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Captifor FCP

Terms of Service

Last updated: April 12, 2026

1. Overview

Capti is a service provided by Lab 37 ("we", "us", "our") that helps you generate professional multilingual captions for Final Cut Pro. By accessing or using Capti, you agree to these Terms of Service ("Terms"). If you do not agree to these Terms, do not use the service.

2. Account & Eligibility

Authentication is handled by Clerk. You are responsible for maintaining the security of your account and for all activity that occurs under it. Capti is not intended for children under 16 years old.

3. Service & Credits

  • New accounts receive 30 free credits per month. One caption generation consumes 10 credits.
  • A paid subscription is available at 24 USD per year or 4 USD per month and includes credits sufficient for extensive caption generation.
  • Credits are a usage unit with no cash value and are non-transferable.
  • We reserve the right to adjust credit limits or service usage based on usage patterns to ensure fair access for all users.

4. Payments

Payments are processed by Polar (Polar Software Inc.), which acts as the Merchant of Record for all transactions. This means Polar accepts and processes payments on our behalf, handles invoicing, and collects and remits applicable taxes (VAT, GST, sales tax) where required. We do not store your full payment card details. By subscribing, you authorize Polar to charge your selected payment method for subscriptions. Payments are subject to Polar's Terms of Use.

5. Data Processing & Providers

To provide the service, your data is stored and processed by the following third-party providers. See our Data Processing & Providers documentation for complete details and links to each provider's terms and privacy policies:

PostHog, Vercel Analytics, and Google Ads tracking are enabled only after explicit cookie consent.

  • Convex: Storage of job files (audio, transcription, grouping, SRT, FCPXML) and user data (presets, subscription information, credit amounts) (Privacy | Terms)
  • AssemblyAI: Audio transcription processing (Privacy | Terms)
  • Groq: AI-powered caption grouping (Privacy | Terms)
  • Clerk: User authentication, account management, and email notifications (Privacy | Terms)
  • Polar: Payment processing and Merchant of Record (Privacy | Terms)
  • Loops.so: Email marketing automation (Privacy | Terms)
  • Vercel: Web hosting and anonymous analytics (Privacy | Terms)
  • PostHog: Product analytics and user behavior tracking (Privacy | Terms)
  • Google Ads (Google tag): Ad attribution and conversion tracking (Privacy | Terms)

See our Privacy Policy for details on what we collect, how we use it, and your rights.

6. Acceptable Use

  • Do not upload unlawful, infringing, or harmful content.
  • Do not attempt to reverse engineer or disrupt the service.
  • Respect third-party rights and applicable laws.

7. Generated Outputs

AI-generated transcripts and captions can contain errors. You are responsible for reviewing outputs before use. We provide no warranties regarding accuracy or fitness for a particular purpose.

8. Availability & Changes

We may modify or discontinue features at any time. We aim for high availability but do not guarantee uninterrupted service.

9. Data Retention & Deletion

User data and job files are stored on Convex and will be automatically deleted after 2 years of account inactivity. You can delete individual jobs from the job page at any time, or delete your entire account from the user menu. Account deletion will immediately remove all associated data and files stored in Convex. We may also suspend or terminate accounts for violations of these Terms.

10. Limitation of Liability

To the fullest extent permitted by law, Lab 37 will not be liable for any indirect, incidental, special, consequential, or exemplary damages, or loss of data, profits, or business opportunities arising from the use of Capti.

11. Changes to These Terms

We may update these Terms from time to time. Continued use of the service after changes become effective constitutes acceptance of the updated Terms.

Contact

Lab 37 — 87 Rte de Marcieux, 73470 Novalaise, France — contact@usecapti.com