Synchronize learning progress across multiple devices
LangRead syncs reading progress and learned words across devices when users sign in, enabling seamless continuation of language learning on phones, tablets, and computers

Read books, learn languages one word at a time
LangRead is a web app that gradually swaps words in your book with your target language, letting you learn as you read. Accept each word, see translations and definitions, and track your progress. Works with PDF, EPUB and Kindle formats.
LangRead syncs reading progress and learned words across devices when users sign in, enabling seamless continuation of language learning on phones, tablets, and computers
Premium plan includes advanced progress tracking and analytics that help users monitor vocabulary growth, understand learning patterns, and measure improvement across multiple devices
Basic word translation feature provides immediate definitions and translations, helping users understand unfamiliar vocabulary without interrupting their reading flow
LangRead allows users to upload their own documents (PDF, EPUB, AZW3, MOBI) and learn vocabulary directly from that content, enabling contextual language learning with personally relevant materials
Free tier provides basic word translation and access to existing content, allowing users to explore the platform and learn vocabulary at no cost before deciding to upgrade