Free for dev:
AI powered:
DET Practice

DET Practice

DET Practice is the best platform for Duolingo English Test Practice. We have the largest test bank, full-length mock exam, correction service, and DET courses.

Live Preview
AI Testing & QA
DET Practice

Similar tools in category

Explore More
HTTPie AI
HTTPie AI
Making APIs simple and intuitive for those building the tools of our time.
Selene 1
Selene 1
Frontier models to evaluate generative AI. Find and fix AI mistakes at scale, and build more reliable AI apps. Use Selene LLM-as-a-Judge to evaluate outputs and test prompts and models.
Qodex
Qodex
Automate API testing and security with Qodex.ai. Discover APIs, generate tests via chat, and secure endpoints—no coding required.