Terms of Service

Oxford Dictionary Lookup Browser Extension

Last Updated: January 31, 2026

Agreement to Terms

By installing, accessing, or using the Oxford Learner's Dictionary Lookup extension ("the Extension"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, do not install or use the Extension.

Description of Service

Oxford Learner's Dictionary Lookup is a browser extension that provides:

  • Quick word lookups from Oxford Learner's Dictionary
  • Text selection-based dictionary access via floating icon, keyboard shortcuts, or context menu
  • Choice between UK and US English dictionaries
  • Multi-language interface support (12 languages)
  • Customizable settings and preferences

Eligibility

The Extension is available to users worldwide. By using the Extension, you represent that:

  • You have the legal capacity to enter into these Terms (or have parental/guardian consent if required in your jurisdiction)
  • You will comply with all applicable laws and regulations

License Grant

What You Can Do

Subject to these Terms, we grant you a limited, non-exclusive, non-transferable, revocable license to:

  • Install and use the Extension for personal, non-commercial purposes
  • Use the Extension on any compatible browser where you have installed it
  • Customize settings and preferences as provided by the Extension

What You Cannot Do

You agree NOT to:

  • Modify, reverse engineer, decompile, or disassemble the Extension
  • Copy, reproduce, or create derivative works from the Extension
  • Remove, alter, or obscure any copyright, trademark, or proprietary notices
  • Use the Extension for any illegal or unauthorized purpose
  • Attempt to circumvent security measures or access restrictions
  • Distribute, sell, lease, sublicense, or redistribute the Extension
  • Use the Extension to violate third-party rights or applicable laws
  • Scrape or harvest data from Oxford Learner's Dictionary in violation of their terms
  • Use the Extension in any way that could damage, disable, or impair our services

License and Distribution

The Extension is provided as freeware for personal use.

Important:

  • The Extension is distributed free of charge through official browser stores
  • Source code is proprietary and not available for modification or redistribution
  • Reverse engineering, decompilation, or modification of the Extension is prohibited
  • Only official versions from Chrome Web Store or Microsoft Edge Add-ons should be used

Third-Party Services

Oxford Learner's Dictionary

The Extension connects to Oxford Learner's Dictionary (https://www.oxfordlearnersdictionaries.com) to provide word definitions.

Important Disclaimers:

  • Independent Service: Oxford Learner's Dictionary is owned and operated by Oxford University Press. This Extension is an independent project and is NOT affiliated with, endorsed by, or sponsored by Oxford University Press.
  • Oxford's Terms Apply: Your use of Oxford Learner's Dictionary content through this Extension is subject to Oxford's terms of service and privacy policy. We recommend reviewing Oxford's Terms of Use and Oxford's Privacy Policy.
  • Content Accuracy: We do NOT guarantee the accuracy, completeness, or reliability of content provided by Oxford Learner's Dictionary. Oxford University Press is solely responsible for their content.
  • Service Availability: Oxford Learner's Dictionary may change, suspend, or discontinue their services at any time. We are not responsible for Oxford service disruptions.

Browser Stores

The Extension is distributed through:

  • Google Chrome Web Store (governed by Google's terms)
  • Microsoft Edge Add-ons Store (governed by Microsoft's terms)

Your use of these platforms is subject to their respective terms of service.

Intellectual Property

Extension Ownership

  • Copyright: The Extension and all associated code, design, and materials are © 2026 NiftyBox Team
  • All Rights Reserved: The Extension is proprietary software
  • Trademarks: "Oxford Learner's Dictionary Lookup" is the name of this Extension only and does not claim rights to Oxford's trademarks

Third-Party Trademarks

  • "Oxford," "Oxford Learner's Dictionary," and related marks are trademarks of Oxford University Press
  • Chrome and Chrome Web Store are trademarks of Google LLC
  • Microsoft Edge is a trademark of Microsoft Corporation
  • All trademarks are property of their respective owners

User Content

You retain ownership of any content you input into the Extension (words you look up, settings you configure). By using the Extension, you grant us no rights to this content beyond what's necessary to operate the Extension.

Privacy

Your privacy is important to us. Our data collection and usage practices are described in our Privacy Policy.

Key Points:

  • We only collect your settings stored locally on your device
  • No personal information collection or tracking
  • No third-party data sharing
  • Transparent data practices

Please review the Privacy Policy to understand how we handle your information.

Disclaimers and Limitations of Liability

No Warranties

THE EXTENSION IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO:

  • Warranties of merchantability, fitness for a particular purpose, or non-infringement
  • Warranties that the Extension will be uninterrupted, error-free, or secure
  • Warranties regarding the accuracy or reliability of content from Oxford Learner's Dictionary
  • Warranties that defects will be corrected

Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW:

  • No Liability for Damages: We shall not be liable for any indirect, incidental, special, consequential, or punitive damages, including but not limited to loss of data or profits, business interruption, loss of goodwill or reputation, or any other intangible losses.
  • Maximum Liability: Our total liability for any claims related to the Extension shall not exceed the amount you paid for the Extension (which is zero, as it's free).
  • Third-Party Services: We are not responsible for Oxford Learner's Dictionary availability, accuracy, or changes; browser platform changes affecting Extension functionality; or third-party website content or policies.

Jurisdictional Limitations

Some jurisdictions do not allow exclusion of certain warranties or limitation of liability. In such cases, our liability will be limited to the maximum extent permitted by law.

Indemnification

You agree to indemnify, defend, and hold harmless the Extension developer (NiftyBox Team) from any claims, damages, losses, liabilities, and expenses (including legal fees) arising from:

  • Your use or misuse of the Extension
  • Your violation of these Terms
  • Your violation of any third-party rights
  • Your violation of applicable laws or regulations

User Responsibilities

By using the Extension, you agree to:

  • Comply with Terms: Follow these Terms and all applicable laws
  • Respect Third Parties: Honor Oxford's terms of service and intellectual property rights
  • Appropriate Use: Use the Extension only for legitimate language learning purposes
  • Security: Maintain the security of your browser and device
  • Updates: Keep the Extension updated to the latest version for security and functionality

Modifications to Service

We reserve the right to:

  • Modify, suspend, or discontinue the Extension at any time
  • Update features, functionality, or interface
  • Change system requirements or compatibility
  • Release new versions with changes

Notice of Changes: Material changes will be announced via extension update notes. Continued use after changes constitutes acceptance. Check the GitHub repository for updates and announcements.

Modifications to Terms

We may revise these Terms at any time. Changes will be effective immediately upon posting the updated Terms. The "Last Updated" date will reflect the latest revision.

Your Options: If you disagree with updated Terms, discontinue use of the Extension. Continued use after changes constitutes acceptance. We will make reasonable efforts to notify users of material changes.

Termination

Your Right to Terminate

You may stop using the Extension at any time by:

  • Uninstalling the Extension from your browser
  • Disabling the Extension in browser settings
  • No further obligations after termination

Our Right to Terminate

We may terminate or suspend your access to the Extension:

  • If you violate these Terms
  • If we discontinue the Extension
  • For any other reason at our discretion

Effect of Termination: License granted under these Terms immediately ends. You must cease all use of the Extension. Provisions regarding disclaimers, limitations of liability, and indemnification survive termination.

Geographic Restrictions

The Extension is available worldwide. However:

  • You are responsible for compliance with local laws
  • Some features may not work in all regions
  • Oxford Learner's Dictionary availability may vary by location
  • We make no representations about the appropriateness or availability of the Extension in any location

Governing Law and Dispute Resolution

Governing Law

These Terms shall be governed by and construed in accordance with the laws of Vietnam, without regard to its conflict of law provisions.

Dispute Resolution

Informal Resolution: Before filing a formal claim, please contact us via GitHub Issues to attempt informal resolution.

Arbitration (if applicable): Any disputes arising from these Terms may be subject to binding arbitration as permitted by law.

Class Action Waiver: To the extent permitted by law, all claims must be brought individually and not as part of a class action.

Entire Agreement

These Terms, together with our Privacy Policy, constitute the entire agreement between you and us regarding the Extension and supersede any prior agreements.

Severability

If any provision of these Terms is found to be unenforceable or invalid, that provision will be limited or eliminated to the minimum extent necessary, and the remaining provisions will remain in full force and effect.

Contact Information

For questions, concerns, or notices regarding these Terms:

We will respond to all reasonable inquiries within 30 days.

Special Provisions

For Educational Institutions

Educational institutions may use the Extension for language learning purposes. The Extension is free for educational use.

For Commercial Organizations

The Extension is provided for personal, non-commercial use. Commercial entities using the Extension should:

  • Review Oxford's commercial terms for dictionary access
  • Ensure compliance with all applicable terms and licenses
  • Contact us if you have questions about commercial deployment

Summary (TL;DR)

  • Free extension for personal, non-commercial use
  • Use the Extension responsibly and legally
  • We're not affiliated with Oxford University Press
  • Content from Oxford is subject to Oxford's terms
  • Extension provided "as-is" with no warranties
  • We're not liable for damages from Extension use
  • These Terms can change; continued use means acceptance
  • Source code is proprietary - no modification or redistribution allowed

By installing and using Oxford Learner's Dictionary Lookup, you agree to these Terms of Service.