JSON2YOLO

(★ 1,230)

Legacy JSON-to-YOLO dataset converter for COCO, LabelMe, Labelbox, VoTT, INFOLKS, and ATH annotations. Superseded by convert_coco() in the Ultralytics package.

Owner Repos

ultralytics ★ 60,836

Ultralytics YOLO26, YOLO11, YOLOv8 — object detection, instance segmentation, semantic segmentation, image classification, pose estimation, object tracking

Python
yolov5 ★ 57,917

Ultralytics YOLOv5 in PyTorch for object detection, instance segmentation, classification, training, and export.

Python
yolov3 ★ 10,594

PyTorch implementation of YOLOv3, YOLOv3-SPP, and YOLOv3-tiny for real-time object detection with training, validation, inference, and multi-format export.

Python
assets ★ 660

Shared Ultralytics logos, media, sample images, pretrained model weights, dataset artifacts, and release assets.
yolo-ios-app ★ 505

Ultralytics YOLO iOS app and Swift package for real-time Core ML inference across major computer vision tasks.

Swift
yolo-flutter-app ★ 477

Official Ultralytics YOLO Flutter plugin for real-time inference on Android and iOS across major vision tasks.

Dart

File Explorer

ZIP Download
  • .gitignore
  • AGENTS.md
  • CLAUDE.md
  • general_json2yolo.py
  • labelbox_json2yolo.py
  • LICENSE
  • README.md
  • requirements.txt
  • utils.py

# Use via CDN

jsDelivr

jsDelivr serves any public GitHub repository as a CDN with zero setup. Pick a version and a file to get a ready-to-paste link and snippet.

Link
Example

Command Glossary

Commands referenced in this DOCs, explained below.

🔍

pip install

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Install Python packages.

pip install {{package1 package2 ...}}

Install one or more packages:

pip install {{package1 package2 ...}} {{[-U|--upgrade]}}

Upgrade all specified packages to the latest version, installing any that are not already present:

pip install {{package}}=={{version}}

Install a specific version of a package:

🔍

python

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Python language interpreter.

python

Start a REPL (interactive shell):

python {{path/to/file.py}}

Execute a specific Python file:

python -i {{path/to/file.py}}

Execute a specific Python file and start a REPL:

// repository documentation