Creating Your First Thumbnail

Getting Started

Creating Your First Thumbnail

Generate click-worthy thumbnails with AI

Creating Your First Thumbnail

Generate professional YouTube thumbnails in seconds.

Quick Start

  • Go to Studio → Thumbnail Generator
  • Choose a method:
  • AI Generate: Describe your video
  • Template: Start from a template
  • Upload: Use your own image

AI Generation

Step 1: Describe Your Video


"Tech review of iPhone 15 Pro, excited reaction, 
blue background, bold text saying 'GAME CHANGER'"

Step 2: Review Options

AI generates 4 variations. Click to preview each.

Step 3: Customize

  • Edit text
  • Adjust colors
  • Reposition elements
  • Add your face/photo

Step 4: Export

Download in 1280x720 (YouTube recommended).

Best Practices

Text

  • Large, readable font (30%+ of thumbnail)
  • Maximum 3-5 words
  • High contrast colors

Faces

  • Show emotion (surprise, excitement)
  • Eye contact with camera
  • Take up 40%+ of frame

Colors

  • Bright, saturated colors
  • Contrast with YouTube red
  • Consistent with your brand

A/B Testing

Test multiple thumbnails:

  • Create 2-3 variations
  • Enable A/B testing
  • AI rotates thumbnails
  • See which gets highest CTR

Try Wallu

Wallu answers customer questions across your website, Instagram, WhatsApp, Facebook, Discord and email, writes your marketing email, and turns long videos into short clips. Plans start at $4.99/month with a 7-day free trial on Mini.

See pricing · Start the free trial · Read the docs

Wallu