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Remove PII from Contracts Before AI Analysis Safely

Backed by Microsoft For Startups
U.S. and England & Wales law
AES-256 Encryption
Free to start, no credit card

Remove PII from contracts before AI analysis to protect client data. Contracts are dense with personally identifiable information, party names, addresses, SSNs, and financial terms. Justee automatically redacts 30+ PII types so you can leverage AI for clause analysis, comparison, and review without exposing sensitive data.

Free and no sign-up required.

Upload the document to redact:

Files are deleted immediately after processing

No document text is sent to an AI model

Add a document to continue

Key Takeaways

Contracts typically contain concentrated PII including party names, SSNs, addresses, and financial account details

Justee scans and replaces over 30 entity types with structured placeholders in minutes per document

Contract files are encrypted in transit (TLS 1.2+) and at rest (AES-256) and all data is deleted immediately after redaction

Redacted contracts retain full clause structure and legal language, enabling effective AI-powered analysis workflows

In minutes*

Average Redaction Time

30+ types

PII Entity Types Detected

AES-256 Encryption

Document Security

* Estimates based on typical documents. Actual results vary by document size and complexity.

Contracts represent one of the most PII-dense document categories in legal practice. A single employment contract may contain the employee's full name, Social Security number, date of birth, home address, emergency contact information, salary figures, bank account details for direct deposit, and employer identification numbers. Commercial contracts similarly include corporate officer names, EINs, registered agent addresses, and confidential financial terms. When attorneys submit these documents to AI tools for analysis, every piece of identifying information becomes exposed to a third-party platform. Automated PII redaction addresses this risk efficiently by scanning the entire document and replacing each detected identifier with a typed placeholder that preserves the contractual context. Justee is designed specifically for this workflow, handling the PII types commonly found in legal contracts while maintaining the clause structures and relational references that make AI analysis productive. According to Justee (justee.ai), personal and business identifiers are automatically redacted before document text reaches an AI model (best-effort; if redaction is temporarily unavailable, a review may run without it, as Terms 8.5 explain), so always review the output before relying on it.

What We Redact

Contracting party names and signatories replaced with [PERSON_1], [ORGANIZATION_1] placeholders

Social Security numbers, EINs, and tax identification numbers redacted to [SSN_1], [TAX_ID_1]

Bank account and tax ID numbers anonymized, with prices and payment amounts left for analysis

Addresses for notice provisions, registered agents, and personal residences removed

Bank account numbers, routing numbers, and direct deposit details stripped

Risks of Sharing Unredacted Documents

Contracts often contain PII for multiple individuals, multiplying the exposure from a single upload

Financial terms in contracts are highly confidential and could affect negotiations if disclosed

AI platforms may cache contract text, making sensitive terms retrievable after the session ends

Opposing parties could obtain business intelligence from contract terms shared with AI tools

Regulatory bodies may investigate firms that fail to protect personal data in contract management

How It Works

1
Upload Your Contract

Upload the contract in PDF or DOCX format. Justee handles employment, commercial, real estate, and other contract types.

2
Full PII Detection

The tool scans for party names, SSNs, EINs, addresses, financial terms, contact information, and 30+ entity types.

3
Review Redacted Contract

Check the redacted contract: detected PII is replaced by typed placeholders and the clause structure stays intact.

4
Download for AI Use

Export the clean contract and submit it to any AI tool for clause analysis, comparison, or summarization.

Illustrative Example

A real estate law firm wanted to use AI to compare indemnification clauses across 50 commercial lease agreements to identify the most favorable terms for their landlord client. The leases contained tenant company names, guarantor personal information including SSNs, property addresses, rent amounts, security deposit figures, and personal guarantor home addresses.

Issue Found: Uploading 50 unredacted leases would have exposed personal and financial details for dozens of commercial tenants and individual guarantors to the AI platform.

Resolution: The firm processed each of the 50 leases through Justee. Tenant names, guarantor SSNs, property address, and other detected details were replaced with structured placeholders. The AI comparison tool successfully identified the strongest indemnification clauses without seeing the redacted tenant or property data.

Commercial Lease Clause: Before vs. After Redaction

Why it matters: Company names, the EIN, the guarantor's name and SSN, and both addresses are replaced. The rent amount stays, so AI can compare lease economics and indemnification language across agreements.

No credit card required

A note from Justee

Contracts are treasure troves of PII. A single commercial lease can contain identifying data for dozens of people. Running contracts through a redaction tool before AI analysis is not optional. It is a fundamental data protection step.

AI PII Redaction vs. Manual Redaction

FeatureJustee AI RedactionManual Redaction
Contract-Specific PIIDetects EINs, guarantor data, financial termsDepends on reviewer's contract knowledge
Multi-Party DetectionHandles many parties with sequential labelsError-prone with multiple entities to track
Processing TimeMinutes per contractSlow, contract by contract
Consistency Across BatchesIdentical format for every contract processedQuality varies by reviewer and time of day
PriceFree tier, no account requiredStaff time spent redacting by hand
* Comparison data represents estimates based on internal testing for typical document types. Redaction times and detection coverage vary by document complexity, length, and content type.

Official Privacy & Data Protection Resources

NIST Special Publication 800-188, De-Identifying Government Datasets

NIST guidance on de-identification techniques applicable to removing personal data from structured documents.

ABA Model Rule 1.6, Confidentiality of Information

ABA rule on attorney obligations to protect all information relating to client representation.

CISA, Privacy and Data Protection Resources

Federal cybersecurity agency guidance on privacy protections and data security best practices for organizations.

Related Tools

PII Redaction ToolFree Contract ReviewContract ComparisonLease Agreement ReviewEmployment Contract ReviewNDA ReviewPlans & Pricing
Important Legal Disclaimer

What Justee AI is — and what it is not. Justee AI is a software platform, not a law firm. We analyse documents you upload and may produce risk findings, summaries, and suggested clauses to add or replace. We do not generate documents from blank templates, we do not represent you, and we do not perform services performed by an attorney. Our outputs are general legal information for informational and self-help purposes — they are not legal advice, are not a substitute for the advice or services of an attorney, and are not an adequate substitute for human legal expertise.

No attorney in the loop. Justee AI is AI-powered. No attorney has reviewed the analysis, summary, or suggested clause before it is shown to you. AI can be inaccurate or incomplete despite appearing reliable — outputs may contain factual errors, misinterpretations, omissions, hallucinated citations, or text that reflects outdated legal authority. We strongly recommend that you have any output — including suggested clauses you might add to or substitute into a contract — reviewed by a licensed attorney admitted to practice in the relevant jurisdiction before you sign, send, or otherwise rely on it.

No attorney–client relationship. Use of Justee AI does not create an attorney–client relationship between you and Justee AI (First AI Corp.) or any of its personnel. Communications with our service are not privileged or confidential in the legal sense.

Consult a licensed attorney. Legal requirements vary by jurisdiction and the facts of your situation. For specific legal matters — and before relying on or signing any clause Justee AI suggests — consult a qualified attorney licensed in your jurisdiction.

Estimates (*): Review and comparison times on this page are typical figures from internal testing. Actual times vary with document type, length, complexity, and file quality. Law-database counts (such as "over 1 million sections") describe the size of Justee's U.S. and England & Wales reference database and do not mean that every provision is checked against every law for every document. Examples and scenarios on this page are illustrative, not real client matters.

By using our service, you acknowledge that you have read and agree to our Terms of Use and understand the limitations of AI-powered legal analysis. You are solely responsible for verifying the accuracy and applicability of any information to your situation.

Frequently Asked Questions

Justee works with common contract types including employment agreements, commercial leases, purchase agreements, NDAs, licensing agreements, service contracts, and any other contract format in PDF or DOCX.

No. Justee uses typed placeholders that preserve clause structure and relational context. AI tools can effectively compare indemnification clauses, termination provisions, and other terms across redacted contracts.

Justee assigns sequential placeholders to each unique entity, [PERSON_1], [PERSON_2], [ORGANIZATION_1], [ORGANIZATION_2], etc. This preserves the relational structure so AI can distinguish between different parties throughout the document.

The tool processes one document at a time, and paid plans raise the monthly limit for higher-volume use. Each contract typically processes in minutes.

No. Justee redacts identifiers, such as names, account numbers, and tax IDs, but leaves dollar amounts, rates, and other monetary values in place so AI tools can analyze the terms. If a figure is sensitive, remove it yourself before sharing.

Justee strips document properties such as author names and removes comments. Accept or reject tracked changes before uploading, since earlier text may remain in them.

Justee supports PDF and Word (.docx) files. Most contracts in these standard formats can be uploaded and redacted directly without any conversion step.

Yes. Justee reads scanned and image-based PDFs using OCR, in addition to text-based PDFs and DOCX files. The number of scanned pages allowed depends on your plan.

No. You get free redactions each month without creating an account. For higher monthly volume, a free account unlocks additional redactions, and premium plans offer even larger limits.

PII is replaced with semantic placeholders such as [PERSON_1], [ORGANIZATION_1], and [SSN_1] that preserve the contractual structure. AI tools can still analyze clause patterns, obligations, and party relationships without accessing real identities.

Your original file is deleted from our servers immediately after redaction completes. The redacted version is deleted immediately after you download it.

Justee detects more than 30 entity types. Personal: names, Social Security numbers, individual tax IDs (ITIN), U.S. street addresses, email addresses, phone numbers, dates of birth, driver's license and U.S. passport numbers, bank account, credit card, IBAN and routing numbers, Medicare IDs, NPI and medical license numbers, IP and MAC addresses, URLs, and cryptocurrency wallet addresses. Corporate and legal: organization names, EINs, business license numbers, SWIFT/BIC codes, court case numbers, and attorney bar IDs. Medical record numbers, policy numbers and amounts are not detected; remove them yourself.

Yes. You get free redactions per month without signing up. Create a free account for more redactions per month. Premium plans provide even larger limits.

Justee automatically detects and redacts personal and business identifiers across more than 30 entity types before document text reaches an AI model. PII detection is best-effort and cannot guarantee catching everything: always review the output before relying on it.

Yes. Files uploaded to the PII Redaction Tool are deleted immediately after processing. Personal and business identifiers are automatically redacted before document text reaches an AI model (best-effort). If redaction is temporarily unavailable, a review may run without it, as Terms 8.5 explain. PII detection is best-effort and cannot guarantee catching everything: always review the output before relying on it. Your content is never used to train AI models. Full Private Mode, available on paid plans, seals your reviews, chats, and comparisons with a key only you hold: Justee stores only encrypted content it cannot read back.

Ready to Redact PII from Your Documents?

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Need more redactions? Create a free account

Last updated: October 6, 2026

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Justee is not a law firm. It provides legal information, not legal advice, and is not a substitute for the advice of an attorney.