Right Data, Right Time

Looking to turn your models into great models? The key is data. But creating valuable, high-quality datasets is hard. How can you get the right data at the right time? Enter our data curation tool, FiftyOne.

With FiftyOne...

Evaluate Pre-Training

Evaluate the quality of your dataset before you even train your model.

Optimize for Efficiency

Iterate on your data to achieve better performance more quickly.

Use Anytime, Anywhere

We meet needs for cloud, remote, and on-prem for wherever your data lives.

Intuitive & Extensible API

FiftyOne datasets are flexible and scalable, allowing you to naturally integrate into existing workflows with a few lines of code. FiftyOne has a schema-free data model and user-defined fields without dataset size limits to put the power of data in your hands.

Take the Dark Arts out of
Data Curation

Without professional tools or established best practices, data scientists are left to develop custom solutions and workflows that lack evidence-based methods and repeatability. Stop asking "Why didn't this work?" or "Why did this work? And how do I do it again?" with no clear answers. Voxel51 takes the guesswork and witchcraft out of curating quality data.

Lightweight Tooling, Impactful Features

Documentation & Code Links

Install Guide Docs
Tutorials Docs
API Docs
Filter, augment, and transform data
Connect to your data locally, remote, on the cloud... anywhere
Quantitatively measure data attributes, including hardness and uniqueness
Dynamically search, filter, and sort your data with infinite scrolling
Convert data into formats ready for common libraries
Connect with annotation provider's API
Interactive handoff between code and GUI
Visualize 2D detections, instance and semantic segmentation, and more

Curate the right data for your models.

With a scientific foundation and established, repeatable workflows, stop wrangling and take control of your data.

Create Datasets

Work with public datasets or create your own from scratch

Find Mistakes

Detect and visualize potential label mistakes in your data


Find and remove duplicate images from your dataset


Integrate FiftyOne with your existing machine learning workflows


Find diverse samples and near-duplicates in your data

Join the FiftyOne Beta

Be among the first to test the beta version of FiftyOne, our new Data Curation tool. Complete the form below to join beta today!