Genderizer

AI-Powered Gender Detection from First or Full Name

Instantly genderize and identify gender from first or full names using Genderizer's intelligent API. Built with global naming intelligence, this tool offers high-accuracy classification — ideal for data refinement, user segmentation, and customer analytics.

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https://api.genderizer.io/api/?name=Emily
{
    name:"emily",
    gender:"female",
    country:"US",
    probability:100,
    remaining_credits:10
}
                
                    

Genderizer supports advanced AI to genderize names and detect gender across Chinese, Indian, Japanese, and other non-Latin character sets — delivering accurate gender classification for global use cases.

Features

Gender by Name

Predict gender based on a given name using advanced AI.

  • Find gender using a first name.
  • Get results from full names too.
  • Supports formats like 'Anna White', 'White, Anna' and many others.
Gender by Name

Gender by Email Address

Use email structure to estimate gender in real time.

  • Detect gender from email addresses.
  • Emails like 'anna.white@email.com' or 'whiteanna@email.com' are intelligently analyzed.
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Gender by Email Address

Gender by @Username

Predict gender based on social media usernames with AI.

  • Analyze @usernames for gender prediction.
  • Examples: @michaeljohnson, @johnmichael, @jmichael123 — all processed accurately.
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Gender by Email Address

Bulk Gender Detection from CSV/Excel

Process Excel & CSV files for fast gender classification.

  • Upload Excel or CSV with name or email data.
  • Download updated file with gender and country info.
  • Data processed and ready within minutes.
  • Works with names, full names, and email addresses.
  • Optional country filter supported.

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Bulk Gender Detection from CSV/Excel


Frequently Asked Questions (FAQ)

💡 What is Genderizer?

Genderizer is an AI-powered tool that genderizes names, email addresses, and usernames to predict gender with high accuracy. It’s widely used by developers, marketers, and analysts for gender classification, data enrichment, and audience profiling.

🧠 How does Genderizer work?

Genderizer analyzes names, emails, or usernames with AI-powered models. It compares them with a large global database and pattern recognition algorithms to determine the most likely gender and confidence score.

🧬 How is gender prediction performed using AI?

We use advanced AI models like ChatGPT, Grok, LLaMA, DeepSeek, and our own custom-trained AI to deliver highly accurate and context-aware gender predictions.

🌐 Does Genderizer support non-Latin names?

Yes. Genderizer supports names in Chinese (e.g., 王伟), Hindi (e.g., आर्यन), Arabic (e.g., فاطمة), and other non-Latin character sets, making it ideal for global use cases.

📝 What types of input can I use?

  • First name (e.g., Emily)
  • Full name (e.g., John Smith)
  • Email address (e.g., john.smith@example.com)
  • Username (e.g., @johnsmith)

📊 How accurate is Genderizer?

Each result includes a probability score to show confidence. Example:

{
  "name": "emily",
  "gender": "female",
  "country": "US",
  "probability": 100
}

🌍 Which countries are supported?

Genderizer supports 249 countries. You can use a country filter for improved accuracy with localized names.

📁 Can I analyze Excel or CSV files?

Yes. Upload a file with names or emails, and we’ll return:

  • Name
  • Gender
  • Country
  • Confidence score
  • Matched name

🤖 How can I integrate Genderizer?

Genderizer works with platforms like:

  • Google Sheets
  • Excel CSV
  • Shopify
  • Airtable, Zapier, Make, Pipedream, Pabbly
  • ChatGPT via GPT Sidebar

🔧 Is there API documentation?

Yes. You can find complete API docs and integration examples on our API Documentation page.

💳 Is Genderizer free?

Genderizer offers a free plan with limited credits and paid plans for larger-scale usage.

⏱️ How fast is the API?

Responses are typically returned in milliseconds. Bulk file processing may take a few minutes.