Secure Password CSV Comparison
Compare and merge CSV exports from different password managers while maintaining complete privacy. All processing is done locally in your browser session with no data stored or sent anywhere.
Complete Privacy
No data storage, cookies, or caching - everything stays in your session
Multiple Formats
Support for Apple, Google, 1Password, and Bitwarden CSV exports
Smart Comparison
See what's different between your password managers
Flexible Export
Merge files and export in your preferred format
1. Upload Password CSV Files
Complete Privacy by Design
- All CSV parsing and processing happens entirely in your browser session
- No data is ever stored on a server, database, or in cookies
- Session data is cleared when you close your browser
- No tracking, analytics, or third-party services
Supported Password Manager Formats
- Apple Passwords - CSV exports from Apple Keychain/Safari
- Google Password Manager - CSV exports from Chrome/Google
- 1Password - CSV exports from 1Password
- Bitwarden - CSV exports from Bitwarden
How the Process Works
- You upload two CSV files from different password managers
- The app detects the format of each file and normalizes the data
- Entries are compared based on URL and username combinations
- A detailed comparison is shown with statistics
- You choose your preferred output format
- The app merges the data and generates a downloadable CSV file
- All data is cleared when you close the browser
Security Note: While this tool is designed with security in mind, it's recommended to run it locally on your own machine for handling sensitive password data. The source code is available for inspection.