HyunZero Clear sensitive details before you share.
01 · Enter 02 · Select 03 · Review & export
Enter text and run a scan.
Other details to hide Add names, addresses, or project names, one per line. Exact, case-sensitive matches; up to 20 phrases, 100 characters each. Run the scan again after edits.
Custom sensitive phrases A review aid, not a safety guarantee Finds common email, Korean phone/ID, card-number and IP formats, plus some key assignments, authentication headers, tokens, and private-key blocks. Formats may be missed or ordinary text may be flagged. Encoded content and arbitrary secrets are not fully covered.
HyunZero does not send or automatically save the input or result. Processing is in this page’s memory. Copies and downloaded files remain outside this page; clearing the page cannot erase them.
Need partial masking? Open Privacy tools 