Measure your level or just have fun — every test is free, instant, and needs no signup.
Find your exact English level across grammar, vocabulary, and reading.
Estimate how many English words you actually know.
Do you know what they really mean? Learn the ones you miss.
Boomer or Brainrot Certified? Decode modern TikTok-era slang.
Which words do you use? Find your transatlantic English lean.
More tests coming soon. Built by the team behind Deep In.