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Anonymize a contract before analyzing it with AI

Turn a contract into Markdown with parties, IDs, addresses and contacts hidden, then have an AI review it without exposing anyone.

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About this tool

An AI assistant is handy for summarizing clauses, spotting obligations or comparing contract versions. What it should not receive are the parties' names, ID numbers and addresses.

We detect parties when they are labelled (landlord, tenant, contractor, buyer, seller, attorney-in-fact…), their ID numbers, addresses, phones, emails and dates, and replace them with consistent placeholders: [NOMBRE_1] is the same person throughout, so the AI can still reason about who owes what to whom.

How it works

  1. 01

    Drop the contract PDF.

  2. 02

    Review each highlighted item: you can switch anonymization off to compare.

  3. 03

    Copy the Markdown or download it as .md and use it with your AI assistant.

Questions

Are the contract's amounts hidden?
They are not personal data and are kept. Note: a figure with thousands separators can look like an ID number and be flagged as a precaution; you can see it in the findings list and compare with anonymization off.
Does it detect parties even when they are not labelled?
Only partially. Once a labelled name is detected, every occurrence is replaced; a name that never appears with a label can slip through. Review the result.

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