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Data Annotation
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Tools for annotation data
Convert annotation formats, validate datasets and prepare data for ML training directly in browser.
All tools
Converters
Validators
Generators
⇄ Converter
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COCO → CVAT XML
Convert COCO JSON annotation file to CVAT XML for CVAT import. Supports bounding boxes, polygons and object attributes.
Soon
⇄ Converter
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CVAT XML → COCO
Convert CVAT XML annotation back to COCO JSON for Python pipelines and frameworks.
Soon
⇄ Converter
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COCO → YOLO TXT
Convert COCO JSON dataset to YOLO format for YOLOv5, YOLOv8 and other models.
Soon
✓ Validator
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COCO JSON Validator
Check COCO dataset structure and annotation validity: missing images and invalid bbox values.
Soon
★ Generator
📋
Annotation Guideline Generator
Create a ready guideline for annotators based on classes and quality requirements.
