Guide
Summarising a contract, rewording a report, analysing a table: AI assistants are useful. What you paste into them leaves your computer.
Updated
An online AI assistant processes what you send on its provider's servers. Depending on the provider, the plan and the settings, the content may be kept for some time, reviewed for abuse, or used to improve models. Your organisation may also have rules about which tools may receive which documents.
The question is not only whether the provider can be trusted. The people named in a document did not agree to their data being sent to a new recipient, and that decision is often not yours alone.
A document stripped of everything is no longer useful. Keep what the question needs: the structure, the clauses, the amounts, the dates when they matter. Masking a name does not stop an assistant from summarising a contract or spotting an inconsistency in a report.
Masked values become black blocks, or █ characters in a text file. The assistant sees that something was there, not what it was. If the task needs to tell people apart, say so in your question ("the first party", "the second party").
Many anonymisation tools are themselves online services: to remove the data before sending it to one provider, you send it to another. Masking the document on your own computer means the original never leaves it; only the masked copy does, to the recipient you choose.
Masking names and identifiers lowers the risk; it does not make every document anonymous. What remains (a context, a sequence of events) can still identify someone to a reader who knows the situation. Read the masked copy as its recipient would before sending it.
Settings and plans that limit retention or training reduce what the provider keeps, but the document is still sent and processed on its servers. Masking before sending is the only way the masked data never leaves your computer.
Usually, yes: the structure and the meaning remain. Tell it what the masks stand for if it matters ("the employee", "the supplier"), and keep the values the task actually needs.
Its optional detection model runs on your computer, like the rest of the analysis. It is downloaded only if you ask for it in Settings, and nothing about your documents is ever sent.
To remove personal data from a document, many tools ask you to upload it first. Before choosing, look at where the document goes and who can see it.
Redacting a PDF means removing information from the file, not hiding it on screen. Here is the method, the traps, and how to check the result.
A person who asks for their data is entitled to a copy of it. The other people named in the same documents are entitled to stay out of it.
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