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Data Annotation Tools - AI Solutions | Image, Text & Video Annotation

Simplify your AI projects with our versatile data annotation tools, designed to streamline the process of labeling images, text, and video for machine learning applications.

mysimulator teamUpdated June 2026≈ 3 min read▶ Open the simulation

Data Annotation Tools

Professional tools for annotating and labeling data for Machine Learning (ML)

A powerful tool for image annotation: bounding boxes, polygons, segmentation masks,

Support for Various Formats: COCO, YOLO, Pascal VOC

Exporting in required formats

Collaborative work on projects

live demo · related simulation● LIVE

Text Classification and Categorization

Question-answer pair annotation

Summarization and extraction

Frequently asked questions

What is action recognition annotation?

Action recognition annotation

Does the tool support various video formats?

Support for various video formats

How does the tool ensure data quality through verification?

Ensuring data quality through verification, validation and quality control.

Does the tool offer automatic consistency checks?

Automatic consistency checking

▶ Try it live

Everything above runs in your browser — open Hash Function Avalanche Visualizer and change the parameters while it is running. Nothing is installed, nothing is uploaded, the whole model lives in one tab.

▶ Open Hash Function Avalanche Visualizer simulation