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Do AI Tools Store Your Uploaded Documents Safely?

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

Do AI tools store my uploaded documents? In many cases, yes, at least for some period, and sometimes for model training. Even when AI providers say they delete data, terms of service often allow retention for quality review or compliance. Redact PII before upload so retained copies hold less of your personal 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

AI tools may retain uploaded documents on external servers and use content to improve future AI model generations.

Disabling training data sharing reduces risk but does not guarantee complete deletion of uploaded file content.

Automated PII redaction strips sensitive details before documents ever reach third-party AI platforms or servers.

Justee encrypts files in transit (TLS 1.2+) and at rest (AES-256) and then permanently deletes files immediately after redaction completes.

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.

Understanding how generative AI platforms handle uploaded documents is critical for any organization that processes sensitive information. When users upload files to AI tools, those documents are transmitted to external servers where they may be stored, processed, and potentially used as training data for future model iterations. third-party AI providers provides options to disable training on user inputs, but retention policies for abuse monitoring and safety purposes may still apply. The Cybersecurity and Infrastructure Security Agency has highlighted the importance of understanding data handling practices before integrating AI tools into business workflows. For professionals in consulting, healthcare, finance, and legal services, the practical solution is to remove personally identifiable information from documents before submission to any external platform. This approach means that if data is retained or used in unintended ways, the detected sensitive details are not part of it, and the organization keeps more control over confidential information. 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

Personal names, contact details, and identity numbers detected and replaced across entire documents

Financial account numbers, credit card data, and banking details removed before any AI submission

Social Security numbers and government-issued IDs automatically identified in all supported formats

Company names and business identifiers masked with neutral semantic placeholders

Medicare IDs, provider NPIs, and insurance policy numbers scrubbed from clinical documents

Risks of Sharing Unredacted Documents

Uploaded documents may be retained on AI tools servers for up to 30 days even with training disabled

Files containing client data could be indexed or processed by third-party infrastructure providers

Confidential deal terms and financial projections may persist in AI platform logs beyond your control

Employee personal data in uploaded HR files could trigger data breach notification obligations

Proprietary methodologies or trade secrets shared in documents may lose legal protection status

How It Works

1
Select Your Document

Upload the file you plan to share with AI tools or another AI tool. Justee supports PDF and DOCX.

2
PII Detection Runs Automatically

The Justee engine identifies over 30 categories of sensitive information including names, numbers, and financial identifiers.

3
Review and Approve

See a count of detected entities by type, then download the redacted file and check its placeholders.

4
Download the Clean Version

Export the redacted file for safe AI use. Your original document is encrypted with AES-256 and deleted immediately after processing.

Illustrative Example

A financial advisory firm uploaded quarterly client portfolio summaries to AI tools to generate performance commentary for investor letters. The summaries contained client names, account numbers, portfolio values, individual stock positions, and the firm's proprietary investment allocation strategy.

Issue Found: An advisor realized that uploading these summaries exposed client account numbers (e.g., FA-88421-003), portfolio balances exceeding $5M, and the firm's proprietary sector weighting model to an external platform with uncertain retention policies.

Resolution: The firm adopted Justee redaction as a mandatory pre-upload step. Client names and account numbers are now replaced with placeholders before a document reaches an AI tool, and advisors remove dollar amounts by hand.

Do AI Tools Store My Uploaded Documents?

Why it matters: Client and advisor names, account numbers, and the custodian are replaced. The portfolio value and holdings stay, so remove them yourself if they are confidential.

No credit card required

A note from Justee

You cannot control what an AI platform does with your data after upload. But you can control what data you send. Redaction puts that control back in your hands.

AI PII Redaction vs. Manual Redaction

FeatureJustee AI RedactionManual Redaction
SpeedIn minutesSlow, page-by-page review
PII Coverage30+ entity types detectedRelies on reviewer knowledge
ConsistencySame automated checks on every documentVaries by reviewer, time of day
File SecurityAES-256 encryption, auto-deletionUnredacted copies may remain locally
Output FormatSemantic placeholders for AI readabilityBlack bars or blank spaces
* 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

CISA Guidance on AI Security

The Cybersecurity and Infrastructure Security Agency provides guidance on securing AI systems and protecting data shared with AI platforms.

NIST AI Risk Management Framework

NIST resources on managing risks associated with artificial intelligence, including data handling and privacy considerations.

EFF on AI and Privacy

The Electronic Frontier Foundation covers how AI platforms handle user data and the privacy implications of uploading documents to generative AI tools.

Related Tools

PII Redaction ToolFree Contract ReviewNDA ReviewContract ComparisonPrivacy PolicyPlans & 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

AI tools may retain uploaded content for model training and platform improvement. Even with training disabled, data may be held for up to 30 days for safety monitoring. The safest approach is to remove sensitive information before uploading.

You can delete conversations, but it is unclear whether all associated file data is purged from backend systems. Prevention through pre-upload redaction is more reliable than post-upload deletion.

No. Justee encrypts files in transit (TLS 1.2+) and at rest (AES-256) and permanently deletes all files immediately after redaction is complete. No copies are retained.

Redacted documents maintain their original format with PII replaced by semantic placeholders like [PERSON_1] and [ACCOUNT_1], preserving readability for AI analysis.

Yes. Justee is built for professionals in legal, financial, and healthcare contexts. The tool helps organizations manage data exposure risks when using external AI platforms.

Justee detects over 30 entity types using pattern recognizers and an entity-recognition model on Justee's servers; no document text goes to an AI model. PII detection is best-effort and may not catch every identifier, so review the redacted file before relying on it.

Yes. You can redact documents without signing up or providing a credit card. Paid plans are available for teams and higher volume needs.

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

Justee's PII Redaction Tool combines pattern recognizers for structured data like SSNs, EINs, case numbers, and bank routing numbers with an entity-recognition model on Justee's servers; no document text goes to an AI model. Processing runs on Justee's own AWS servers, your uploaded file is deleted immediately after redaction, and nothing you upload is used to train AI models.

third-party AI providers states that data may be processed by infrastructure providers, and content can be reviewed for safety purposes. Because you cannot fully control what happens after upload, redacting PII beforehand keeps the redacted details out of the file, however the AI tool handles it.

Justee detects 30 entity types and replaces each PII instance with a semantic placeholder like [PERSON_1] or [SSN_1]. This preserves the document structure for AI analysis while removing the identifiers it detects before the document reaches AI tools.

Yes. Justee is free to use without signup. Upload your document, see a count of detected entities, and download the redacted version. All processing happens on Justee's servers on AWS; no document text goes to an AI model, and nothing you upload is used to train AI models.

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 22, 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.