Frequently asked questions.

Thumlio is an AI-powered thumbnail creation platform for content creators. Create professional YouTube thumbnails, social media graphics, and visual content in seconds using advanced AI models like DALL-E 3 and SDXL.

No. Thumlio is designed for everyone. The AI handles the heavy lifting — just describe what you want or choose from the template library. The visual editor is intuitive.

Thumlio thumbnails work everywhere: YouTube, Instagram, TikTok, Twitter/X, Facebook, Twitch, LinkedIn, and any other platform. Export in the exact dimensions you need.

Credits are used for AI features like thumbnail generation, background removal, and AI analysis. Different operations cost different amounts. Free accounts get starter credits.

Your account stays active, but you won't be able to use AI features. Purchase top-up packs from your account page (these never expire) or upgrade your subscription for monthly refills.

Yes. Upgrade or downgrade anytime from your account settings. Changes take effect immediately, and we prorate any differences.

Subscription credits reset monthly. Top-up packs purchased separately never expire.

All major credit/debit cards via Stripe and cryptocurrency via Cryptomus. All transactions are processed securely with end-to-end encryption.

DALL-E 3 by OpenAI for thumbnail generation, SDXL via Replicate for additional styles, GPT-4 Vision for the thumbnail analyzer, and specialized models for background removal.

PNG, JPEG, and WebP at resolutions from 720p to 4K. Animated thumbnails can be exported as GIF. The canvas editor supports custom dimensions.

Create multiple thumbnail variants and split traffic between them. Thumlio tracks impressions and click-through rates, then determines the statistical winner with confidence scoring.

Yes — the Personas feature lets you upload reference photos. The AI uses these to maintain consistent facial features across thumbnails.

Process multiple thumbnails simultaneously: generate, resize, apply filters, or export in bulk. Pro batches up to 25 items, Business up to 100.

Yes. Your thumbnails and creative content are private and never used to train AI models. We only store content to provide the service.

Yes. Delete individual projects, thumbnails, or request complete account deletion from your account settings. We comply with GDPR.

Business plan users can create organizations with multiple team members. Share templates, brand kits, and credit pools. Manage roles from the team dashboard.

Yes. Business plan users get API access for programmatic thumbnail generation, project management, A/B testing, and more. See the API docs.

Webhooks for thumbnail generation, export, credit usage, and A/B test completion. Configure them from your developer settings.

API: 60 req/min default (higher on Business). Generation: depends on your plan. Batch: Pro 25 items, Business 100 items.