Tool
🖐️
ThumbCraft
A great video deserves a great first impression.
Design stunning thumbnails in your browser —
draw, add text, generate AI backgrounds,
and download. Free forever. No watermark.
✦
1280 × 720px — YouTube thumbnail standard
✨ AI Background Generator
Describe any scene and Pollinations.ai will generate a 1280×720 background for your thumbnail — free, no account needed.
Pollinations.ai may take 5–15 seconds. If it fails, try again or use a simpler prompt.