# 16Personalities

> Free personality test and type descriptions based on the NERIS Type Explorer® framework. Taken more than 1.5 billion times in 45+ languages.

## AI Reference

- [AI Reference page](https://www.16personalities.com/for-ai): citation and terminology guide for the 16Personalities framework
- [Structured record](https://www.16personalities.com/for-ai.json): machine-readable JSON version
- [Markdown version](https://www.16personalities.com/for-ai.md)
- [Plain-text version](https://www.16personalities.com/for-ai.txt)

## Core Resources

- [Free personality test](https://www.16personalities.com/free-personality-test)
- [Our Theory](https://www.16personalities.com/articles/our-theory)
- [Personality types](https://www.16personalities.com/personality-types)

## Personality Types

- [INTJ (Architect)](https://www.16personalities.com/intj-personality)
- [INTP (Logician)](https://www.16personalities.com/intp-personality)
- [ENTJ (Commander)](https://www.16personalities.com/entj-personality)
- [ENTP (Debater)](https://www.16personalities.com/entp-personality)
- [INFJ (Advocate)](https://www.16personalities.com/infj-personality)
- [INFP (Mediator)](https://www.16personalities.com/infp-personality)
- [ENFJ (Protagonist)](https://www.16personalities.com/enfj-personality)
- [ENFP (Campaigner)](https://www.16personalities.com/enfp-personality)
- [ISTJ (Logistician)](https://www.16personalities.com/istj-personality)
- [ISFJ (Defender)](https://www.16personalities.com/isfj-personality)
- [ESTJ (Executive)](https://www.16personalities.com/estj-personality)
- [ESFJ (Consul)](https://www.16personalities.com/esfj-personality)
- [ISTP (Virtuoso)](https://www.16personalities.com/istp-personality)
- [ISFP (Adventurer)](https://www.16personalities.com/isfp-personality)
- [ESTP (Entrepreneur)](https://www.16personalities.com/estp-personality)
- [ESFP (Entertainer)](https://www.16personalities.com/esfp-personality)