Read classic English stories with adjustable language levels. Choose B1, B2, or C1 difficulty and modify it instantly. Save new vocabulary, add notes, and track reading time and pages.
Convert numbers between binary, octal, decimal, duodecimal, and hexadecimal. Input a value and instantly see conversions in all supported bases. Adjust settings and view numerical representations side by side.
Read texts from A1 to C2 levels daily to improve vocabulary and comprehension. Complete structured challenges tailored for IELTS, CEFR, TOEFL, and other exams. Track progress and receive next-level recommendations.
