Image Annotation
Made Simple

A fast, native macOS app for annotating images with bounding boxes. Supports PascalVOC, YOLO, and CreateML formats.

Everything You Need

Intelligent Bounding Boxes

Create and edit bounding boxes with intuitive controls. Supports vertex adjustment, shape duplication, and automatic label assignment.

Multiple Formats

Export annotations in PascalVOC XML, YOLO TXT, or CreateML JSON. Switch formats anytime without re-annotating.

Auto Save

Never lose your work. Auto-save keeps your annotations safe and automatically loads existing labels when available.

Quick Navigation

Browse through images with keyboard shortcuts. Navigate folders, copy previous annotations, and verify images efficiently.

Brightness Control

Adjust image brightness for better visibility. Features zoom, pan, and fit-to-window modes for any image size.

Class Management

Manage labels with history tracking. Use single-class mode for streamlined workflows or switch between multiple label types.

Industry-Standard Output

LabelImage exports annotations in the most popular formats used by machine learning frameworks.

XML

PascalVOC

The classic XML format for object detection
TXT

YOLO

Normalized coordinates for Darknet training
JSON

CreateML

Apple's native format for Core ML
person car

Three Simple Steps

1

Open Your Images

Open a folder containing your images. Supports JPG, PNG, BMP, GIF, and TIFF formats.

2

Draw Bounding Boxes

Switch to create mode and draw boxes around objects. Enter labels for each box.

3

Export Annotations

Choose your export format (PascalVOC, YOLO, or CreateML). Annotations are saved automatically.

Get Started Today

Download LabelImage and start annotating images in minutes.

LabelImage

Download the latest version and start annotating

Download .dmg