LeetSense: VS Code-like Autocomplete & IntelliSense for LeetCode
leetsense.dev · Developer Tools
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Description
LeetCode autocomplete and IntelliSense for Python, C++, JavaScript, and TypeScript. Bring a real IDE experience to LeetCode. LeetSense enhances LeetCode's editor with powerful IntelliSense features, making coding interviews and practice faster, smoother, and more enjoyable. FEATURES • Intelligent code completion • Autocomplete • Type-aware suggestions • Function signature help • Hover information • Multi-language support • Fast, lightweight, and client-side Whether you're solving arrays, graphs, dynamic programming, or system design problems, LeetSense helps you spend less time remembering APIs and more time solving problems. WHY LeetSense? LeetCode's editor is intentionally minimal. LeetSense brings the productivity of a modern IDE directly into your browser without changing the LeetCode experience. • No AI-generated solutions • No code generation • No distractions • Just smarter editing HOW IT WORKS Install LeetSense, open a problem, and start typing. It activates automatically and uses the editor’s existing completion interface, so the experience feels familiar without covering or replacing the editor. SUPPORTED LANGUAGES Support is being added progressively, including: • C++ • Python • JavaScript • TypeScript • And more PRIVACY LeetSense works entirely in your browser. Your code stays on your device and is never sent to our servers. WHAT’S NEW IN 1.2.0 • Added a persistent engine status beside LeetCode’s Saved indicator. • Python and C++ now show Starting, Ready, Restarting, or Unavailable states. • Ready appears only after current diagnostics have reached the editor. • Added automatic recovery when a Python or C++ language engine becomes unresponsive. • Improved bridge reconnection so later actions recover after temporary failures. • Reduced C++ completion workload for faster, smaller responses. • Language engines shut down after inactivity to release resources. • The offscreen engine process now closes when LeetSense is truly idle and restarts automatically when needed. • Improved lifecycle and performance logging for easier troubleshooting. • Improved reliability across language switches, model changes, navigation, and extension reloads. LeetSense is an independent project and is not affiliated with or endorsed by LeetCode.