Use the powerful features of UVPackmaster in your own application for free!

You can use the UVPackmaster SDK Standard edition for free, for any purpose – non-profit as well as commercial, for an unlimited number of end users!

The SDK provides a C++ shared library for Windows 64 bit and Linux 64-bit, which you can link with your own application through a well-defined interface.

SDK editions

SDK is available in two editions: Standard and Professional. Read the table below to learn more about differences between the editions.

Efficient CPU UV packing algorithm. Available for free! Fully-featured, efficient CPU and GPU
UV packing algorithm
efficient UV packing algorithm
UV islands area measurement
overlapping UV islands detection
heuristic search algorithm
packing for a non-square texture
add new UV islands into existing packing
select/align UV islands of a similar shape
accurate pixel margin calculation
packing to a custom UV area rectangle
overlapping UV islands lock
grouping UV islands
UDIM support
advanced heuristic algorithm
UV map validation
defining rotation step on a per UV island basis
packing on GPU
heuristic search on all devices simultaneously (CPU and all GPUs)
HOW TO GET: Download from gumroad for free! Interested in the SDK PRO? Write us at


Do you have questions regarding the SDK or would like to get support? Write us directly at

Test all UVPackmaster features

Would you like to easily test all UVPackmaster features for free? Go to the Downloads page and download a demo UVPackmaster 2 version for Blender (no login required). The SDK provides the same features as the demo version.


To learn more about the SDK interface and see a sample application code read the documentation.