Last updated: 6/28/2025
By accessing or using lengthen.ai ("Service", "Platform"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, please do not use our Service.
lengthen.ai is an AI-powered video generation platform that allows users to create videos of unlimited length from text descriptions. Our service utilizes advanced artificial intelligence models to generate high-quality video content.
To use our Service, you must create an account and provide accurate information. You are responsible for maintaining the confidentiality of your account credentials.
You agree not to use our Service for any unlawful or prohibited activities, including:
You retain ownership of the text prompts you provide. However, by using our Service, you grant us a license to process your prompts for the purpose of generating videos.
You own the videos generated through our Service, subject to these Terms. However, you are responsible for ensuring that your generated content does not infringe on third-party rights.
Our AI models, algorithms, and platform technology remain our exclusive property. You may not attempt to copy, reverse engineer, or extract our proprietary technology.
Your privacy is important to us. Please review our Privacy Policy to understand how we collect, use, and protect your information.
We offer various subscription plans with different features and usage limits:
While we strive to provide reliable service, we do not guarantee uninterrupted availability. We may perform maintenance, updates, or experience technical issues that temporarily affect service availability.
Our Service is provided "as is" without warranties of any kind. We do not guarantee the accuracy, quality, or suitability of generated videos for any particular purpose.
To the maximum extent permitted by law, we shall not be liable for any indirect, incidental, or consequential damages arising from your use of our Service.
We may terminate or suspend your account at any time for violation of these Terms. You may cancel your account at any time through your account settings.
Our AI models are continuously improving but may have limitations:
By using our Service, you understand that:
These Terms shall be governed by and construed in accordance with the laws of Switzerland, specifically the Canton of Vaud, without regard to its conflict of law provisions. Any disputes arising under these Terms shall be subject to the exclusive jurisdiction of the courts of Lausanne, Switzerland.
We reserve the right to modify these Terms at any time. We will notify you of significant changes via email or through our platform. Continued use of our Service constitutes acceptance of updated Terms.
If you have questions about these Terms, please contact us at: