The most innovative companies use CrowdFlower to enrich their data

Make your data useful

The essential data enrichment platform for data scientists

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Here's how it works

Upload your data

Your data can be text, images, URLs, business addresses, or whichever else you need enriched.

Build your job

Choose from our template library and customize your design settings, and instructions.

Launch your job

Once you've created your job, just press "launch"! Real people from around the world will task on your job until it's done.

Download your enriched job

As soon as your job is complete, you can download a simple .csv file that contains all your new, aggregated and enriched data.

What you can do with CrowdFlower

Whether you're doing sentiment analysis, improving your machine learning models, tweaking your internal search relevance, moderating text or images, or just collecting data, we can help. Here are the most popular ways people are using CrowdFlower.

Use Cases

What our customers are saying

Some of the world's most innovative companies use CrowdFlower

We needed a way to scalably measure search results quality. We needed to look at the impact of algorithms in search results relevancy and CrowdFlower provides a way to do that. Our search results have gotten measurably better and we’ve been able to increase revenue, so it's been a real winner in terms of user experience and income.

James Rubenstein
Director of U.S. Search
Ebay