ThumbGen vs Thumbmagic

ThumbGen creates YouTube thumbnails from a written prompt, with the option to add reference images. It is a web service, and its output is prepared for YouTube’s 16:9 aspect ratio. FAST produces 1K images, while PRO offers 2K and 4K resolutions. Users can upload as many as eight reference images; each uses one credit. The service also supports creating several variations in one batch. ThumbGen says most images take 10–30 seconds to generate, depending on complexity and resolution. FAST 1K costs 8 credits per image; PRO costs 30 credits at 2K or 55 at 4K. The free plan is free, billed $0 one-time, and includes 150 credits. Starter costs $9.99 a month and includes 1,000 credits monthly; Creator costs $24.99 a month and includes 2,700. Credits reset each billing cycle and unused credits do not roll over. Subscriptions can be canceled anytime, with access through the billing period; subscription payments and unused credits are nonrefundable unless the law requires otherwise. Google sign-in is available, and support and privacy requests go through a contact form.

Thumbmagic is a web-based AI thumbnail maker for YouTubers, content creators, agencies, and brands. You can supply a public YouTube link, upload MP4, MOV, AVI, or WEBM video up to 5GB, or enter at least 100 characters of script. Each generation costs one credit and returns two thumbnail variants; edits and expression changes also consume one credit. The editor lets you describe a change to a selected element. Text generation provides 3–5 headline suggestions and six listed fonts, while expression options are Happy, Surprised, Shocked, Angry, Excited, and Curious. Custom font uploads are unavailable. Outputs include standard 1280x720 YouTube thumbnails and 9:16 templates for short-form platforms. Free access provides three thumbnails without a card. Annual paid plans start at $17 a month; Starter includes 100 thumbnails monthly.