On-Device NER Redactor
Redact PII with regex plus optional on-device NER - nothing uploaded.
OpenScan text for emails, phones, and card-like patterns locally. - runs entirely in your browser. Free, fast and private.
Add logs, tickets, or documents that may contain PII.
Emails, phones, and card-like numbers highlight locally.
Each hit shows type, snippet, and position context.
Remove or mask findings before exporting text.
PII Detector is a free privacy & compliance utility on OneDevToolkit. Scan text for emails, phones, and card-like patterns locally. It runs in your browser for this session - use the workspace on this page to try it.
Need a related step? Open the Privacy & Compliance hub at /privacy-tools/ or the <a href="/blog/">blog</a> for longer workflows.
Processes data instantly with no server round-trips.
Your data never leaves your browser. Nothing is uploaded.
Works in any modern browser. Nothing to download or install.
No limits, no sign-up, no credit card required.
Works on desktop, tablet and mobile devices.
Beautiful in both themes. Your preference is saved.
Keyboard shortcut
Open PII Detector when you need a quick result without uploading data to a third-party site.
No install required - bookmark the tool and return anytime.
Client-side processing keeps inputs on your device for core OneDevToolkit tools.
Answers for this tool. For site-wide help, open the FAQ hub.
Generators and hashers run locally. Still, never paste production secrets into any site if your security policy forbids it.
Results live in page memory until you leave or clear. Favourites/history do not save password fields unless you explicitly store them in Vault.
When applicable, tools rely on Web Crypto or well-known libraries. Read on-page notes for exact algorithms (SHA-256, bcrypt-style notes, etc.).
After load, crypto helpers typically work offline. Confirm network independence for your threat model.
Browser CSPRNG (crypto.getRandomValues) powers secure generators when the tool states so.
Treat generated secrets like passwords - share only through approved password managers, never chat apps.
OneDevToolkit aids technical workflows; it is not a certification product. See Compliance for processing model language.
Always check you are on your real OneDevToolkit domain before entering sensitive material.
Contact us via Contact with responsible-disclosure details - do not include live production secrets.