 9 main C++ classes, plus supporting structs/enums
Network Replicated: No

Supported Development Platforms:

- Windows: Yes

- Mac: No

Supported Target Build Platforms:
Editor-only plugin. No runtime modules. Does not ship in packaged builds.

Documentation Link: N/A for initial submission. Usage is covered in the Fab listing FAQ.

Example Project: N/A

slvDev

slvDev

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