PhantomPaste Masking Engine
Securely mask sensitive data before sharing with AI. Automatic pattern detection, customizable replacements, and bidirectional mapping.
Step 1: Input Text
Paste your sensitive text below. Select which patterns to detect.
0 characters
Personal names (first, middle, last)
Email addresses
Phone numbers (various formats)
US Social Security Numbers
Credit card numbers
Physical addresses and ZIP codes
Date values (various formats)
Company names with legal suffixes
Web URLs
Various ID formats (UUID, prefixed)
Step 2: Configure Replacements
Detected fields will appear here after pattern detection.
No Patterns Detected Yet
Enter text in the input panel above and click "Detect Patterns" to find sensitive data.
Custom Rules
Add your own find and replace rules for specific patterns.
No Custom Rules Yet
Create custom find and replace rules for patterns not covered by automatic detection.
Step 3: Output & Export
Masked text will appear here after processing.
No Output Yet
Configure your detected patterns above, then process the text to see the masked output.