LingoKey is a small system-level window for developers who think in Chinese, work with English AI coding tools, and want less copy-paste friction.
LingoKey keeps the product narrow: polish before you send, explain after you read, save what matters, and review useful expressions later.
Turn Chinese or mixed-language drafts into direct, natural prompts for Codex, Claude Code, Cursor, or any AI coding assistant.
Select unfamiliar English from AI output and open a lightweight explanation with meaning, context, and alternate phrasing.
Copied and confirmed results are saved to your history so useful phrasing, explanations, and favorites stay close at hand.
Turn explanations into a small review deck for the phrases, sentence patterns, and technical wording you actually met while coding.
LingoKey lives at the system level, appears when you need it, and helps turn everyday coding friction into reusable language memory.
Draft naturally in Chinese, English, or both. LingoKey preserves the technical intent and rewrites it into a prompt that is ready for coding agents.
Select unfamiliar wording from AI output and get a focused explanation with meaning, technical context, and useful alternatives.
History, favorites, and flashcards turn polished prompts and explanations into a lightweight personal phrasebook.
Press the main hotkey. A compact always-on-top window opens with the input already focused.
Write in Chinese, English, or a mix. LingoKey rewrites it into your configured learning language while preserving technical intent.
Copy the result into your AI coding assistant. Confirmed results are added to local history, and favorites can shape matching future rewrites.
When AI output contains an unfamiliar phrase, select it and press the explain hotkey for native-language context.
Send important explanations to flashcards so the wording you struggled with can come back for a quick review.
Main, explain, and settings shortcuts are customizable. The app also supports history, flashcards, theme, opacity, always-on-top, auto-start, language pair, and provider settings.
LingoKey is open source and free. It works with OpenAI-compatible APIs, defaults to DeepSeek, and keeps your API key in local settings.