闲言app, presented as 微风暴在线工具, is a free online reference and utility platform designed to make everyday lookups and learning tasks easier. Its tools are organized into categories including education, daily services, practical calculations, health, website administration, and leisure. The education section offers a broad collection of language and study resources: users can look up Chinese character meanings, pronunciations, radicals, strokes, and writing order; find words, idioms, synonyms, antonyms, and example sentences; and convert Chinese characters between simplified and traditional forms or into pinyin.

English-learning resources include vocabulary lists, pronunciations, examples, and abbreviation references. The site also provides riddles, poetry and classical texts, quotations, composition examples, writing guidance, and general-interest reference material such as history and science topics. Beyond learning, the platform describes tools for checking information such as geographic origins, airport codes, and world ports.

A site-wide search supports fuzzy and exact matching, helping visitors find relevant tools and reference content quickly