RM English Toolbox
Understand English instead of simply translating it.
The Toolbox
One tool available today. More on the way.
Explain This English
Understand English instead of translating it
Paste any English text and get a deep, structured breakdown — meaning, vocabulary, idioms, grammar, culture, and more.
Open toolFalse Friends Detector
Spot deceptive cognates before they trick you
Identify words that look familiar but mean something different in English.
Open toolVerb Explorer
Tenses, forms, and real usage
Explore any English verb across tenses, registers, and authentic contexts.
Open toolPhrasal Verb Finder
Find the right phrasal verb for the moment
Search by meaning and discover the most natural phrasal verb to use.
Idiom Explorer
Idioms with origin, usage, and nuance
Discover idioms by topic with cultural context and real examples.
Grammar Explained
Why, not just what
Understand the reasoning behind English grammar rules.