Custom Tools Documentation

Browser-based image annotation with seven drawing tools, SAM 2 / SAM 3 AI assistance, and multi-image items for video frames, PDFs, and medical slices.

Rich-text editor and NER span annotation with AI-accelerated labeling, built for LLM training and text-analysis pipelines.

Browser-based video annotation with frame-accurate timeline labeling and AI acceleration for teams training video models.

Audio and video annotation with timeline segments, transcript entities, simple video boxes, waveform visualization, and AI-assisted transcription and labeling.

Browser-based LiDAR / point-cloud annotation with a WebGL 3D viewer, oriented 3D boxes, point masks, polylines, frame-accurate timelines, and camera reference images.