Annotate documents 10x faster with AI
Create high-quality annotations for entities, relations, events, and attributes. Collaborate with your team and export to BRAT, CoNLL, JSON, and more.
Start annotatingTrusted by fast-growing startups
Annotate documents with AI assistance
Our platform helps you create high-quality annotations faster. Define schemas, annotate with AI suggestions, and collaborate with your team seamlessly.
Start annotating in minutes
Upload your documents, configure your annotation schema, and begin annotating. AI suggestions help you work faster while maintaining quality.
Create your annotation schema
Define entity types, relations, events, and attributes with custom colors and hotkeys. Import existing BRAT configurations or start from scratch.
Annotate with AI-powered suggestions
Get intelligent suggestions for entities, relations, and events. Accept or reject suggestions with one click. Work 10x faster with AI assistance.
Collaborate. Export. Integrate.
Work with your team in real-time, export to standard formats, and integrate with your ML pipeline. Built for research teams and annotation projects.
Learn MoreExport formats
Real-time collaboration
See your teammates' annotations as they work. Track inter-annotator agreement, resolve conflicts, and create gold standard datasets together.
Export to any format
Export annotations to BRAT, CoNLL, JSON, or CSV. Import existing annotations. Seamlessly integrate with your ML training pipeline.
Stop manual annotation. Start annotating smarter.
Our platform handles document processing, AI suggestions, and collaboration workflows. Focus on domain expertise, not repetitive clicking.
Built for annotation teams and researchers
From solo annotators to large research teams. Trusted by NLP researchers, data scientists, and annotation projects that need quality and speed.
Used by research teams worldwide
Trusted by NLP researchers, data scientists, and annotation teams. Create high-quality training datasets 10x faster with AI assistance.
Supporting multiple annotation formats
Export to BRAT, CoNLL, JSON, CSV. Import existing annotations. Compatible with standard NLP tools and frameworks.
Upload. Configure. Annotate. Export.
Get started with document annotation in three simple steps
Configure annotation schema
Configure annotation schema
Upload your documents
Upload text files, PDFs, or DOCX documents. Our platform automatically extracts text and prepares it for annotation. Organize documents in collections.
Configure annotation schema
Configure your annotation schema
Define entity types, relations, events, and attributes. Customize colors, hotkeys, and constraints. Import existing BRAT configurations or create new ones.
Configure annotation schema
Start annotating with AI assistance
Annotate documents with intelligent AI suggestions. Collaborate with your team in real-time. Export to BRAT, CoNLL, JSON, or CSV formats.
Upload your documents
Upload text files, PDFs, or DOCX documents. Our platform automatically extracts text and prepares it for annotation. Organize documents in collections.
Configure your annotation schema
Define entity types, relations, events, and attributes. Customize colors, hotkeys, and constraints. Import existing BRAT configurations or create new ones.
Start annotating with AI assistance
Annotate documents with intelligent AI suggestions. Collaborate with your team in real-time. Export to BRAT, CoNLL, JSON, or CSV formats.
Hear from our research community
Researchers and annotation teams trust our platform daily. Discover how teams accelerate annotation projects while maintaining quality and consistency.
The AI-powered annotation suggestions have revolutionized our research workflow. We can now annotate datasets 10x faster while maintaining quality. A game-changer for NLP research teams.

Dr. Sarah Chen
NLP Researcher at University
The collaborative annotation features have drastically improved our team productivity. Real-time collaboration and conflict resolution make it easy to create gold standard datasets. Highly recommend for annotation projects.

Dr. Michael Rodriguez
Data Scientist at Research Lab
As a ML team, we need high-quality training data fast. The annotation platform helps us do just that. Our annotation speed has doubled with AI suggestions. Essential tool for any ML project.

Dr. Priya Sharma
ML Engineer at Tech Company
The export capabilities have made integrating with our ML pipeline seamless. BRAT, CoNLL, JSON exports work perfectly. Must-have for any annotation project.

Dr. James Wilson
Research Lead at AI Lab
The annotation schema configuration is incredibly flexible. We can define complex entity hierarchies and relation constraints. Perfect for our domain-specific NLP research.

Dr. Lisa Anderson
Computational Linguist
The inter-annotator agreement metrics have been invaluable.We can now track annotation quality and identify training needs. Essential for maintaining annotation standards.

Dr. Robert Kim
Research Scientist
By integrating #GreenTech's sustainable energy solutions, we've seen a significant reduction in carbon footprint.Leading the way in eco-friendly business practices. Pioneering change in the industry.

Carlos Gomez
Head of R&D at EcoInnovate
The AI-powered annotation suggestions have revolutionized our research workflow. We can now annotate datasets 10x faster while maintaining quality. A game-changer for NLP research teams.

Dr. Sarah Chen
NLP Researcher at University
The collaborative annotation features have drastically improved our team productivity. Real-time collaboration and conflict resolution make it easy to create gold standard datasets. Highly recommend for annotation projects.

Dr. Michael Rodriguez
Data Scientist at Research Lab
As a ML team, we need high-quality training data fast. The annotation platform helps us do just that. Our annotation speed has doubled with AI suggestions. Essential tool for any ML project.

Dr. Priya Sharma
ML Engineer at Tech Company
The export capabilities have made integrating with our ML pipeline seamless. BRAT, CoNLL, JSON exports work perfectly. Must-have for any annotation project.

Dr. James Wilson
Research Lead at AI Lab
The annotation schema configuration is incredibly flexible. We can define complex entity hierarchies and relation constraints. Perfect for our domain-specific NLP research.

Dr. Lisa Anderson
Computational Linguist
The inter-annotator agreement metrics have been invaluable.We can now track annotation quality and identify training needs. Essential for maintaining annotation standards.

Dr. Robert Kim
Research Scientist
By integrating #GreenTech's sustainable energy solutions, we've seen a significant reduction in carbon footprint.Leading the way in eco-friendly business practices. Pioneering change in the industry.

Carlos Gomez
Head of R&D at EcoInnovate
The AI-powered annotation suggestions have revolutionized our research workflow. We can now annotate datasets 10x faster while maintaining quality. A game-changer for NLP research teams.

Dr. Sarah Chen
NLP Researcher at University
The collaborative annotation features have drastically improved our team productivity. Real-time collaboration and conflict resolution make it easy to create gold standard datasets. Highly recommend for annotation projects.

Dr. Michael Rodriguez
Data Scientist at Research Lab
As a ML team, we need high-quality training data fast. The annotation platform helps us do just that. Our annotation speed has doubled with AI suggestions. Essential tool for any ML project.

Dr. Priya Sharma
ML Engineer at Tech Company
The export capabilities have made integrating with our ML pipeline seamless. BRAT, CoNLL, JSON exports work perfectly. Must-have for any annotation project.

Dr. James Wilson
Research Lead at AI Lab
The annotation schema configuration is incredibly flexible. We can define complex entity hierarchies and relation constraints. Perfect for our domain-specific NLP research.

Dr. Lisa Anderson
Computational Linguist
The inter-annotator agreement metrics have been invaluable.We can now track annotation quality and identify training needs. Essential for maintaining annotation standards.

Dr. Robert Kim
Research Scientist
By integrating #GreenTech's sustainable energy solutions, we've seen a significant reduction in carbon footprint.Leading the way in eco-friendly business practices. Pioneering change in the industry.

Carlos Gomez
Head of R&D at EcoInnovate
The AI-powered annotation suggestions have revolutionized our research workflow. We can now annotate datasets 10x faster while maintaining quality. A game-changer for NLP research teams.

Dr. Sarah Chen
NLP Researcher at University
The collaborative annotation features have drastically improved our team productivity. Real-time collaboration and conflict resolution make it easy to create gold standard datasets. Highly recommend for annotation projects.

Dr. Michael Rodriguez
Data Scientist at Research Lab
As a ML team, we need high-quality training data fast. The annotation platform helps us do just that. Our annotation speed has doubled with AI suggestions. Essential tool for any ML project.

Dr. Priya Sharma
ML Engineer at Tech Company
The export capabilities have made integrating with our ML pipeline seamless. BRAT, CoNLL, JSON exports work perfectly. Must-have for any annotation project.

Dr. James Wilson
Research Lead at AI Lab
The annotation schema configuration is incredibly flexible. We can define complex entity hierarchies and relation constraints. Perfect for our domain-specific NLP research.

Dr. Lisa Anderson
Computational Linguist
The inter-annotator agreement metrics have been invaluable.We can now track annotation quality and identify training needs. Essential for maintaining annotation standards.

Dr. Robert Kim
Research Scientist
By integrating #GreenTech's sustainable energy solutions, we've seen a significant reduction in carbon footprint.Leading the way in eco-friendly business practices. Pioneering change in the industry.

Carlos Gomez
Head of R&D at EcoInnovate
#TrendSetter's market analysis AI has transformed how we approach fashion trends.Our campaigns are now data-driven with higher customer engagement. Revolutionizing fashion marketing.

Aisha Khan
Chief Marketing Officer at Fashion Forward
Implementing #MediCareAI in our patient care systems has improved patient outcomes significantly.Technology and healthcare working hand in hand for better health. A milestone in medical technology.

Tom Chen
Director of IT at HealthTech Solutions
#LearnSmart's AI-driven personalized learning plans have doubled student performance metrics.Education tailored to every learner's needs. Transforming the educational landscape.

Sofia Patel
CEO at EduTech Innovations
With #CyberShield's AI-powered security systems, our data protection levels are unmatched.Ensuring safety and trust in digital spaces. Redefining cybersecurity standards.

Jake Morrison
CTO at SecureNet Tech
#DesignPro's AI has streamlined our creative process, enhancing productivity and innovation.Bringing creativity and technology together. A game-changer for creative industries.

Nadia Ali
Product Manager at Creative Solutions
#VentureAI's insights into startup ecosystems have been invaluable for our growth and funding strategies.Empowering startups with data-driven decisions. A catalyst for startup success.

Omar Farooq
Founder at Startup Hub
#TrendSetter's market analysis AI has transformed how we approach fashion trends.Our campaigns are now data-driven with higher customer engagement. Revolutionizing fashion marketing.

Aisha Khan
Chief Marketing Officer at Fashion Forward
Implementing #MediCareAI in our patient care systems has improved patient outcomes significantly.Technology and healthcare working hand in hand for better health. A milestone in medical technology.

Tom Chen
Director of IT at HealthTech Solutions
#LearnSmart's AI-driven personalized learning plans have doubled student performance metrics.Education tailored to every learner's needs. Transforming the educational landscape.

Sofia Patel
CEO at EduTech Innovations
With #CyberShield's AI-powered security systems, our data protection levels are unmatched.Ensuring safety and trust in digital spaces. Redefining cybersecurity standards.

Jake Morrison
CTO at SecureNet Tech
#DesignPro's AI has streamlined our creative process, enhancing productivity and innovation.Bringing creativity and technology together. A game-changer for creative industries.

Nadia Ali
Product Manager at Creative Solutions
#VentureAI's insights into startup ecosystems have been invaluable for our growth and funding strategies.Empowering startups with data-driven decisions. A catalyst for startup success.

Omar Farooq
Founder at Startup Hub
#TrendSetter's market analysis AI has transformed how we approach fashion trends.Our campaigns are now data-driven with higher customer engagement. Revolutionizing fashion marketing.

Aisha Khan
Chief Marketing Officer at Fashion Forward
Implementing #MediCareAI in our patient care systems has improved patient outcomes significantly.Technology and healthcare working hand in hand for better health. A milestone in medical technology.

Tom Chen
Director of IT at HealthTech Solutions
#LearnSmart's AI-driven personalized learning plans have doubled student performance metrics.Education tailored to every learner's needs. Transforming the educational landscape.

Sofia Patel
CEO at EduTech Innovations
With #CyberShield's AI-powered security systems, our data protection levels are unmatched.Ensuring safety and trust in digital spaces. Redefining cybersecurity standards.

Jake Morrison
CTO at SecureNet Tech
#DesignPro's AI has streamlined our creative process, enhancing productivity and innovation.Bringing creativity and technology together. A game-changer for creative industries.

Nadia Ali
Product Manager at Creative Solutions
#VentureAI's insights into startup ecosystems have been invaluable for our growth and funding strategies.Empowering startups with data-driven decisions. A catalyst for startup success.

Omar Farooq
Founder at Startup Hub
#TrendSetter's market analysis AI has transformed how we approach fashion trends.Our campaigns are now data-driven with higher customer engagement. Revolutionizing fashion marketing.

Aisha Khan
Chief Marketing Officer at Fashion Forward
Implementing #MediCareAI in our patient care systems has improved patient outcomes significantly.Technology and healthcare working hand in hand for better health. A milestone in medical technology.

Tom Chen
Director of IT at HealthTech Solutions
#LearnSmart's AI-driven personalized learning plans have doubled student performance metrics.Education tailored to every learner's needs. Transforming the educational landscape.

Sofia Patel
CEO at EduTech Innovations
With #CyberShield's AI-powered security systems, our data protection levels are unmatched.Ensuring safety and trust in digital spaces. Redefining cybersecurity standards.

Jake Morrison
CTO at SecureNet Tech
#DesignPro's AI has streamlined our creative process, enhancing productivity and innovation.Bringing creativity and technology together. A game-changer for creative industries.

Nadia Ali
Product Manager at Creative Solutions
#VentureAI's insights into startup ecosystems have been invaluable for our growth and funding strategies.Empowering startups with data-driven decisions. A catalyst for startup success.

Omar Farooq
Founder at Startup Hub
Build more. Pay less. Scale smart.
Try free for 14 days with full access to all features. Upgrade only when your AI agent proves value.
TeamPopular
Ideal for research teams and annotation projects
- Unlimited documents
- Unlimited collections
- AI-powered suggestions
- Real-time collaboration
- Export to BRAT, CoNLL, JSON, CSV
- Inter-annotator agreement metrics
- Annotation versioning
- Team management
Enterprise
Best for large organizations and research institutions
Everything in Startup +
- Unlimited everything
- Advanced analytics
- Custom integrations
- Priority support
- Dedicated infrastructure
- SLA guarantees
Get Started today:
- Up to 100 documents
- Up to 5 collections
- Basic annotation features
- Export to JSON
- Single user
Frequently Asked Questions
Answers to common questions about our annotation platform. If you have any other questions, please don't hesitate to contact us.
Start annotating your documents 10x faster
Stop manual annotation. Let AI handle the suggestions. Start annotating smarter today, completely free.