YOLO Polygon Visualizer

Visualize YOLO format polygon/segmentation annotations on images. Upload your images and label files to see polygon annotations rendered with class labels. Perfect for validating segmentation datasets.

Upload Files

๐Ÿ–ผ๏ธ Image File

Drop image here or click to select

๐Ÿ“ Label File (.txt)

YOLO segmentation format

Label Text (YOLO Segmentation Format)

Or paste label text directly (one polygon per line: class_id x1 y1 x2 y2 x3 y3 ...)

๐Ÿ“‹ Format: class_id x1 y1 x2 y2 x3 y3 ... xn yn
All coordinates are normalized (0.0-1.0). Each line represents one polygon with any number of vertices.

Class Names (Optional)

One class name per line, matching the order of class IDs