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ThumbnailMaker.ai
What ThumbnailMaker.ai is
ThumbnailMaker.ai is a web service that generates YouTube thumbnails from a text description and a selected visual style. It is powered by Nano Banana Pro and offers eight styles: Photorealistic, 3D Render, Digital Art, Anime, Illustration, Cinematic, Vibrant Pop, and Dark Moody. Prompts can include wording that the AI renders directly into the image, with the site recommending short, bold phrases. Outputs use a 16:9 aspect ratio. Starter provides 1K and 2K resolution, while Pro and Max also provide 4K. Plans include a seven-day trial with 10 trial credits, then bill monthly. Starter costs $29 a month, Pro $49 a month, and Max $99 a month. A free checker reviews dimensions, aspect ratio, file size, and format. Prompts and uploaded images are sent to OpenRouter and may be routed to providers such as Google Gemini. Generated thumbnails and prompts remain with the account until deleted.
Who it suits
The service is aimed at YouTube channel operators, from growing channels to serious YouTubers and power creators. It suits users who want prompt-based thumbnail generation with preset visual styles and 16:9 output.
What it does well
- Eight listed visual styles
- Prompt text rendered directly into images
- 4K output on Pro and Max
- Seven-day trial with 10 credits
- Free checker validates thumbnail files
What to know first
- No free plan
- Plans bill monthly after the trial
- Prompts and images go through OpenRouter
- Stored account content remains until deleted
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Starter | 7 days free, then billed monthly · 50 Credits/mo · 10 Trial Credits · 8 visual styles · 1K & 2K resolution · Email Support | $29 a month |
| Pro | 7 days free, then billed monthly · 100 Credits/mo · 10 Trial Credits · 8 visual styles · 1K, 2K & 4K resolution · Priority Support | $49 a month |
| Max | 7 days free, then billed monthly · 250 Credits/mo · 10 Trial Credits · 8 visual styles · 1K, 2K & 4K resolution · Priority Support · Early Feature Access | $99 a month |
As thumbnailmaker.ai lists them, read 11 Oct 2026. The maker's own page has the final word.
Verdict
ThumbnailMaker.ai focuses on prompt-driven YouTube thumbnail creation with style choices, embedded text, and up to 4K output. Its paid plans differ by monthly credits, resolution access, and support, and all begin with a seven-day trial.
Facts from ThumbnailMaker.ai's own pages
- AI processing
- The privacy policy says prompts and uploaded images are sent to OpenRouter, which may route requests to providers such as Google Gemini. · thumbnailmaker.ai, 11 Oct 2026
- Built-in text
- Users can describe text in their prompt and the AI renders it directly into the image; the site says short, bold phrases work best. · thumbnailmaker.ai, 11 Oct 2026
- Data storage
- The privacy policy says generated thumbnails and prompts are stored with the account until the user deletes them or the account. · thumbnailmaker.ai, 11 Oct 2026
- Generation model
- The site says the service is powered by Nano Banana Pro. · thumbnailmaker.ai, 11 Oct 2026
- Model training
- The privacy policy says ThumbnailMaker.ai does not use users’ prompts or images to train AI models itself, and notes that it cannot control third-party providers’ data practices. · thumbnailmaker.ai, 11 Oct 2026
- Other free tools
- The site offers a free YouTube thumbnail checker that checks dimensions, aspect ratio, file size, and format. · thumbnailmaker.ai, 11 Oct 2026
- Other service providers
- The privacy policy identifies Clerk for authentication, Convex for storage, Autumn for billing and trial checks, and PostHog for analytics. · thumbnailmaker.ai, 11 Oct 2026
- Resolution and aspect ratio
- Starter includes 1K (1376×768) and 2K (2752×1536), while Pro and Max include 4K (5504×3072); outputs are 16:9. · thumbnailmaker.ai, 11 Oct 2026
- Security
- The privacy policy says data is transmitted over encrypted HTTPS connections and user data is isolated so users can access only their own content. · thumbnailmaker.ai, 11 Oct 2026
- Support
- The Starter plan includes email support, while Pro and Max include priority support. · thumbnailmaker.ai, 11 Oct 2026
- Trial details
- The plans include a seven-day free trial with 10 trial credits, after which the plan is billed monthly. · thumbnailmaker.ai, 11 Oct 2026
- Uploaded images
- The privacy policy says uploaded face photos are stored with the account, while style reference images are not permanently stored after generation. · thumbnailmaker.ai, 11 Oct 2026
- Visual styles
- The site lists eight styles: Photorealistic, 3D Render, Digital Art, Anime, Illustration, Cinematic, Vibrant Pop, and Dark Moody. · thumbnailmaker.ai, 11 Oct 2026
- What it does
- ThumbnailMaker.ai generates YouTube thumbnails from a text description and a selected visual style. · thumbnailmaker.ai, 11 Oct 2026
- Who it is for
- The pricing page describes Starter as for growing channels, Pro for serious YouTubers, and Max for power creators. · thumbnailmaker.ai, 11 Oct 2026
Where ThumbnailMaker.ai stands on Freedom251
- Video Thumbnail Makers#43 of 46