Terms of Service

These Terms of Service (the “Terms”) form a binding agreement between you and Vinn AI Tech Solutions LLC, a Delaware limited liability company (“Vinn AI”, “we”, “us”), and govern your use of pdf9x.com and the related tools, APIs and services (collectively, the “Service”). By using the Service you agree to these Terms. If you do not agree, do not use the Service.

These Terms reference and incorporate our Privacy Policy.

1. Eligibility

You must be at least 13 years old to use the Service. If you are under the age of majority in your jurisdiction, you may only use the Service with the consent of a parent or legal guardian. By using the Service you represent that you meet these requirements and that you have the legal capacity to enter into these Terms.

2. The Service

pdf9x is a collection of PDF tools. Most tools (merge, split, rotate, sign, watermark, and similar) run entirely in your browser. Others (compress, OCR, document conversion, password protection, and similar) require server-side processing, in which case your file is uploaded over HTTPS to AWS S3 in our account, processed in a short-lived Lambda, and deleted within 24 hours.

We may add, remove, or change features at any time. We may also limit, suspend, or terminate the Service to any user at any time for any reason consistent with applicable law.

3. Accounts and credits

Browser-only tools do not require an account. Cloud tools require an account or carry a small anonymous daily quota.

When you create an account you are responsible for keeping your credentials secure and for all activity under your account. Tell us promptly at founder@vinn.ai if you suspect your account has been compromised.

Cloud tools are metered in credits. You receive an initial grant of credits on signup and can purchase additional credit packs via Stripe. Credits are non-refundable, do not expire while your account is active, are not transferable, and have no cash value outside the Service.

4. Your content

You own the files you upload (your “Content”). You grant us a limited, worldwide, royalty-free, non-exclusive license to receive, store, transmit, and process your Content only to the extent necessary to provide the Service to you. That license ends when the Content is deleted from our systems (within 24 hours for cloud-tool processing copies, immediately on opt-out for any research copy you previously authorized).

You are solely responsible for your Content. You represent and warrant that you have all rights necessary to upload it, that it does not violate any law or third-party right, and that it does not include data of the kind described in Section 6 (Sensitive data).

5. Acceptable use

You will not, and will not allow anyone else to:

• Upload or process any content that is illegal, infringing, defamatory, fraudulent, sexually explicit involving minors, or that incites violence;
• Use the Service to harass, threaten, or harm any person;
• Reverse engineer, decompile, or attempt to extract the source code of any non-public part of the Service, except to the extent expressly permitted by law;
• Probe, scan, or attempt to bypass any rate limit, abuse-control mechanism, authentication, or quota;
• Use automated means to access the Service in a manner that materially burdens our infrastructure;
• Resell or sublicense the Service or its outputs as a standalone product without a separate written agreement with us;
• Upload malware, ransomware, or any code designed to disrupt or damage software or hardware.

We may suspend or terminate access for any actual or suspected violation of this Section.

6. Sensitive data — not for use with the Service

pdf9x is a general-purpose consumer tool. It is not designed for, certified for, or appropriate to use with regulated or sensitive data, including but not limited to:

• Protected Health Information (PHI) under HIPAA or health/medical information under any equivalent local law;
• Payment card data subject to PCI-DSS;
• Financial-account information subject to GLBA, the Indian DPDP Act, EU PSD2, or equivalent laws;
• Government-issued identification documents (passports, driver’s licenses, national ID cards, social security cards, tax filings);
• Trade secrets, attorney-client privileged material, or other data subject to a confidentiality obligation.

We do not hold, and have not pursued, HIPAA covered-entity or business-associate status, SOC 2, ISO 27001, or PCI-DSS certifications. We have not signed any Business Associate Agreement (BAA). You are solely responsible for assessing the suitability of the Service for your use case before uploading any file. By using the Service you confirm that the files you upload do not contain any of the categories listed above.

7. Research-data sharing

We may invite you to optionally share a copy of the files you run through the Service to help us improve the tools. This is off by default and only happens if you explicitly opt in through the on-page banner or the toggle in the Privacy Policy. If you opt in, copies are stored privately in our cloud, used only for product research, and never sold or shared with third parties. You can opt out anytime; see the Privacy Policy for the deletion process.

8. Payment and refunds

Credit purchases are processed by Stripe under Stripe’s own terms; we never receive your card number. Prices are shown in your local currency where supported.

All credit purchases are final and non-refundable once credits have been applied to your account, except where required by applicable consumer-protection law. If a charge is duplicated or processed in error, contact us within 30 days at the email below and we will investigate and, where appropriate, issue a refund.

9. Intellectual property

The Service, including its design, code, brand, and any content we provide (other than your Content), is owned by Vinn AI or its licensors and protected by intellectual-property laws. Nothing in these Terms transfers any of those rights to you, other than the limited right to use the Service as permitted.

We use the following open-source components for server-side processing: Ghostscript, qpdf / pikepdf, OCRmyPDF, LibreOffice, and @sparticuz/chromium. Their licenses are available in the respective project repositories.

10. Disclaimer of warranties

THE SERVICE IS PROVIDED “AS IS” AND “AS AVAILABLE”, WITHOUT WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. We do not warrant that the Service will be uninterrupted, error-free, secure against attacks, or that the outputs of any tool will be accurate or fit for your specific purpose. You assume the entire risk of using the Service. Some jurisdictions do not allow disclaimers of implied warranties, in which case this disclaimer applies to the maximum extent permitted by applicable law.

11. Limitation of liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, VINN AI WILL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS, DATA, GOODWILL, OR BUSINESS OPPORTUNITY, ARISING OUT OF OR RELATED TO YOUR USE OF THE SERVICE, EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

OUR TOTAL CUMULATIVE LIABILITY ARISING OUT OF OR RELATED TO THESE TERMS OR YOUR USE OF THE SERVICE WILL NOT EXCEED THE GREATER OF (A) THE TOTAL AMOUNT YOU PAID US FOR THE SERVICE IN THE 12 MONTHS BEFORE THE EVENT GIVING RISE TO THE LIABILITY OR (B) FIFTY US DOLLARS (US$50).

These limitations apply regardless of the legal theory of the claim (contract, tort, statute, or otherwise) and survive any failure of essential purpose of any limited remedy. Some jurisdictions do not allow the exclusion or limitation of certain damages, so part of this Section may not apply to you.

12. Indemnification

You will indemnify, defend, and hold harmless Vinn AI and its officers, employees, and affiliates from and against any claim, demand, loss, damage, cost, or expense (including reasonable attorneys’ fees) arising out of or related to (a) your use of the Service in violation of these Terms or any law, (b) your Content, including any claim that your Content violates a third-party right or contains data described in Section 6 (Sensitive data), or (c) your gross negligence or willful misconduct.

13. Third-party services

The Service relies on third parties including AWS (hosting, storage, compute), Stripe (payments), and Google (analytics, OAuth sign-in, Cloud Vision for OCR, Ads), among others listed in the Privacy Policy. Their services are governed by their own terms and we are not responsible for their acts or omissions, except as required by applicable law.

14. Termination

You can stop using the Service at any time. We may suspend or terminate your access at any time, with or without notice, for actual or suspected violation of these Terms, abuse, fraud, non-payment, or to comply with applicable law. Sections that by their nature should survive termination (including 4, 6, 9, 10, 11, 12, and 16) will survive.

15. Changes to the Service or these Terms

We may modify the Service or these Terms at any time. If we make material changes to the Terms, we will update the “Last updated” date at the top of this page and may, where appropriate, notify you in-product. Your continued use of the Service after the changes take effect is your acceptance of the updated Terms.

16. Governing law and dispute resolution

These Terms are governed by the laws of the State of Delaware, USA, without regard to its conflict-of-laws rules. The federal and state courts located in New Castle County, Delaware will have exclusive jurisdiction over any dispute not subject to arbitration under the next paragraph, and you consent to the personal jurisdiction of those courts.

MANDATORY ARBITRATION AND CLASS-ACTION WAIVER. You and Vinn AI agree that any dispute, claim or controversy arising out of or relating to these Terms or your use of the Service will be resolved by binding individual arbitration, administered by the American Arbitration Association (AAA) under its Consumer Arbitration Rules, in Wilmington, Delaware (or, at your election, by video). You and Vinn AI waive any right to a jury trial and any right to participate in a class action, class arbitration, or representative proceeding. Notwithstanding the foregoing, either party may bring an individual action in small-claims court if the dispute qualifies, and either party may seek injunctive relief in court to protect its intellectual property. If any portion of this Section is found unenforceable, the rest will remain in effect.

17. Miscellaneous

• Entire agreement. These Terms (together with the Privacy Policy) are the entire agreement between you and us regarding the Service and supersede any prior agreement.
• Severability. If any provision is held unenforceable, the remaining provisions will continue in full force.
• No waiver. Our failure to enforce a provision is not a waiver of our right to enforce it later.
• Assignment. You may not assign these Terms without our prior written consent. We may assign these Terms in connection with a merger, acquisition, or sale of substantially all our assets.
• Force majeure. Neither party is liable for delays or failures caused by events outside its reasonable control.
• Notices. We may give you notice in-product or by email associated with your account. You may give us notice at the email address below.
• Relationship. Nothing in these Terms creates any agency, partnership, joint venture, or employment relationship.

18. Contact

Vinn AI Tech Solutions LLC, 501 Silverside Rd Ste 105-5392, Wilmington DE 19809, USA. Reach us at founder@vinn.ai or via our contact page.