Data Labeling Services for Machine Learning

Accurate text data is a must in taking your AI to the next level. MarsCrowd provides text machine learning services tailored to your needs. Gain access to our crowd of resources.

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Data Labelling to mitigate bias

One of the challenges the AI industry faces is bias in machine learning models. One reason for this is a lack of diversity in the data collection process. Another major reason is the lack of accuracy when labeling that data. Our Crowd of resources spans the globe and represents over 100 languages. Make sure that representation makes its way into your machine learning models.

Types of Data Labeling Services

Text Annotation

Text datasets can be used for all sorts of solutions. From chatbots to virtual assistants to semantic search, our Crowd is ready to annotate your text data to fit your requirements. With mastery in 120+ languages, we can help you deliver your solution across the globe.


Image Annotation

Computer Vision is an important sector of the AI industry. One of the building blocks for advanced CV solutions is accurate image annotation. Our resource platform has all the annotation tools your project will need to take your models to the next level.

image annotation

Audio Annotation

With resources across the globe and fluency in 120+ languages, our Crowd can handle any audio annotation project. With transcription tools built into our platform, we have what you need to get the audio data your solutions deserve.

audio annotation

Meet Our Crowd

MarsCrowd’s global community of more than 15K trained specialists cares about quality and speed to meet your image machine learning goals. Data is collected in advance for future projects to speed up the delivery time. So if quality and speed are what you’re after, look no further.

Jungle Scout

"Marscrowd has provided us with translations of marketing documentation for over one year, always with a friendly yet professional approach. They respond promptly to translation requests, provide good advice when required and are willing to "go the extra mile" to provide an all-round excellent service."

Boosting Your Data for Machine Learning

Speed & Scale

Our applications enable a Crowd thousands of people to be singularly focused on your project. Through annotation and proofreading tools, no task is too large.

Industry Experience

MarsCrowd partners up with its sister company Mars Translation to bring you project managers and proofreaders with a combined experience of over 1,000 projects.

Quality Assurance

MarsCrowd has an excellent track record as a quality-first linguistics provider to AI companies. Boasting in-house linguists and project managers to make sure you get the most accurate data on the market.

Leader in Crowdsourcing

Utilizing an all-star collaboration with Mars Translation and Mars Translator, MarsCrowd is able to assemble teams of specialists on the fly to produce large amounts of customized data in record time.

Get customized human-labeled now