OBJ axis swapper

OBJ Axis Swapper

Converts a Wavefront OBJ model between Y-up and Z-up conventions. Vertices and normals are rewritten; all other records are kept as they are.

Conversion

Y-up to Z-up (x, y, z) → (x, −z, y). Rotation, faces keep their orientation.

Z-up to Y-up (x, y, z) → (x, z, −y). Rotation, faces keep their orientation.

Swap Y and Z (x, y, z) → (x, z, y). Mirror image.

OBJ file (up to 200 MB)

Or drop files here