AI assistant for safe, reliable productivity with code, collaboration, and integrations.
Boundary
$2.99/moStarting price
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About Boundary
Boundary is a browser extension designed to protect sensitive data when using AI assistants like ChatGPT and Claude. It automatically sanitizes prompts by identifying and redacting personally identifiable information, financial data, API keys, and other credentials before messages reach the AI. The tool operates with zero configuration and minimal latency, running entirely on the user’s device to ensure data never leaves their control. It supports both basic regex-based redaction and advanced machine-learning-powered detection, allowing users to choose based on their security and performance needs. Boundary provides anonymized analytics and usage insights while maintaining a zero-knowledge architecture. The extension integrates seamlessly into existing workflows without requiring workflow changes or additional steps from the user.
Key features
- PII redaction (emails, phones, SSNs, addresses)
- Financial data security (credit cards, CVVs, bank details)
- API keys and credentials masking for major platforms
- Custom redaction rules via regular expressions and keywords
- Anonymized analytics and usage insights dashboard
- Basic and advanced redaction modes for performance control
- Real-time prompt scanning with near-zero latency
- Zero-knowledge architecture ensuring data privacy
Use cases
- Protecting confidential business information in AI prompts
- Preventing accidental leakage of API keys and credentials
- Complying with data privacy regulations during AI usage
Pros
- Zero-configuration setup with automatic protection
- Supports real-time redaction of PII, financial data, and credentials
- Runs entirely on-device with no data storage or logging
- Offers both basic regex and advanced ML-based redaction modes
- Provides anonymized analytics and usage insights
Cons
- Browser extension limited to Chrome
- Free tier includes a 30 prompts/month quota
- No mobile or desktop application support
- Enterprise features not available on free plan
Frequently asked questions about Boundary
What is Boundary and what does it do?
Boundary is a browser extension that protects sensitive data when using AI assistants like ChatGPT and Claude. It automatically sanitizes prompts by identifying and redacting personally identifiable information, financial data, API keys, and other credentials before messages reach the AI.
Who should use Boundary?
Boundary is designed for individuals and organizations that need to protect sensitive data while using AI assistants. It suits power users, startups, and enterprises with varying security and compliance needs.
How does Boundary work?
Boundary works by installing as a browser extension and running silently in the background. It scans and redacts sensitive data from prompts before they reach the AI, ensuring data never leaves the user's device. Users can choose between basic regex-based redaction or advanced machine-learning-powered detection.
Does Boundary require any configuration?
No, Boundary operates with zero configuration and minimal latency. It begins protecting prompts automatically after installation, requiring no additional setup or workflow changes.
What types of data does Boundary protect?
Boundary protects personally identifiable information (e.g., names, emails, phone numbers), financial data (e.g., credit card numbers, bank details), API keys, passwords, and other credentials. It also supports custom redaction rules for proprietary information.
Does Boundary store or log user data?
No, Boundary follows a zero-knowledge architecture and never stores or logs user data. It provides anonymized analytics and usage insights while maintaining complete privacy and transparency.
