Universal Data Tool
Web-based tool for labeling images, text, audio, and documents.
About
Universal Data Tool is a web and desktop application for labeling images, text, audio, video, documents, and tabular data. It covers image segmentation, classification, named entity recognition, audio transcription, landmark annotation, and other common ML labeling tasks, exporting to several model formats. Data is stored in the open .udt.json / .udt.csv format. Self-hostable, with a free hosted version at udt.dev.
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Details
- Category
- Data Labeling & Annotation
- Price
- Free
- Platform
- Web
- Difficulty
- Beginner (1/5)
- License
- MIT
- Added
- Apr 3, 2026
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