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Free AI Document Redaction Helper

Remove obvious private details before using text with AI

Paste text, choose what to redact, add any custom names or terms, and copy a safer anonymised version for AI use.

This tool runs in the browser. It is designed to reduce risk, not guarantee perfect anonymisation.

Before you paste: Do not use this page for extremely sensitive material if your organisation has rules against pasting it into browser tools. For medical, legal, financial, safeguarding or highly confidential data, consider using general descriptions instead of full text.

Redaction Helper

Paste the text below. The tool will redact common patterns and any custom terms you provide.

What should be redacted?

What this helper can and cannot do

Can help with

Obvious patterns such as emails, phone numbers, postcodes, dates and custom names you enter.

Cannot guarantee

Perfect anonymisation. Context can still identify people, especially in small communities or unique situations.

Human review required

Always read the redacted output before using it with AI. Remove anything the tool missed.

Important: This redaction helper is practical support only. It is not legal advice, data protection advice, regulatory certification or a guarantee that text is fully anonymised.