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.

Top Undetectable AI Coding Assistants for Technical Interviews 2025

In the competitive world of tech interviews, having the right tools can make all the difference. Undetectable AI assistants have emerged as game-changers for candidates facing coding interviews, proctored exams, and technical assessments.

What Makes an AI Assistant "Undetectable"?

Invisible to screen sharing and recording software
No process detection by proctoring tools
Bypasses browser-based monitoring
Minimal system footprint

Why Ofradr is the Most Undetectable Option

Unlike Electron-based tools that can be easily detected, Ofradr is built in native C++ from scratch. This fundamental difference means:

No browser window or Chromium process to detect
800KB footprint vs 50MB+ for competitors
True system-level invisibility
Works offline with local AI models

Platforms Ofradr Works With

Zoom (including Zoom proctored sessions)
Microsoft Teams
Google Meet
Proctorio
HonorLock
ExamSoft
CoderPad / HackerRank

What makes an AI assistant actually undetectable

"Undetectable" is about how the tool renders and runs, not marketing claims. Proctoring and meeting software look for shared windows, new browser tabs, screen-recording layers, focus changes, and recognisable process names. An assistant is only stealthy if it avoids all of those.

Ofradr is rendered at the system compositor level as a native overlay, so it is excluded from screen capture; it has no obvious window, and it toggles away instantly with a hotkey.

Not a shared window or browser tab
Excluded from screen recording and screen share
No focus-loss event when you read it
Optional fully-offline operation with local models

Frequently Asked Questions

Which AI coding assistant is the most undetectable?

Ofradr is among the most stealthy because it uses a native, system-level overlay that is excluded from screen capture and recording, rather than a visible window or browser-based tool.

Can proctoring software detect AI coding assistants?

It can detect ones that appear as windows, tabs, or screen-share layers. Ofradr avoids detection by keeping assistance off the captured surface entirely.

Try the most undetectable AI assistant

Download Ofradr Free