Reflectance Transformation Imaging

Preserve Cultural Heritage in Digital Light

Upload your RTI and PTM files to generate interactive web viewers. Build scholarly collections, share research, and make ancient surfaces visible to the world.

Featured Collections

Explore interactive RTI datasets from museums, archives, and research institutions around the world.

Upload & Convert

Drag and drop .rti and .ptm files. We generate web-ready viewers automatically.

Interactive Viewing

Users can manipulate virtual light source in-browser, no plug-ins required.

Scholarly Preservation

Permanent URLs, IIIF compatibility, and collection-level metadata.