AI Thumbnails in Seconds
Generate irresistible viral thumbnails for YouTube, TikTok, and social media using Artificial Intelligence. Turn any title into a CTR-optimized design instantly.
No credit card required • 10 free thumbnails every month
¡NIVEL SECRETO 99% INEXPLICABLE!
Secret Easter Egg Discovered
99% DE JUGADORES FALLAN AQUÍ
10X MÁS RÁPIDO · SIN EXPERIENCIA
HABITOS QUE CAMBIARON MI VIDA
METRICAS CLAVE DE CRECIMIENTO
150K+
Thumbnails generated
+38%
Average CTR increase
4.9/5
Creator rating
< 3s
Generation time
Features built to boost your clicks
Designed by creators for creators. Everything you need to dominate the feed.
1. AI-Powered Thumbnail Generation
Enter your prompt or video title and our AI analyzes viral patterns to compose high-impact visual thumbnails.
2. 4 Specialized Styles
Choose between Gaming, Educational, Lifestyle, and Corporate. Tailored compositions for every niche aesthetic.
LEVEL 99
High saturation
PYTHON 10X
High contrast
5AM ROUTINE
Clean aesthetic
1M€ SAAS
B2B layout
3. Multi-Platform Auto-Resizing
Generate in 16:9 for YouTube, 9:16 for TikTok, Reels & Shorts, or 1:1 for Instagram in one click.
4. High-Contrast Text Overlays
Optimized typography hierarchy designed to be easily readable on small mobile screens.
100% GUARANTEED MOBILE READABILITY
High contrast geometric typography · rendered with Jinja2 + Pillow
5. Batch Exporting
Generate dozens of variations simultaneously to run A/B tests and pick the winning thumbnail.
How ThumbnailGen Works
Get professional-grade thumbnails ready to upload in just 3 simple steps.
Type your idea or prompt
Enter your video topic or title. Our AI extracts the highest-converting hook words.
Select visual style
Choose Gaming, Educational, Lifestyle, or Corporate to apply colors and layouts that resonate with your audience.
Export & boost your CTR
Download high-resolution thumbnails optimized for YouTube or resized for TikTok and Shorts.
Flexible Credit Model
Low-cost subscription + consumable credits. Affiliates earn credits for verified-referred users.
Free
10 thumbnails/mo. Good for testing.
- 10 thumbnails/mo (daily credits)
- Basic styles
- 16:9 YouTube format
- Standard export
Core
100 thumbnails/mo + rollover. For active creators.
- 100 thumbnails/mo (rollover)
- Affiliate credits (10 per referral)
- All 4 styles
- 9:16 & 1:1 auto-resizing
- Batch export
- API access
Pro
500 thumbnails/mo + API. For growing channels.
- 500 thumbnails/mo (rollover)
- Affiliate credits (25 per referral)
- Thumbnail A/B testing
- Bulk generation
- Priority queue
Agency
Unlimited + MCP Server + branding. For agencies.
- Multi-user (up to 10 editors)
- Unlimited API (FastAPI / Python)
- Official MCP Server
- Custom watermark
- 50 credits + 10% revenue share per referral
Why ThumbnailGen beats traditional design tools
Direct comparison with generic design software and standard tools.
| Feature | ThumbnailGen | Canva | Adobe Express | Thumbnail AI |
|---|---|---|---|---|
| Specialized YouTube/TikTok AI | Yes (CTR-Tuned) | No | No | Partial |
| 4 Specialized Styles (Gaming, Ed, Life, Corp) | Yes (Real Composition) | Manual | Manual | No |
| Multi-platform Auto-Resizing (16:9, 9:16, 1:1) | Yes (Instant) | Manual (Pro) | Manual | Partial |
| Mobile-Optimized Text Overlays | Yes (Tuned) | Manual | Manual | Partial |
| Batch Exporting | Yes | No | No | No |
| API Access (Python / FastAPI / AWS) | Yes (Pro & Agency) | No | No | No |
| Starting Price | 0€ ($2.99 Core) | 12€/mo | 10€/mo | 19€/mo |
Frequently Asked Questions
Everything you need to know about AI thumbnail generation.
How does ThumbnailGen increase my video CTR?
What thumbnail styles can I generate?
Is it compatible with YouTube, TikTok, and Shorts?
Can I try ThumbnailGen completely free?
Do you have an affiliate program?
Ready to multiply your video CTR?
Join over 10,000 YouTube and TikTok creators generating AI-optimized thumbnails. No credit card required.
10 free thumbnails every month • Cancel anytime