Terms & Conditions

These Terms & Conditions ("Terms") govern your use of PromptShielder (the "Service"), operated by Péter Horányi, egyéni vállalkozó, seat at Érc utca 4., 1032 Budapest, Magyarország, tax number 48986078-1-42 ("Operator", "we", "us", "our"). By accessing or using the Service you agree to these Terms. If you do not agree, do not use the Service.

1. Definitions

• Service — the PromptShielder website, the browser tool at /app, and related documentation.
• User, you — the natural or legal person accessing the Service.
• Prompt — any text you paste into the Service for masking.
• Output — text produced by the Service (masked or demasked) or by any third-party AI provider you subsequently interact with.
• Content — Prompts, Outputs, and any other material you enter into or receive through the Service.
• AI Provider — any third-party artificial-intelligence service (including OpenAI / ChatGPT, Anthropic / Claude, Google / Gemini, Perplexity, xAI and any similar service).

2. The Service is a client-side tool

The Service performs pattern detection, tokenisation, and demasking entirely inside your browser session. The Operator does not receive, transmit, store, log, or otherwise process Prompt content on any server it controls. See the Security Architecture page for the technical description.

Consequently the Operator is not a processor of Prompt content within the meaning of Art. 4(8) GDPR, and no data processing agreement is required for that content.

3. Your responsibility for Content

You are solely responsible for:

• the Content you paste into the Service;
• the Content you subsequently paste into any AI Provider;
• any Output you copy, store, share, or act upon;
• your compliance with all applicable laws, regulations, professional rules and contractual obligations, including without limitation the GDPR and national data protection law, HIPAA, GLBA, the FTC Safeguards Rule, IRS Publication 4557, attorney–client privilege rules, bar association rules, SEC / FINRA / RIA rules, banking secrecy, trade secrets law, non-disclosure agreements, employment obligations, export control, and sanctions law;
• obtaining any consents, waivers, or authorisations required to process the Content through the Service and through any AI Provider.

You represent and warrant that you have the right to submit the Content to the Service and to any AI Provider you use in connection with it.

4. No warranty regarding detection completeness

The Service applies regular expressions, heuristics and rule sets to identify potentially sensitive data. Such detection is inherently best-effort. The Operator does not warrant that the Service will identify or mask all sensitive information in any given Prompt. You must review masked Output before copying it into any AI Provider or any other destination, and you accept the risk of undetected or misclassified data.

5. Third-party AI providers

AI Providers are independent third parties. Your use of any AI Provider is governed by that provider's own terms and privacy policies. The Operator is not a party to your relationship with any AI Provider and has no control over, and no responsibility for, what an AI Provider does with data you submit to it — including storage, logging, human review, use for model training, disclosure to law enforcement, or any breach.

6. No liability for data leaks, uploads, or disclosures

To the maximum extent permitted by law, the Operator shall not be liable for any leak, disclosure, upload, transmission, interception, loss, corruption, misuse, unauthorised access, publication, or inclusion in a training dataset of any data by:

• you, your employees, contractors, or agents;
• any AI Provider or any of its sub-processors;
• any browser, browser extension, operating system, device, network, or intermediary;
• any clipboard manager, screen-capture tool, session replay tool, or accessibility service running on your device;
• any third party who obtains access to your account, credentials, or device;
• any misconfiguration, bypass, or disabling of the Service's masking features by you or on your behalf;
• any failure by you to review Output before forwarding it.

This exclusion covers Prompt content, Output, masked and unmasked text, token dictionaries copied out of the Service, and any content stored by any AI Provider or included in any AI Provider's training data.

7. Disclaimer of warranties ("AS IS")

The Service is provided "AS IS" and "AS AVAILABLE", without warranty of any kind, express or implied. To the maximum extent permitted by law, the Operator disclaims all implied warranties, including merchantability, fitness for a particular purpose, non-infringement, accuracy, uptime, uninterrupted operation, error-free operation, freedom from harmful components, and any warranty arising from course of dealing or usage of trade.

Statements that the Service "supports" a compliance program, is "audit-ready", or is "designed to simplify" security or compliance reviews are informational only. They are not a warranty, guarantee, or certification of compliance with any law, regulation, standard, or professional rule. You remain solely responsible for your own compliance.

8. Limitation of liability

To the maximum extent permitted by law, the Operator's total aggregate liability arising out of or in connection with the Service or these Terms shall not exceed the greater of (a) the fees you actually paid to the Operator in the twelve (12) months preceding the event giving rise to the claim, or (b) EUR 50.

In no event shall the Operator be liable for any indirect, incidental, special, consequential, exemplary or punitive damages, including without limitation loss of profits, revenue, goodwill, reputation, business opportunity, data, or anticipated savings; cost of substitute goods or services; regulatory or contractual fines or penalties; costs of notification, remediation, or credit monitoring; litigation costs; or damages resulting from unauthorised access to or alteration of your transmissions or data, in each case whether based on contract, tort (including negligence), strict liability, or any other legal theory, and whether or not the Operator was advised of the possibility of such damages.

Nothing in these Terms excludes or limits liability that cannot lawfully be excluded or limited, including liability for death or personal injury caused by negligence, fraud, or wilful misconduct, and mandatory rights of consumers under EU and Hungarian law.

9. Indemnification

You shall defend, indemnify, and hold harmless the Operator and its successors, agents, and affiliates from and against any and all claims, damages, liabilities, losses, costs, and expenses (including reasonable legal fees) arising out of or in connection with (a) your Content; (b) your use of the Service; (c) your use of any AI Provider; (d) your breach of these Terms; (e) your breach of any law, regulation, professional rule, or third-party right; or (f) any actual or alleged data leak or unauthorised disclosure caused by any act or omission described in Section 6.

10. Acceptable use

You must not:

• use the Service for any unlawful purpose, fraud, or spam;
• use the Service to process data you are not lawfully entitled to process;
• attempt to reverse-engineer masking in order to reveal data you are not authorised to see;
• probe, scan, or test the vulnerability of the Service without our prior written consent;
• interfere with the Service's operation, security, or availability;
• copy, resell, sublicense, or redistribute the Service;
• use automated means to scrape, load-test, or otherwise access the Service outside its normal user interface;
• generate illegal content, deepfakes, or content facilitating harm.

11. Accounts, payments, refunds

You must provide accurate registration information and keep your credentials confidential. You are responsible for all activity under your account. You must be of legal age to enter into a binding contract in your jurisdiction, or have authority to bind the organisation on whose behalf you register.

Orders are processed by Paddle.com Market Ltd ("Paddle"), which is the Merchant of Record for all purchases. Paddle handles checkout, tax, invoicing, and refund mechanics under Paddle's Buyer Terms. Subscriptions renew automatically until cancelled. See our Refund Policy.

12. Intellectual property

The Operator retains all rights, title, and interest in and to the Service, including all software, documentation, trademarks, and branding. Subject to your compliance with these Terms, the Operator grants you a limited, non-exclusive, non-transferable, non- sublicensable, revocable right to use the Service within your subscribed plan.

13. Suspension and termination

The Operator may suspend or terminate your access at any time, without notice and without liability, for actual or suspected breach of these Terms, non-payment, security or fraud risk, or repeated policy violations. You may stop using the Service at any time. On termination, your right to use the Service ends immediately; Sections 3, 6, 7, 8, 9, 10, 12, 14, 15, and 17 survive.

14. Force majeure

The Operator is not liable for any delay or failure to perform resulting from causes beyond its reasonable control, including acts of God, war, terrorism, civil unrest, government action, labour conditions, power failure, internet or telecommunications failures, or failures of any AI Provider or hosting provider.

15. Governing law and jurisdiction

These Terms and any dispute arising out of or in connection with them (including non-contractual disputes) are governed by the laws of Hungary, excluding its conflict-of-laws rules and excluding the UN Convention on Contracts for the International Sale of Goods (CISG).

The courts of Budapest, Hungary shall have exclusive jurisdiction over any dispute. Consumers retain the right to bring proceedings in the courts of their place of residence where mandatory EU or national consumer protection law so requires.

16. Consumer rights (EU / Hungary)

Nothing in these Terms limits or excludes any mandatory rights you may have as a consumer under Hungarian or EU law, including under Directive 2011/83/EU on consumer rights, Directive 93/13/EEC on unfair terms, and the Hungarian Civil Code (2013. évi V. törvény). Information on out-of-court dispute resolution is available on our Impressum page.

17. Changes to the Terms

The Operator may update these Terms from time to time. Material changes will be communicated by email or in-app notice. The current version, with its "Last updated" date, is always available at this URL. Continued use of the Service after the effective date of any change constitutes acceptance of the revised Terms.

18. Miscellaneous

If any provision of these Terms is held to be invalid or unenforceable, the remaining provisions remain in full force. The failure to enforce any right is not a waiver. These Terms, together with the Privacy Policy, the GDPR Notice, and the Refund Policy, constitute the entire agreement between you and the Operator regarding the Service and supersede any prior agreements on the subject.

19. Contact

Questions regarding these Terms: hello@promptshielder.com · +36 20 379 6949 · Érc utca 4., 1032 Budapest, Magyarország.