🎨 Auto Video Thumbnail Generator

🚀 Create ready-to-use video thumbnails in seconds with an AI-powered generator. Provide a main topic, choose how many variations you need, and optionally add a short video clip or reference image for style. Get platform-ready thumbnails without design work.

Target Audience: Content creators, YouTubers, social media managers, marketing teams
Primary Use Cases: YouTube and Shorts thumbnails, social posts, A/B tests, course materials, campaign assets

What Does It Do?

• Analyzes your topic (and optional video clip) to craft relevant thumbnails
• Supports style matching with a single reference image
• Generates 1–10 variations in parallel with direct download links
• Provides multiple aspect ratios: 16:9, 9:16, 1:1, and more
• No design tools needed—everything is automated

Business Value: Ship high-quality thumbnails faster, keep campaigns on brand, and test multiple creative options with minimal effort.

Input

Fill the form with your creative brief. Main topic is required; everything else is optional:

• mainTopic (required) — What the thumbnails should represent
• numberOfImages — How many variations (1–10, prefilled to 2)
• aspectRatio — Pick the format for your channel (prefilled to 16:9)
• videoFileUrl — Optional clip for added context (common formats supported)
• referenceImage — Optional style guide image
• customPrompt — Optional short instructions

Free users are limited to the prefilled values; paying users can customize all inputs.

{
  "mainTopic": "Tech Tutorial: How to Build AI Applications",
  "numberOfImages": 2,
  "aspectRatio": "16:9",
  "videoFileUrl": [],
  "referenceImage": [],
  "customPrompt": "Create an eye-catching thumbnail with vibrant colors"
}

Output

Each run stores thumbnails with direct download links:

{
  "thumbnailUrl": "https://api.apify.com/v2/key-value-stores/xxx/records/thumbnail-1234567890-1.png",
  "thumbnailPreview": "https://api.apify.com/v2/key-value-stores/xxx/records/thumbnail-1234567890-1.png",
  "aspectRatio": "16:9",
  "timestamp": "2024-01-15T10:30:00.000Z"
}

Download as CSV, JSON, or Excel—ready for YouTube, TikTok, Instagram, or campaign tools.

Why Choose It?

• ⚡ Fast: Multiple variations in seconds
• 🎯 Relevant: Topic-driven with optional video context
• 🎨 On-brand: Style matching via reference image
• 📱 Platform-ready: Popular aspect ratios included
• 🧠 Hands-off: No design skills needed

How to Use

1. Sign Up: Create a free account w/ $5 credit
2. Set Inputs: Add your main topic, choose variation count and aspect ratio
3. Optional: Upload a short clip or style reference image
4. Run: Start the actor and wait for thumbnails
5. Download: Grab links from the Dataset tab (CSV/JSON/Excel)

Business Use Cases

• YouTube creators: A/B test thumbnails to lift CTR
• Social teams: Produce platform-specific covers at scale
• Video marketers: Generate campaign assets without designers
• Course builders: Keep lesson thumbnails consistent
• Agencies: Deliver options quickly across clients

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Need Help? Our support team is ready to assist through the Apify platform.

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⚠️ Disclaimer: This Actor is an independent tool and is not affiliated with, endorsed by, or sponsored by any video platform. All trademarks mentioned are the property of their respective owners.