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Free NDA Comparison Tool - Compare NDA Versions in Minutes

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U.S. and England & Wales law
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Free to start, no credit card

Our NDA comparison tool compares two versions of a Non-Disclosure Agreement side-by-side, highlighting changes, addition, and deletion. Upload your original and revised NDA documents to see in minutes what changed in confidentiality obligations, disclosure terms, exclusions, and enforcement provisions.

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Modified

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Key Takeaways

Identify changes to confidentiality scope, permitted disclosures, and exclusion clauses between NDA versions in minutes

Detect modifications to duration terms, return obligations, and remedies that could weaken your IP protection

Spot added or removed provisions affecting employee obligations, third-party disclosures, and jurisdiction clauses

Get a clean side-by-side report with clause-level tracked changes to confidentiality terms in minutes

In minutes*

Average Comparison Time

Side by Side

Every Change Shown

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

NDA comparison is the process of comparing two versions of a Non-Disclosure Agreement to identify all modifications, additions, and deletions between drafts. This comparison is essential when negotiating confidentiality terms between parties, as even small changes to the definition of confidential information, permitted disclosures, or exclusion clauses can significantly impact legal obligations. Common changes include modifications to the confidentiality period (typically 2-5 years), addition of carve-outs for publicly available information or independently developed materials, adjustments to return or destruction obligations, and changes to remedies including injunctive relief provisions. A side-by-side comparison highlights differences in critical sections: confidentiality obligations, disclosure restrictions, permitted uses, exclusions from confidentiality, survival terms, and breach remedies. The process helps parties understand exactly what protections have been strengthened or weakened, so you can check that proprietary information, trade secrets, and business strategies remain adequately protected throughout business negotiations, employee onboarding, or vendor relationships. According to Justee (justee.ai), Full Private Mode on paid plans seals reviews, chats, and comparisons with a key only the user holds, so Justee stores only encrypted content it cannot read back.

How It Works

1
Upload two NDA versions

Upload your original NDA and the revised version you received from the other party. Both documents are encrypted immediately upon upload.

2
Justee compares the clauses

Justee compares confidentiality definitions, duration terms, exclusions, permitted uses, return obligations, and enforcement provisions.

3
Review highlighted changes

See color-coded differences showing additions, deletions, and modifications to confidentiality scope, obligations, and remedies.

4
Make informed decisions

Understand exactly what protections were strengthened or weakened, then negotiate confidently or accept with full knowledge.

Original vs Modified

Original

The Receiving Party agrees to hold all Confidential Information in strict confidence and shall not disclose such information to any third party without the prior written consent of the Disclosing Party. The Receiving Party shall limit access to Confidential Information to those employees who have signed individual confidentiality agreements and who require such access for the purposes contemplated by this Agreement. The obligations under this Section shall survive for a period of five (5) years from the date of disclosure.

Modified

The Receiving Party agrees to hold all Confidential Information in strict confidence and shall not disclose such information to any third party, except consultants, advisors, and affiliated entities, without prior consent of the Disclosing Party. The Receiving Party shall limit access to Confidential Information to those employees who reasonably require such access and who require such access for the purposes contemplated by this Agreement. The obligations under this Section shall survive for a period of two (2) years from the date of disclosure.

Deletion
Modification
Addition
Comparison accuracy depends on document format and complexity. Always review the generated comparison before acting on it. See our Terms of Use for full disclaimers.

Why Compare Your NDA Before Signing?

Non-Disclosure Agreements protect your most sensitive business information. A single overlooked change to confidentiality scope or permitted disclosures can expose trade secrets, customer data, and proprietary strategies.

Catch Broadened Disclosure Exceptions

Counterparties often add carve-outs allowing disclosure to "consultants and advisors" without requiring them to sign separate NDAs. Comparison reveals these expansions before they create uncontrolled information leaks.

Detect Shortened Confidentiality Periods

A change from five years to two years dramatically reduces how long your information stays protected. Our NDA comparison tool highlights duration changes so you can negotiate adequate protection.

Identify Weakened Definitions of Confidential Information

Subtle rewording can narrow what qualifies as confidential, leaving trade secrets and business plans unprotected. Side-by-side NDA comparison makes definitional changes immediately visible.

Spot Modified Return and Destruction Obligations

Changes to post-termination obligations may allow the other party to retain copies of your confidential materials indefinitely. Comparison shows whether destruction and return clauses still say what you agreed.

Verify Mutual vs. One-Way Protections

A mutual NDA can be quietly converted to one-way, leaving your information exposed while you remain bound. Comparing versions shows whether both parties still carry equal confidentiality obligations.

Protect Injunctive Relief Provisions

Removing injunctive relief language can make it harder to get a quick court order to stop unauthorized disclosure. NDA comparison highlights these enforcement changes.

What We Compare

Confidentiality scope changes - tracks modifications to what information is protected and disclosure restrictions

Duration and survival terms - identifies changes to how long confidentiality obligations remain in effect

Exclusion clause modifications - highlights adjustments to publicly available, independently developed, or legally compelled disclosure exceptions

Return and destruction obligations - detects changes to what happens with confidential materials after the relationship ends

Remedies and enforcement - spots modifications to injunctive relief, monetary damages, and breach consequences

Issues We Detect

Weakened confidentiality definitions that broaden what can be disclosed or narrow what is protected

Shortened confidentiality periods that reduce protection duration from industry standard terms

Added exclusion clauses that create loopholes allowing disclosure of sensitive business information

Modified return obligations that permit retention of confidential materials beyond relationship termination

Removed or limited remedies that reduce enforcement options when confidentiality is breached

Illustrative Example

For example, Justee reviews comparing their standard mutual NDA with a version returned by a potential enterprise client for a SaaS startup.

Issue Found: The client had added a broad carve-out allowing disclosure to "consultants and advisors" without requiring them to be bound by similar confidentiality obligations

Next step: With the carve-out flagged, the startup could ask for language requiring any consultants to sign their own NDAs before receiving confidential information about its product roadmap and customer data

Confidentiality Period

Original Version

"The obligations of confidentiality shall survive for a period of five (5) years from the date of disclosure of the Confidential Information."

Revised Version

"The obligations of confidentiality shall survive for a period of two (2) years from the date of this Agreement."

Why it matters: This revision significantly weakens protection by changing from 5 years from disclosure to 2 years from agreement signing. If information is shared near the end of a 3-year business relationship, it would only be protected for months instead of years. Additionally, measuring from agreement date rather than disclosure date means early disclosures lose protection sooner.

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Artem Dolukhanyan
Artem Dolukhanyan

Partner, Grayver Law Group · Advisor to Justee

Why Justee

Justee AI vs. General Chatbots vs. Other Legal AI

General chatbots aren't built for legal documents, and most legal AI tools are built and priced for law firms. Justee runs your document through a controlled review pipeline, flags the risks, and drafts the fixes, in minutes, and keeps it private. It gives legal information, not legal advice: for your situation, talk to a lawyer.

Recommended

Justee AI

ReviewsComparisonsStorageEditorChat

1-6 min

Speed

$16+/mo

Free to start

1M+ sections

Legislation

Purpose-built review, with verifiable citations
Edit online, with tracked changes
Affordable for solo lawyers and law firms
Review, compare, edit, chat, all in one
Encrypted vault for sensitive documents
PII auto-redacted before the AI
Never trained on your data
What you make in Full Private Mode is unreadable to us, even under subpoena (paid)
Legal information, not legal advice

General AI Chatbots

Chat

Minutes

Speed

$20+/mo

Subscription

General

Coverage

Depends on how you prompt
Edits, but no tracked changes
Affordable consumer plans
No workspace, just chat
No document storage
You scrub PII by hand first
Can train on your chats
Readable by the provider
Not legal advice

Other Legal AI Tools

ReviewsDrafting

Minutes

Speed

Varies

Usually pricier

Varies

Coverage

Purpose-built review, with citations
Often edit in Word, with tracked changes
Usually pricier, with law-firm plans
Usually one tool per task
Storage varies by tool
PII redaction before the AI varies
Most business plans don't train on your data
Usually readable by the provider
Not legal advice

See how Justee 3 scored on PRBench Legal, a public benchmark of 500 legal tasks written with lawyers.

*Estimates based on industry research and internal testing. Review times based on typical 5-50 page contracts. Legislation: over 1 million sections of U.S. and England & Wales legislation. Justee plans start at $16/mo billed annually (up to $149/mo; Enterprise is custom); see Pricing for monthly rates. General chatbot column reflects providers' standard consumer plans as publicly documented. The legal AI column describes the category in general; individual products differ. Justee is not a law firm and does not replace a lawyer. PII detection is best-effort and may not catch every identifier.

Official Resources

USPTO Trade Secrets Protection Guide

Official guidance on protecting confidential business information and trade secrets under federal law

FTC Business Guide to Protecting Consumer Information

Federal Trade Commission guidance on safeguarding confidential data in business relationships

ABA Contract Negotiation Guide

Professional contract negotiation best practices

Related Comparisons

NDA Compliance ReviewEmployment Contract ComparisonService Agreement ComparisonCompare DocumentsConsulting Agreement Compliance
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.

NDA Comparison FAQ

Focus on the definition of "Confidential Information," exclusion clauses (what is NOT protected), the confidentiality period duration, permitted disclosure circumstances, return or destruction obligations, and available remedies for breach. Small changes to these sections can dramatically impact protection.

Industry standard is 2-5 years for business relationships, though trade secrets often warrant perpetual protection "for so long as the information remains confidential." Be cautious of periods measured from agreement signing rather than from disclosure, as this can shorten actual protection significantly.

Standard exclusions include information that is publicly available (without breach), independently developed without using confidential information, already known before disclosure, or legally compelled through court order. Watch for overly broad language like "becomes public" without requiring "through no fault of recipient."

Mutual NDAs (both parties protect each other's information) are common in early business discussions where both sides share confidential details. One-way NDAs are typical when only one party discloses sensitive information, such as employer-employee relationships or when vendors access client data.

Remedies typically include injunctive relief (court order to stop disclosure), monetary damages for actual losses caused by the breach, and sometimes attorneys' fees. Many NDAs specify that damages alone are insufficient remedy and that equitable relief is appropriate, making it easier to obtain court orders quickly.

Justee shows what changed between versions side by side, so you can check each change and note what to ask. It gives legal information, not legal advice. For NDAs protecting critical trade secrets, involving complex business relationships, or containing unusual provisions, talk to a lawyer about whether the changes are acceptable for your situation.

Both U.S. and English law. Select a U.S. jurisdiction (any U.S. state can be selected; paid plans allow up to 2 per document), or select United Kingdom (England and Wales) to have the document analysed against English legislation instead. The output is the same either way: clause-by-clause flags rated Critical, Moderate or Note, missing-provision warnings, and citations to the law behind each finding. Scots law and Northern Ireland law are not supported.

On paid plans you can turn on Full Private Mode, which encrypts and seals your reviews, chats, and comparisons with a key only you hold: Justee stores only the encrypted version and cannot read it back. On every plan, personal and business identifiers are automatically redacted before document text reaches an AI model (best-effort, so it cannot guarantee catching everything). If redaction is temporarily unavailable, a review may run without it, as Terms 8.5 explain. Nothing you submit is used to train AI models.

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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.