Ofradr is an invisible AI-powered screen overlay assistant designed for coding interviews and proctored exams. It's completely undetectable by screen sharing, recording, and proctoring software.

Yes, Ofradr Community Edition is completely free. Unlike Cluely ($20/month) or Interview Coder ($19/month), Ofradr offers full functionality at no cost.

Does Ofradr work with proctoring software?

Yes, Ofradr is invisible to all major proctoring software including ProctorU, Proctorio, HonorLock, ExamSoft, Safe Exam Browser (SEB), Mercer Mettl, and more.

Is Ofradr better than Cluely?

Yes, Ofradr offers better stealth technology (native C++ vs Electron), smaller size (800KB vs 50MB+), offline support, and it's free compared to Cluely's $20/month pricing.

Can Ofradr be detected during Zoom screen share?

No, Ofradr's native overlay technology is invisible to Zoom screen sharing, Microsoft Teams, Google Meet, and all video conferencing platforms.

Does Ofradr work with HackerRank and LeetCode?

Yes, Ofradr works perfectly with HackerRank, LeetCode, CodeSignal, CoderPad, Codility, and all other coding assessment platforms.

Can Ofradr bypass Safe Exam Browser (SEB)?

Yes, Ofradr's system-level overlay works alongside Safe Exam Browser without detection. It's the only AI assistant that truly bypasses SEB lockdown.

Does Ofradr work offline?

Yes, Ofradr supports local AI models like Llama and Mistral for completely offline operation. No internet connection required, and your data never leaves your machine.

LeetCode AI Helper - Best Tools for LeetCode Interviews 2025

Struggling with LeetCode problems during interviews? Ofradr helps you solve any LeetCode challenge with AI-powered assistance.

How Ofradr Helps with LeetCode

Screenshot any LeetCode problem
Get optimal solutions with explanations
Multiple language support (Python, Java, C++, etc.)
Time and space complexity analysis

Perfect for Live Interviews

When companies use LeetCode-style problems in live interviews, Ofradr's invisible overlay helps you understand and solve problems without anyone knowing.

Using Ofradr with LeetCode

LeetCode is the most common source of interview-style problems, and many live interviews use LeetCode-pattern questions. Ofradr helps you work through them without breaking your flow.

Specifically, Ofradr helps you on LeetCode by letting you:

Capture any LeetCode problem and get an optimal approach
See multiple language solutions (Python, Java, C++, and more)
Understand time and space complexity for each approach
Get edge cases and dry-run walkthroughs

Why Ofradr is invisible on LeetCode

Ofradr renders as a native system-level overlay rather than a window or browser tab, so it is not part of the LeetCode editor and any screen share on top of it. Whoever is watching sees a clean, focused screen while your assistance stays private.

The overlay toggles instantly with a hotkey and is only ~800KB, so it stays responsive even during a live, time-pressured LeetCode session.

Getting the most out of LeetCode sessions

Combine the tool with good habits so your performance looks natural:

Talk through your reasoning out loud as you work.
Type solutions yourself instead of pasting them wholesale.
Use hints to unblock, then refine the code in your own words.
Keep Ofradr in offline mode when you need everything on-device.

Frequently Asked Questions

Can LeetCode detect Ofradr during screen share?

No. Ofradr is a native overlay that is not captured by LeetCode screen sharing or recording, so the interviewer or proctor cannot see it.

Is Ofradr free to use with LeetCode?

Yes. The Ofradr Community Edition is free, with no subscription required to use it during LeetCode sessions.

Does Ofradr slow down LeetCode?

No. At roughly 800KB with a native overlay, Ofradr has a negligible footprint and stays responsive even on long LeetCode calls.

Download Ofradr

LeetCode AI Helper - Best Tools for 2025