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Labelme

Build datasets for AI with Private and Flexible annotation

Save hours withAI-powered offline app
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See why people choose Labelme

GitHub stars

13k+

App reviews

130+

Trusted by 1070+ individuals and organizations

Why Labelme?

1. Easy-to-use

Start annotating images in just a few seconds. Everything you need in a single window.

2. Flexible and powerful

AI-powered annotation, batch processing, integration with other programs. What you need as a power user.

3. Private and secure

Runs offline. No need to worry about data leakage or any other private concerns.

How it works?

Create a dataset with polygon, rectangle, or any-shaped annotations to teach an AI how to see the world.

Annotate images and export to any format e.g. COCO VOC YOLOfor any training frameworks to build your own model.

Automated annotation

The built-in AI models allow you to annotate objects in an image with just a few clicks or text prompts.This saves you hours of manual work.

Mouse clicks

Text prompt

Flexible & Optimized integration

Integrate with any tools to streamline your dataset creation e.g. auto-annotation validation export. Any command line tools and Python scripts, including the first-party toolkit.

Batch processing

Integrate with other programs

Private & Secure being offline

Keep your data private and secure with the offline app. No need to worry about data leakage or any other private concerns.

Although Labelme is framework agnostic, it's been fully tested with:

Choose a plan

For individuals and teams. 14-days money back guarantee.

11.3K+ users

Free

$0

 

  • ✓
    Self-built annotation app

    Pip install with Python and terminal.

  • ✓
    Dashboard access

    Everything from one place.

  • ✓
    Discord community

    Ask questions and connect.

  • ✓
    Newsletter for updates

    Stay informed with the latest features.

Sign Up

 

220+ users

Starter

$29$19USD/once

Everything in Free, plus:

  • ✓
    Annotation app

    Simply download pre-built app for Windows, Mac, and Linux. Preview→

  • ✓
    Starter guide

    Get started with annotation to export. Preview→

  • ✓
    All released versions

    Access to all latest and previous versions of the app. Preview→

Get Starter

Pay once. Build unlimited datasets!

160+ users

Pro

$79$49USD/once

Everything in Starter, plus:

  • ✓
    Dataset creation toolkit

    Automate and streamline the dataset creation. Preview→

  • ✓
    Dataset guide

    Get advanced with annotation to export. Preview→

  • ✓
    Email support

    Ask questions in private.

Get Pro

Pay once. Build unlimited datasets!

VAT may apply. Secure payment via Paddle.com.

Everything is accessible from the dashboard.

Go to dashboard

Annotation app

Simply download pre-built app for Windows, Mac, and Linux. Preview→

  • Secure by offline: no internet needed (except the initial install).
  • Various shapes: polygon, rectangle, point, line, and more.
  • Versatile annotations: label, flag, description for image/shapes.
  • AI auto annotation: point to mask, text to rectangles.

Starter guide

Get started with annotation to export. Preview→

  • Example image & annotation: to get started quickly.
  • Fundamental workflow: annotate, validate, and export.
  • Integration with Python: for training workfllow and more.

Dataset creation toolkit

Automate and streamline the dataset creation. Preview→

  • Automate process: annotation, conversion, validation, export.
  • Batch process: apply processing on many files at once.
  • AI auto annotation: text to rectangles, rectangle to mask.
  • Various export formats: mask PNGs, Pascal VOC.

Dataset guide

Get advanced with annotation to export. Preview→

  • Example dataset: 100+ pre-annotated data to play with.
  • Toolkit guide: fundamentals of each tool.
  • Dataset guide: from annotation to before training.
Curious how Labelme was built? Read the story behind it↓

The story behind Labelme:

I built it when I was at the end of my bachelor's degree / beginning of my master's. I was working in a robotics lab and created it to teach my robot to see the world.

Around 2015-2016, Amazon Robotics held the "Amazon Picking Challenge (APC)" shortly…https://t.co/TWAFeVCiT5pic.twitter.com/lRZ2UwX2Lr

— Kentaro Wada (@wkentaro_)January 13, 2025