PromptVigil by PromptVigil

Protects AI chats from privacy leaks, suspicious links, prompt injection, and scam content.

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About this extension

PromptVigil helps you use AI tools more safely.

It protects supported AI sites like ChatGPT, Claude, and Copilot by scanning prompts, responses, links, and supported file uploads before risky content causes harm.

What PromptVigil does:

Warns before sensitive data is shared with AI tools
Detects exposed secrets such as API keys and tokens
Flags suspicious links and scam-style content
Detects common prompt injection and unsafe instruction patterns
Redacts risky content when a safer retry is possible
Shows an activity log with redacted event details and action history
Provides local-first protection controls and policy settings

How it works:

PromptVigil analyzes supported AI interactions locally in the browser by default
Raw prompts and raw AI responses are not sent by default
Raw text logging is off by default
Anonymous telemetry is optional and does not include raw prompt or response text

Who it is for:

Individuals who want safer daily AI use
Teams that want guardrails for AI prompts and file uploads
Organizations that want visible, user-facing AI interaction protection

Current protection areas:

Sensitive data and payment-like values
Secrets and credentials
Suspicious links
Prompt injection patterns
Fraud and scam-style content

PromptVigil is designed to reduce accidental oversharing and risky AI interactions without requiring users to change how they work.

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Permissions and data

Required permissions:

Access browser tabs
Access your data for chatgpt.com
Access your data for chat.openai.com
Access your data for claude.ai
Access your data for www.copilot.com
Access your data for copilot.microsoft.com
Access your data for gemini.google.com
Access your data for grok.com
Access your data for grok.x.ai
Access your data for www.grok.com
Access your data for www.perplexity.ai

Optional permissions:

Access your data for aipg-config-backend.onrender.com
Access your data for chatgpt.com
Access your data for chat.openai.com
Access your data for claude.ai
Access your data for www.copilot.com
Access your data for copilot.microsoft.com
Access your data for gemini.google.com
Access your data for grok.com
Access your data for grok.x.ai
Access your data for www.grok.com
Access your data for www.perplexity.ai

Data collection:

The developer says this extension doesn't require data collection.

Optional data collection, according to the developer:

Technical and interaction data
Web site activity