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Redact PII from Legal Documents Before Using AI Tools

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

Redact PII from legal documents for AI analysis with Justee's free, automated tool. Attorneys increasingly rely on AI for document review, but uploading unredacted legal files puts client data at risk. Justee detects and removes 30+ types of PII from contracts, pleadings, and briefs so you can use AI tools with less risk to client confidentiality.

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

Justee automatically detects and redacts over 30 PII entity types from legal documents in minutes

Documents are encrypted in transit (TLS 1.2+) and at rest (AES-256) and files are deleted immediately after redaction completes

Automated redaction is one practical step toward the confidentiality duties in ABA Model Rule 1.6

Free web-based tool requires no account creation and works with PDF and DOCX files

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.

The American Bar Association has acknowledged that lawyers must take reasonable steps to safeguard client information when using technology, including generative AI tools. ABA Formal Opinion 477R emphasizes that attorneys should employ reasonable efforts to prevent inadvertent or unauthorized disclosure of client data. PII redaction before submitting documents to AI platforms represents one practical measure attorneys can adopt to mitigate the risk of exposing names, Social Security numbers, financial account details, and other sensitive identifiers. Tools like Justee automate this redaction process, scanning for over 30 entity types and replacing them with structured placeholders. By removing personally identifiable information prior to AI analysis, attorneys can obtain the efficiency benefits of generative AI while maintaining their duty of confidentiality. This approach is consistent with state bar ethics guidance that calls for reasonable data protection measures when lawyers use technology. 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

Full names, aliases, and party identifiers replaced with [PERSON_1], [PERSON_2] placeholders

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

Email addresses, phone numbers, and physical addresses anonymized systematically

Financial data including bank accounts, credit card numbers, and routing numbers removed

Case-specific identifiers such as docket numbers and bar IDs replaced with structured tokens

Risks of Sharing Unredacted Documents

Uploading unredacted client files to AI tools may constitute a breach of confidentiality duties

Exposed Social Security numbers and financial data create identity theft liability for the firm

AI platforms may retain or log submitted data, creating long-term exposure risks

Opposing counsel could use inadvertently disclosed information against your client

State bar disciplinary boards increasingly scrutinize attorney use of AI with client data

How It Works

1
Upload Your Document

Drag and drop your legal document in PDF or DOCX format into the Justee redaction tool.

2
Automatic PII Detection

Justee scans for 30+ entity types including names, SSNs, addresses, bank and card numbers, and case identifiers.

3
Review Redacted Output

See a count of what was found, by type, then download the redacted file and check it.

4
Download and Use with AI

Export the clean document, check it, and submit it to the AI tool you use.

Illustrative Example

A mid-size litigation firm wanted to use AI tools to summarize a batch of 40 employment contracts for a class action review. Each contract contained employee names, Social Security numbers, salary figures, home addresses, and direct deposit banking details.

Issue Found: A junior associate nearly uploaded unredacted contracts containing PII for 40 employees, which would have exposed sensitive personal and financial data to a third-party AI platform.

Resolution: The firm implemented a policy requiring all documents to be processed through Justee's PII redaction tool before any AI submission. Each of the 40 contracts was redacted, replacing the detected identifiers with structured placeholders while preserving the contractual language needed for AI analysis.

Employment Contract Clause: Before vs. After Redaction

Why it matters: Each detected identifier is replaced with a typed placeholder, preserving the contractual structure for AI analysis while keeping employee PII out of the prompt. The AI can still analyze clause patterns, obligations, and terms without seeing the redacted personal data.

No credit card required

A note from Justee

AI can speed up legal work, but the duty of confidentiality still applies. Redacting PII before any AI interaction is a simple, practical way to keep client identifiers out of third-party systems.

AI PII Redaction vs. Manual Redaction

FeatureJustee AI RedactionManual Redaction
Processing TimeMinutes per documentSlow, page-by-page review
PII Detection Coverage30+ entity types automaticallyDepends on reviewer attention
ConsistencyUniform placeholder format every timeVaries by reviewer and fatigue level
CostFree tier available, no sign-up neededStaff time spent redacting by hand
Audit TrailOn-screen count of items found, by typeNo built-in tracking mechanism
* 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

ABA Formal Opinion 477R, Securing Communication of Protected Client Information

ABA guidance on attorney obligations to protect client information when using electronic communications and technology tools.

NIST Special Publication 800-122, Guide to Protecting PII

Federal guidelines from the National Institute of Standards and Technology defining PII categories and recommended protection measures.

ABA Formal Opinion 512, Generative AI Tools

ABA guidance addressing attorney ethical obligations when using generative AI tools in legal practice.

Related Tools

PII Redaction ToolFree Contract ReviewEmployment Contract ReviewNDA ReviewPlans & PricingPrivacy Policy
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 detects over 30 entity types including full names, Social Security numbers, dates of birth, email addresses, phone numbers, physical addresses, financial account numbers, employer identification numbers, case/docket numbers, bar IDs, and medical license numbers. Medical record numbers, policy numbers and amounts are not detected; remove them yourself.

No. Files are processed using AES-256 encryption and deleted immediately after redaction is complete. Justee does not retain copies of your uploaded or redacted documents.

Yes. Justee is designed specifically for this use case. After redaction, you receive a clean document with structured placeholders that you can check and then upload to any AI service.

Justee replaces PII with typed placeholders like [PERSON_1] or [SSN_1] that preserve document structure and context. AI tools can still analyze clause patterns, obligations, and legal terms without needing real personal data.

Justee is a privacy tool that helps attorneys take reasonable steps to protect client data, which is referenced in ABA Model Rule 1.6. However, Justee itself is not a compliance certification. Attorneys should evaluate its use as part of their broader data protection practices.

Justee supports PDF and DOCX files. Most legal documents in these standard formats can be processed directly without conversion.

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.

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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.