Pastelint

PasteLint protects you from accidentally pasting sensitive information in the wrong place. It analyzes clipboard content locally and warns you about potential security risks when filling out web forms.

🔒 KEY FEATURES:

• Smart Content Detection
Detects emails, phone numbers, passwords, API keys, crypto keys, and seed phrases

• Context-Aware Analysis
Analyzes field types, labels, and domain environments to assess risk

• Risk Assessment
Evaluates risk levels (low, medium, high) and warns you before dangerous pastes

• Privacy-First Design
All analysis happens locally in your browser - your data never leaves your device

• Smart Profiles
Choose from Development Mode, Production Mode, or Crypto Mode based on your needs

• Allowlist Support
Trust specific domains to always allow pastes without warnings

🛡️ USE CASES:

• Online Forms: Prevents pasting email addresses into phone number fields
• Password Protection: Warns when pasting passwords into non-password fields
• Financial Information: Protects credit card numbers and bank account details
• Personal Information: Alerts when pasting sensitive data into public fields
• Work & Business: Prevents accidental leaks of API keys and credentials
• Cryptocurrency: Extra protection for crypto wallet keys and seed phrases
• Social Media: Warns before pasting sensitive content into public posts

🔐 PRIVACY & SECURITY:

• No clipboard storage - content analyzed in memory only
• No network calls - all analysis happens locally
• No analytics or telemetry
• No data collection or transmission
• Open source and transparent

Perfect for anyone who values privacy and wants an extra layer of protection when filling out forms online.