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Best free data labeling tools

Label images, video, text and audio to train your own AI.

  1. Label images, text and audio to train AI
    ★ 28.6kstars
    label-studio by HumanSignal · Free alternative to Scale AI labelling
    Labels almost any kind of data, for teams
    Some setupSelf-hosted appHealthy
  2. Label images, video and text with AI help
    ★ 10.9kstars
    X-AnyLabeling by CVHub520
    AI suggests labels for you
    No codingDesktop appHealthy
  3. Label images with polygons and boxes for AI training
    ★ 16.3kstars
    labelme by wkentaro
    Simple desktop tool for images
    No codingDesktop appHealthy
  4. Label images and video to train computer vision AI
    ★ 17.1kstars
    cvat by cvat-ai · Free alternative to Roboflow Annotate
    Professional video and image annotation
    Some setupSelf-hosted appHealthy
  5. Create datasets for fine-tuning AI from your documents
    ★ 15.1kstars
    easy-dataset by ConardLi
    Make fine-tuning data from documents
    No codingDesktop appFair

Ranked for people new to AI: ease of use first, then quality, upkeep and popularity. Last checked 4 Nov 2026.

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