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.

CodeSignal AI Helper - Best Tools for CodeSignal Assessments 2025

CodeSignal powers technical assessments for companies like Uber, Dropbox, and Robinhood. Their General Coding Assessment (GCA) is notoriously difficult.

CodeSignal's Anti-Cheat Measures

Proctoring with webcam recording
Screen recording and activity monitoring
Tab switching detection
Plagiarism detection on solutions

Why Ofradr Works with CodeSignal

Ofradr's native C++ implementation means it's invisible to CodeSignal's monitoring. Get help without triggering any alerts.

Using Ofradr with CodeSignal

CodeSignal's General Coding Assessment and company tests are widely used for screening. Ofradr helps you tackle them under time pressure.

Specifically, Ofradr helps you on CodeSignal by letting you:

Capture CodeSignal tasks and get optimal approaches
Work through the General Coding Assessment (GCA) patterns
Get complexity analysis to meet performance thresholds
Reproduce solutions cleanly in your own style

Why Ofradr is invisible on CodeSignal

Ofradr renders as a native system-level overlay rather than a window or browser tab, so it is not part of the CodeSignal 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 CodeSignal session.

Getting the most out of CodeSignal 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 CodeSignal detect Ofradr during screen share?

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

Is Ofradr free to use with CodeSignal?

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

Does Ofradr slow down CodeSignal?

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

Try Ofradr Free

CodeSignal AI Helper - Best Tools for 2025