Terms of Service

1. Agreement to Terms

By accessing or using buildsheet ("Service"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, please do not use the Service.

The Service is operated by an (sole proprietorship) registered in Hungary, and these Terms are governed by Hungarian law and EU regulations, including the General Data Protection Regulation (GDPR).

2. Description of Service

buildsheet is a visual cheatsheet builder that allows users to create, organize, and export interactive documentation. The Service includes:

• Visual grid-based editor with drag-and-drop functionality
• Markdown support with GitHub Flavored Markdown (GFM)
• LaTeX/KaTeX mathematical equation rendering
• Data visualization with multiple chart types
• PDF and Markdown export capabilities
• Mind map visualization of document structure
• Auto-save functionality
• Unlimited cheatsheet creation

3. Account Registration

To use the Service, you must create an account by providing:

• A valid email address
• Your full name
• A secure password meeting our requirements (minimum 8 characters, including uppercase, lowercase, number, and special character)

You are responsible for:

• Maintaining the confidentiality of your account credentials
• All activities that occur under your account
• Notifying us immediately of any unauthorized use of your account
• Ensuring the accuracy of the information you provide

4. Payment Terms

4.1 One-Time Payment Model

buildsheet operates on a one-time payment model. You pay once for lifetime access to the Service. There are no recurring subscription fees.

4.2 Payment Processing

Payments are processed securely through Stripe, a PCI-DSS compliant payment processor. We do not store your credit card information on our servers.

4.3 Billing Address

During checkout, you will be required to provide a valid billing address for invoice generation purposes.

4.4 Invoicing

Electronic invoices are generated through Billingo, our invoice management system, in compliance with Hungarian tax regulations. Invoices are sent to your registered email address upon successful payment.

4.5 Currency

Prices are displayed in USD. The final charge will be processed in the currency selected during checkout.

4.6 Discount Codes

We may offer discount codes for promotional purposes. Discount codes are subject to specific terms and conditions, including expiration dates and usage limits.

5. Refund Policy

5.1 Satisfaction Guarantee

We offer a 100% satisfaction guarantee. If you are not satisfied with the Service, you may request a refund within 7 days of your purchase date.

5.2 Refund Process

To request a refund:

• Submit a refund request through your account dashboard
• Our team will review your request (approval typically required)
• You will receive a refund confirmation email upon approval
• Refunds are processed through Stripe to your original payment method
• Refunds typically appear within 5-10 business days

5.3 Refund Eligibility

Refunds are subject to the following conditions:

• Request must be made within 7 days of purchase (configurable per product)
• Account must not have violated these Terms
• Full refunds may be granted at our discretion
• Certain products may have different refund policies, which will be clearly stated at the time of purchase

6. User Conduct and Acceptable Use

You agree to use the Service only for lawful purposes and in accordance with these Terms. You agree NOT to:

• Violate any applicable laws or regulations
• Infringe upon the intellectual property rights of others
• Upload or share malicious code, viruses, or harmful content
• Attempt to gain unauthorized access to the Service or related systems
• Use the Service to harass, abuse, or harm others
• Engage in any activity that disrupts or interferes with the Service
• Scrape, crawl, or automatically extract data from the Service without permission
• Share your account credentials with others
• Resell or redistribute the Service without authorization
• Reverse engineer or attempt to extract the source code of the Service

7. Intellectual Property Rights

7.1 Service Ownership

The Service, including its design, features, functionality, code, graphics, and content, is owned by the operator and is protected by copyright, trademark, and other intellectual property laws.

7.2 Your Content

You retain all ownership rights to the cheatsheets, documentation, and content you create using the Service ("User Content"). By using the Service, you grant us a limited, non-exclusive, royalty-free license to store, process, and display your User Content solely for the purpose of providing the Service to you.

7.3 Responsibility for Content

You are solely responsible for your User Content and the consequences of sharing it. You represent and warrant that:

• You own or have the necessary rights to the content you upload
• Your content does not violate any third-party rights
• Your content does not violate any applicable laws

8. Data Storage and Backups

We use MongoDB for data storage and implement auto-save functionality to prevent data loss. However:

• We are not responsible for data loss due to technical failures, security breaches, or force majeure events
• You are responsible for maintaining your own backups of important content
• We recommend regularly exporting your cheatsheets using our PDF or Markdown export features
• Deleted cheatsheets are soft-deleted and may be recoverable for a limited time, but permanent deletion may occur

9. Service Availability and Modifications

9.1 Availability

We strive to maintain high availability of the Service, but we do not guarantee uninterrupted access. The Service may be temporarily unavailable due to maintenance, updates, or technical issues.

9.2 Modifications

We reserve the right to modify, suspend, or discontinue any aspect of the Service at any time, with or without notice. We will make reasonable efforts to notify users of significant changes.

9.3 Updates

We may update the Service with new features, improvements, or security patches. Lifetime access includes all future updates and improvements to the Service.

10. Account Termination

10.1 Termination by You

You may terminate your account at any time by contacting us. Termination does not entitle you to a refund unless you are within the refund eligibility period.

10.2 Termination by Us

We reserve the right to suspend or terminate your account if:

• You violate these Terms
• Your account is used for fraudulent or illegal activities
• You engage in behavior that harms the Service or other users
• Required by law or court order

10.3 Effect of Termination

Upon termination:

• Your access to the Service will be immediately revoked
• We may delete your User Content after a reasonable period
• You should export any content you wish to retain before termination
• Provisions regarding intellectual property, liability, and dispute resolution will survive termination

11. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW:

• THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED
• WE DISCLAIM ALL WARRANTIES, INCLUDING MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT
• WE ARE NOT LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES
• OUR TOTAL LIABILITY SHALL NOT EXCEED THE AMOUNT YOU PAID FOR THE SERVICE IN THE 12 MONTHS PRECEDING THE CLAIM
• WE ARE NOT RESPONSIBLE FOR DATA LOSS, SERVICE INTERRUPTIONS, OR THIRD-PARTY ACTIONS

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

12. Indemnification

You agree to indemnify, defend, and hold harmless the Service operator, its affiliates, and their respective officers, directors, employees, and agents from and against any claims, liabilities, damages, losses, costs, or expenses (including reasonable attorneys' fees) arising out of or related to:

• Your use of the Service
• Your User Content
• Your violation of these Terms
• Your violation of any rights of another party
• Your violation of any applicable laws or regulations

13. Third-Party Services

The Service integrates with the following third-party services:

• Stripe: Payment processing (subject to Stripe's Terms of Service)
• Billingo: Invoice generation (Hungarian invoicing system)
• Resend: Email delivery service
• Upstash Redis: Rate limiting and caching
• MongoDB: Database services

Your use of these third-party services is subject to their respective terms of service and privacy policies. We are not responsible for the actions, policies, or practices of these third parties.

14. Privacy and Data Protection

Your privacy is important to us. Our collection, use, and protection of your personal data is governed by our Privacy Policy, which is incorporated into these Terms by reference.

We comply with:

• EU General Data Protection Regulation (GDPR)
• Hungarian data protection laws
• Other applicable data protection regulations

15. Dispute Resolution and Governing Law

15.1 Governing Law

These Terms are governed by and construed in accordance with the laws of Hungary, without regard to its conflict of law provisions. EU regulations, including GDPR, also apply where relevant.

15.2 Jurisdiction

Any disputes arising out of or related to these Terms or the Service shall be subject to the exclusive jurisdiction of the courts of Hungary.

15.3 Informal Resolution

Before initiating formal legal proceedings, we encourage you to contact us to seek an informal resolution of any dispute.

16. Changes to Terms

We reserve the right to modify these Terms at any time. When we make changes:

• We will update the "Last Updated" date at the top of this page
• We will notify users of material changes via email or through the Service
• Your continued use of the Service after changes constitutes acceptance of the new Terms
• If you do not agree to the modified Terms, you must stop using the Service

17. Severability

If any provision of these Terms is found to be invalid, illegal, or unenforceable, the remaining provisions shall continue in full force and effect. The invalid provision shall be modified to the minimum extent necessary to make it valid and enforceable.

18. Entire Agreement

These Terms, together with our Privacy Policy, constitute the entire agreement between you and us regarding the use of the Service, and supersede any prior agreements or understandings.

19. No Waiver

Our failure to enforce any right or provision of these Terms shall not be deemed a waiver of such right or provision.

20. Assignment

You may not assign or transfer these Terms or your rights under these Terms without our prior written consent. We may assign or transfer these Terms at any time without restriction.

21. Contact Information

If you have any questions about these Terms, please contact us at: