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VGG Image Annotator (VIA)

Open Source

A lightweight, web‑based tool for manual image annotation and labeling.

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4.6 Editor Rating
Vetted Score
4.6 / 5.0

Awarded 4.6/5 for its zero‑install web interface, extensive export options, and strong community support despite limited collaborative features.

Key Features
Region Annotation

Create bounding boxes, polygons, circles, and points directly on images for precise object labeling.

Custom Attribute Definition

Define unlimited attribute types (e.g., dropdowns, checkboxes, text) to capture rich metadata per region.

Multiple Export Formats

Export annotations to CSV, JSON, COCO, Pascal VOC, and YOLO formats for seamless integration with ML pipelines.

Frequently Asked Questions

Yes, VIA is released under an open‑source BSD‑3 license, allowing unrestricted commercial use.

No, VIA runs entirely in the browser; just open the HTML file locally or host it on a web server.

VIA supports CSV, JSON, COCO, Pascal VOC, and YOLO formats, covering most popular machine‑learning pipelines.
Specifications
Pricing Model Completely free and open source with no paid tiers.
Supported Platforms
Web (Chrome, Firefox, Edge, Safari)WindowsmacOSLinux