Scan and redact sensitive information from your text — emails, phone numbers, credit cards, SSNs, IPs, URLs, and street addresses — with preview and selective redaction. Everything runs locally in your browser.
Paste your text containing sensitive data into the input area.
Check or uncheck the detection types you want to scan for.
Click Analyze to scan the text and view all found items.
Use Show Preview to see matches highlighted in yellow.
Click Redact All to replace all matches, or Redact Selected to replace only checked items.
Copy the redacted output using the Copy Redacted button.
What is Batch Text Redactor?
The Batch Text Redactor scans your text for personally identifiable information (PII) and other sensitive data, including email addresses, phone numbers, credit card numbers, U.S. Social Security Numbers, IP addresses, URLs, and street addresses. Each detection type can be toggled on or off, giving you full control over what gets redacted.
After scanning, you see a detailed report of every match with its type, exact content, and character position. You can preview highlighted matches in the original text, redact all items at once, or selectively redact only checked items. Each redacted item is replaced with a clear label like [EMAIL], [PHONE], or [SSN] so you know what was removed.
For credit card numbers, an optional Luhn algorithm validation filters out false positives, ensuring only structurally valid card numbers are flagged. All processing happens entirely in your browser — your sensitive text is never uploaded to any server.
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FAQ
Is my text uploaded to your servers?
No. All scanning, analysis, and redaction happens entirely in your browser using JavaScript. Your text never leaves your device.
What types of data can it detect?
Emails, US phone numbers, credit card numbers (with optional Luhn validation), US Social Security Numbers (123-45-6789 format), IP addresses, URLs, and US-style street addresses (e.g., 123 Main Street).
What is Luhn validation for credit cards?
The Luhn algorithm is a checksum used to validate credit card numbers. When enabled, the tool only flags numbers that pass this check, filtering out random digit sequences that look like card numbers but aren't structurally valid.
What label is used to replace redacted items?
Each type gets a descriptive label: [EMAIL], [PHONE], [CARD], [SSN], [ADDRESS], [IP], or [URL]. This makes it clear what kind of information was removed.
Can I preview what will be redacted before applying?
Yes. Click Show Preview after analysis to see the original text with all matches highlighted in yellow, so you can review what will be redacted.
How are overlapping matches handled?
When two matches overlap, only the first (leftmost) match is kept to avoid conflicts during redaction.
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