ThumbnailMaker.ai

Spec sheet

What it does

ThumbnailMaker.ai generates YouTube thumbnails from a text description and a selected visual style.Read 11 Oct 2026 · thumbnailmaker.ai

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.Read 11 Oct 2026 · thumbnailmaker.ai

Support

The Starter plan includes email support, while Pro and Max include priority support.Read 11 Oct 2026 · thumbnailmaker.ai

AI processing

The privacy policy says prompts and uploaded images are sent to OpenRouter, which may route requests to providers such as Google Gemini.Read 11 Oct 2026 · thumbnailmaker.ai

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.Read 11 Oct 2026 · thumbnailmaker.ai

Data storage

The privacy policy says generated thumbnails and prompts are stored with the account until the user deletes them or the account.Read 11 Oct 2026 · thumbnailmaker.ai

Generation model

The site says the service is powered by Nano Banana Pro.Read 11 Oct 2026 · thumbnailmaker.ai

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.Read 11 Oct 2026 · thumbnailmaker.ai

Other free tools

The site offers a free YouTube thumbnail checker that checks dimensions, aspect ratio, file size, and format.Read 11 Oct 2026 · thumbnailmaker.ai

Other service providers

The privacy policy identifies Clerk for authentication, Convex for storage, Autumn for billing and trial checks, and PostHog for analytics.Read 11 Oct 2026 · thumbnailmaker.ai

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.Read 11 Oct 2026 · thumbnailmaker.ai

Trial details

The plans include a seven-day free trial with 10 trial credits, after which the plan is billed monthly.Read 11 Oct 2026 · thumbnailmaker.ai

Uploaded images

The privacy policy says uploaded face photos are stored with the account, while style reference images are not permanently stored after generation.Read 11 Oct 2026 · thumbnailmaker.ai

Visual styles

The site lists eight styles: Photorealistic, 3D Render, Digital Art, Anime, Illustration, Cinematic, Vibrant Pop, and Dark Moody.Read 11 Oct 2026 · thumbnailmaker.ai

Who it is for

The pricing page describes Starter as for growing channels, Pro for serious YouTubers, and Max for power creators.Read 11 Oct 2026 · thumbnailmaker.ai

Plans and prices

Every ThumbnailMaker.ai plan and price →

Where Specifiction places it

• Video Thumbnail Makers#29 of 467.7