
CoverHook
7.3#1 in ai thumbnail generatorsFrom $99 a yearFree planWebAPI
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| Fact | CoverHook | Thumblore |
|---|---|---|
| Formats | The site lists YouTube thumbnails, album covers, book covers, TikTok/Reels covers, text covers, and YouTube banners. | The product supports 16:9 and 9:16 formats, including Story, Short, and Reel outputs. |
| Integrations | Google Sign-In is used for authentication; the privacy policy says Google does not receive prompts, uploads, or generated covers. | The privacy policy names Dodo Payments, Supabase, Cloudflare, Google Cloud Vertex AI/Gemini, and Cloudflare R2 as service processors. |
| Maker | The privacy policy identifies Lewis Lee as operator at 77 Marsh Wall, Tower Hamlets, London E14 9SH, United Kingdom. | Thumblore is operated by Monday Canvas. |
| Security | The privacy policy says API keys are stored as SHA-256 hashes, sessions use signed HttpOnly cookies, and the company holds no security certification. | The privacy policy lists TLS in transit, encryption at rest, role-based access, and database row-level security as security measures. |
| Support | The Studio plan includes priority support; privacy and data requests are handled by email, with a stated target response time of 30 days. | Support is available through the contact page and at [email protected]. |
CoverHook suits creators who need designed covers or thumbnails across its supported formats, particularly YouTube creators who want variant generation and fit checks. Its API may suit workflows that need asynchronous generation, retries, and account-based credit use.
Thumblore suits creators who want to produce thumbnails from a video title or topic and adjust them through chat. It may also suit people who reuse faces or need both landscape and vertical formats.