Frontier-grade Claude models with agentic workflows, strong coding, and enterprise guardrails delivered via developer console, web app, and cloud partners.
Nullgen AI Blocker
$5.99/moStarting price
0Popularity
About Nullgen AI Blocker
Nullgen AI Blocker is a browser extension that prevents text from being entered into AI chat input fields on any website. It works by detecting AI prompt boxes as pages load and blocking text entry into those fields, stopping prompts before they are submitted to an AI model. The tool operates entirely on-device with no data collection or upload, ensuring user privacy. Installation requires no account, sign-up, or configuration, and the extension functions immediately after being added to Chrome, Edge, Firefox, or Safari. Detection is automatic and supports new AI assistants without requiring updates. The free version blocks AI prompt input permanently, while Pro plans add centralized management, approval workflows, and enforcement features for families, schools, and organizations. It is designed for parents, educators, and IT teams seeking to control AI usage without disrupting general web browsing.
Key features
- Blocks typing and pasting into AI prompt fields
- Detects new AI assistants automatically
- On-device detection with no data upload
- Zero-configuration setup
- Family and enterprise admin dashboards
- Temporary or permanent AI access requests
- Force-install and pin enforcement (Pro)
- Cross-browser compatibility
Use cases
- Preventing students from using AI tools during homework
- Stopping proprietary data leaks to public LLMs in organizations
- Enforcing academic integrity on managed school devices
Pros
- Blocks AI prompts before submission, not after
- Works on any website with AI chat inputs
- Runs entirely on-device with no data collection
- No account or sign-up required for free version
- Supports multiple browsers: Chrome, Edge, Firefox, Safari
Cons
- Only supports English websites
- Free version can be uninstalled by the user
- Pro features require a paid plan
- No API or integration options mentioned
Frequently asked questions about Nullgen AI Blocker
What does Nullgen AI Blocker do?
Nullgen AI Blocker is a browser extension that prevents text from being entered into AI chat input fields on any website. It detects AI prompt boxes as pages load and blocks text entry into those fields, stopping prompts before they are submitted to an AI model.
Who is Nullgen AI Blocker designed for?
The tool is designed for parents, educators, and IT teams seeking to control AI usage without disrupting general web browsing. It is particularly useful for maintaining academic integrity, protecting children from AI misuse, and preventing data leaks in organizations.
Does Nullgen AI Blocker collect or store user data?
No. Detection runs entirely in the browser, and prompt text is never uploaded or stored. The tool operates on-device with no data collection, ensuring user privacy.
Can Nullgen AI Blocker block AI prompts on any website?
Yes. It works on any website, including new AI assistants, and leaves the rest of the web intact. Detection is automatic and supports new assistants without requiring updates.
What features does the Pro version add?
The Pro version adds centralized management, approval workflows, enforcement features, and fleet management capabilities. It allows users to manage multiple devices, set policies, and enforce installation that cannot be tampered with by the end user.
Is the free version of Nullgen AI Blocker limited or a trial?
No. The free version offers permanent prompt blocking with no limitations or trials. Pro plans add additional features and admin controls on top of the free functionality.
