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1
Describe your desired thumbnail and choose a style and aspect ratio.
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If needed, tweak the prompt or style to generate a new thumbnail.
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Choose your favorite thumbnail and download the high-resolution image.

Draft multiple ideas to determine what you want your thumbnail to look like.

Turn rough ideas into ready-to-use thumbnails in seconds without complicated edits.

Create high-quality thumbnails that match your brand across platforms.

Use detailed and specific prompts
Experiment with different styles
Specify colors, text, and video topics
Create multiple iterations until your image is perfect

Generate eye-catching thumbnails that help your videos stand out in crowded feeds.

Create polished thumbnails to make projects and presentations shine.

Get professional thumbnails for demos, tutorials, or promos in seconds.
An AI thumbnail generator creates eye-catching images for videos, presentations, and social posts using simple text prompts. It helps you grab attention and improve engagement without the need for advanced design tools.
You simply enter a prompt describing the look you want and choose a style. Our tool uses AI to generate custom, eye-catching thumbnails in seconds. You can specify colors, text, style of video, or even a popular creator you'd like to emulate. If the output is not what you envisioned, you can tweak your input or regenerate options until you get a design that looks perfect.
Yes, you can use QuillBot’s AI thumbnail generator for free. Or upgrade to Premium
No design skills are necessary. The AI does the heavy lifting for you. Just describe your idea and watch as the tool generates professional-quality thumbnails in seconds.
Yes, if you wish to generate full-sized visuals, explore a wider range of art styles, or create complete scenes rather than just thumbnails, you can use our AI image generator
Thumbnails download in PNG format to allow for the highest quality. You can also use QuillBot’s free image converter tools to easily change them to JPG, JPEG, or even PDF.
Absolutely. The tool is optimized for social and video platforms, so you can generate thumbnails sized and styled for YouTube, TikTok, Instagram Reels, and more.
Be clear and specific about your content’s theme, tone, and visuals. Include details like the theme, mood, colors, text you want included, and any specific imagery. For example, typing “Bright summer travel vlog with bold text about Barcelona trip” helps the AI create thumbnails that match your vision perfectly.