YouTube ThumbnailAI Auto GeneratorFree in 1 Minute
Latest AI TechnologyStunning Thumbnails
Create & Generate
Works with all major platforms
Click to shuffle
Create ThumbnailsLike These
Using the latest AI "Nano Banana Pro", ourthumbnail generatorcreates
pro-quality thumbnails. An easy AI thumbnail creation tool. Delivers high-quality results for business, VTuber, side-hustle, SNS and more.
副業成功ストーリー
暴露・衝撃告白系
比較・ランキング系
ビフォーアフター変化系
数字インパクト・実績系
SNS初心者・おすすめ系
対談・インタビュー系
配信告知・雑談サムネ
切り抜き・名言サムネ
ゲーム実況サムネ
記念・お祝いサムネ
FPS・バトロワ神プレイ
神業ハイライト集
シリーズ・連続プレイ
攻略・ガイド動画
🎯 Nano Banana ProSame quality thumbnails in just seconds
90% of viewers
decide by thumbnail
No matter how great your content is, if your thumbnail isn't attractive, it won't get clicked or even viewed.
Creation Speed Comparison
Time to complete a thumbnail
No more waiting or wasting time on production
Samune AIsolves all your problems
We don't waste creators' precious time
Pro-Level Thumbnailsin 1 Minute
No expertise needed, no design skills required.
AI Thumbnail Creationhandles everything automatically, so anyone can easily create pro-quality thumbnails.
Select Template
Choose a template that fits your purpose
Business, Education, Gaming, Tech, etc.
Enter Content
Input your title and description
Simple text input is all you need
AI Generation
AI creates high-quality thumbnails
Auto-generated with latest AI technology
Done & Use
Download and use immediately
Ready to use on YouTube and more
Original image
After AI editing
Beyond auto-generation.
Flexible AI Editing
"I want to customize the generated image more." In response to this feedback, we've added the latest AI editing features. Just describe what you want, and AI will shape your vision like a dedicated designer.
Just describe what you want
"Change the background to space", "Make it brighter" - just tell the AI and it will magically edit for you.
Keep faces & expressions
Upgrade backgrounds and atmosphere to pro-level while keeping important faces and poses unchanged.
Advanced retouching
Remove unwanted elements or add missing ones freely. Pro results without Photoshop.
Highly Rated byCreators
Real feedback from creators who use
Samune AI.
サムネAI@shibajun1108 を使ってみました！
— あやみ ¦ 未経験→フリーランスWebマーケター (@ayami_marketing) December 26, 2024
今まで、サムネを作ったことがなかったけど、テンプレとテキスト入れるだけで、すぐにできた！
動画作成で一番困るサムネを簡単に作れるのは、かなり楽！
今後も使い続けて、おしゃれなサムネで差別化していこう！ pic.twitter.com/fRwqM3jCxp
サムネAI素晴らしいですね！
— exdesign (@exdesign) January 19, 2025
使いやすくて簡単にサムネ作れちゃいます！
サムネ作るの苦手な人には本当にオススメ！https://t.co/VqAp4gy5NG
サムネAI、無料登録で使ってみたけどめちゃくちゃ良いアプリ
— まさし@40代転職活動アドバイザー (@40jobseeking) December 26, 2024
ブログのアイキャッチ作るのにも使えるし、なによりサムネの文字レイアウトとかめっちゃ苦手だから助かる
便利すぎてクレジット買っちゃったhttps://t.co/hKXFE0xlFs
🌟 あなたも今すぐ サムネAI を体験してみませんか？
Plans forYour Needs
From free trial to professional , innovative plans for various production needs
Free Plan
First-time trial
Experience AI thumbnail generation
Basic Plan
For individual creators
Monthly • 1 credit = 1 thumbnail generation
Creator Plan
For serious creators
Monthly • 1 credit = 1 thumbnail generation
Pro Plan
For professionals
Monthly • 1 credit = 1 thumbnail generation
30-day money-back guarantee
Full refund if not satisfied
Instant upgrade
Change plans anytime
Premium support
Expert team available 24/7
All YourQuestions Answered
About AI thumbnail generation,
frequently asked questionsanswered here.
A thumbnail generator is a tool that uses AI technology to automatically create YouTube thumbnails. Samune AI is a thumbnail generator powered by the latest AI (DALL-E 3, Nano Banana Pro), creating pro-quality thumbnails in seconds with just text input. No design knowledge or skills required - anyone can easily create attractive thumbnails.
Since AI generates automatically, it takes about 1-2 minutes from template selection to completion. Over 90% time savings compared to traditional manual work.
The free plan offers 3 credits (3 thumbnails) free. Basic plan is $9.90/month for 30 credits, Creator plan is $19.80/month for 60 credits, and Pro plan is $49.80/month for 200 credits. Commercial use is included with no additional fees.
Yes! We have custom color, font, and logo upload features. You can create consistent thumbnails that match your brand.
Currently PNG only. Resolution is 1280×720. Optimized for YouTube platform. Can also be used for other purposes.
With the latest AI technology, we create and generate high-quality thumbnails. We suggest optimal designs from various templates and allow customization to meet user needs.
Generated thumbnails are 100% original and available for commercial use. No copyright concerns - you can safely use them for your business.
We have a feedback system, so you can ask questions anytime. Even beginners can use it with confidence.
Start YourThumbnail RevolutionToday
Get 2 free thumbnails right after signup
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