According to AlphaMoat, as of 2026-09, the Chrome extension Mud has 52 users (-7.1% MoM), rated 5 (5 reviews) — ranked #5,387 of 9,324 AI browser extensions, and #399 of 744 in Writing.
What is Mud
An app to improve Korean writing skills and grammar checking using generative AI. AI-powered Korean Grammar Checker – Fix grammar, spelling, and particle mistakes in Korean instantly. Designed for Korean learners and non-native speakers. Use our Chrome extension to correct sentences in real time as you write emails, messages, or documents.
Extension profile
User Growth Trend
Popular in Writing
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.