Welcome to Katalab
Build stronger vocabulary and write better English.
Learn essential, academic, and topic vocabulary, improve your writing skills, and prepare for English tests through clear step-by-step practice.
Main Learning Focus
Vocabulary + Academic Writing
Build practical vocabulary, understand academic word use, and develop clearer English writing through structured practice.
2,000+
Core words
500+
Academic word families
95+
Topic vocabulary words
20
IELTS writing tests
Vocabulary Learning
Build your English from core words, academic vocabulary, and practical topic-based word collections.
Explore VocabularyWriting Skills
Build better paragraphs, improve sentence control, plan essays, and write clearer academic responses.
Practice WritingReading Skills
Learn how to understand main ideas, details, references, vocabulary in context, and complex test-style passages.
Start ReadingEnglish Learning Articles
Read practical guides about IELTS, English learning, vocabulary development, and test preparation.
Read ArticlesVocabulary Library
Build vocabulary for real progress
Start with common English words, continue with academic vocabulary, and then learn topic-based words for reading, writing, study, and test preparation.
Core 2,000 Common Words
AvailableThe foundation collection for general English reading fluency and sentence understanding.
Academic Word List
AvailableAcademic vocabulary for reading and writing, with more than 500 academic word families.
Topic Vocabulary
AvailableTopic-based vocabulary for technology, education, business, environment, and more.
Learning Roadmap
Build your English in a clear order.
Begin with useful vocabulary, strengthen your academic word knowledge, improve your writing, and then apply those skills to English test tasks.
Build Core Vocabulary
Learn common English words that support everyday reading and sentence understanding.
Learn Academic Vocabulary
Develop the academic vocabulary needed for stronger reading and writing.
Develop Writing Skills
Improve paragraph structure, sentence clarity, planning, and idea development.
Apply Test Strategies
Use your vocabulary and writing skills in IELTS and other English test tasks.