Permitted use
Use the service for lawful review, documentation, or work involving content you own, manage, or are otherwise entitled to use. A public thumbnail being technically accessible does not remove copyright or other rights.
No platform affiliation
YTThumbFetcher is independent and is not affiliated with, endorsed by, or sponsored by YouTube or Google. YouTube names and API data remain subject to their applicable terms.
AI output
Visual diagnoses are heuristic model output. They may contain errors and do not guarantee clicks, views, ranking, revenue, or compliance. Review suggestions before applying them.
Availability
Public videos can be removed, restricted, or published without every thumbnail size. External APIs and AI services can be unavailable or rate-limited. The service may decline or delay requests to protect reliability.
Prohibited behavior
- Automated scraping or attempts to bypass rate limits and Turnstile.
- Using the download proxy for arbitrary URLs or unrelated files.
- Submitting unlawful material or representing AI output as official YouTube data.
- Interfering with the service, its users, or its infrastructure.
Changes
These terms may be updated when service behavior, legal requirements, or external platform terms change. The current update date appears above.