---
updatedAt: 2026-08-27T14:41:47.000Z
agentTools:
  projectIndex: https://documentation.picsellia.com/llms.txt
---

# Annotation Tool & Campaign

Picsellia embeds an integrated *Annotation tool* that will allow you to create or edit `Annotation` on any `Asset` from a `DatasetVersion`.

The Annotation tool has been designed to embrace your needs.

You can either use the raw *Annotation Tool* to quickly annotate your `DatasetVersion` or organize an *Annotation Campaign*. Defining an *Annotation Campaign* is useful in case you have a consequent number of images to annotate, many people involved in the annotation phase, and the need to ensure that each `Asset` has been properly annotated.

It is important to note that each `Asset` of a `DatasetVersion`, can have only one `Annotation`.

So for basic annotation needs, the raw *Annotation Tool* should be sufficient, its associated documentation is available [here](https://documentation.picsellia.com/docs/dataset-annotation-tool).

But as soon, as you need to manage properly and efficiently a team dedicated to annotation, it is highly recommended to define an *Annotation Campaign* on your `DatasetVersion` to handle this crucial phase properly. [Here](https://documentation.picsellia.com/docs/campaign) is the documentation detailing how to define and run an *Annotation Campaign*.