Text Redactor
Mask contact details and custom terms, then review the redacted text.
Private by design
Your inputs stay on your device and are not sent to our servers. Optional usage analytics does not receive your files or tool inputs.
How to use Text Redactor
- Paste text, load a UTF-8 file or try the sample.
- Choose options and select Run. Review the result, counts and any warnings.
- Copy or download the result in an available format. Run again after changing inputs.
What are the limits of Text Redactor?
Pattern matching assists manual review and cannot guarantee anonymization. Phone, IP and payment-card candidates can be missed or misclassified; cards use a Luhn check. Up to 50 literal custom terms. Overlapping spans are merged. The input remains visible until cleared, and no original values appear in the match list. Review the entire output before sharing. Text and files stay in browser memory and a local worker. No uploads, account access, network lookups or automatic storage. Refreshing clears your work. Input is limited to 500 KB and generated output to 1 MB; processing times out after five seconds. Downloads and clipboard copies contain the output you choose.