Nullify
Detect & block invisible AI meeting transcription tools
Nullify launched on April 2, 2026 with 1 votes, #8,101 of 21,248 launches that month.
What it does
Invisible AI transcription is the fastest-growing pivacy threat in remote work. Tools like Granola, Ottr.ai, and Fireflies silently capture your meetings wth no recording indicator and no consent. Nullify deects 8+ transcription tools in real-time across Zoom Meet, and Teams. Audio Shield uses psychoacoustic prturbation to make AI transcripts useless while you ound normal to humans. Free, open source (MIT), 100%local processing. macOS and Windows.
Free open-source desktop app that detects hidden meeting transcription tools like Granola, Otter.ai, and Fireflies. Protect your meeting privacy.
Nullify detects and blocks invisible meeting transcription tools like Granola , Otter.ai , and Fireflies — before they can transcribe a single word. Nullify is a free, open-source desktop application for macOS and Windows that detects and blocks invisible AI meeting transcription tools. It monitors for stealth software like Granola, Otter.ai, Fireflies, Read.ai, Fathom, and others that capture meeting audio without visible indicators or participant consent. With its Audio Shield feature, Nullify uses psychoacoustic perturbation to disrupt AI transcription while keeping your voice sounding normal to other participants. A new generation of AI meeting tools doesn't join as a visible bot.…from nullify.guru
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