workflow · llm
AI Thumbnail Prompt Workflow
Use LLM tools to draft YouTube thumbnail concepts before design. Links to image size spec and main workflow.
Updated 2026-10-13
tool_page.howToUse AI Image Prompt Builder
Steps
- Draft concept with AI Generate a clear prompt for your thumbnail scene before opening a design tool. Araca Git →
- Export at 1280×720 Use your design export or prototype dimensions matching YouTube spec. Araca Git →
- Compress under 2 MB If over 2 MB, convert to JPG or re-export. Verify dimensions on our YouTube thumbnail size page. Araca Git →
Preset: optimized export
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- Which tool builds image prompts?
- Our AI Image Prompt Builder in the LLM tools category.
- Is this the full thumbnail workflow?
- See the main YouTube thumbnail workflow for export and size steps.
- Can I customize the generated prompt for Midjourney or Stable Diffusion?
- Yes, the AI Image Prompt Builder allows you to format prompts specifically for Midjourney parameters, DALL-E, and Stable Diffusion.