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YouTube Thumbnail Resizer Online
Resize and crop any image to the exact YouTube thumbnail standard (1280x720 pixels, 16:9 ratio, under 2MB). Free & private.
Drop your images here, or browse
Supports JPG, PNG, WebP, AVIF & iPhone HEIC. Batch processing supported.
💡 Pro-tip: PressCtrl + Vto paste screenshots directly
How to Use the YouTube Thumbnail Resizer Online
Fast, local, and 100% free tool. No software installation or cloud uploads required.
1
Upload Artwork
Add graphic or screenshot.
2
Auto Fit 1280x720
Locked to YouTube's recommended 16:9 HD resolution.
3
Check Quality
Ensure crisp text and sharp visuals.
4
Export Thumbnail
Download thumbnail ready to upload to YouTube Studio.
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100% Client-Side In-RAM Privacy Guarantee
Every byte of image processing is calculated locally on your CPU/GPU using modern WebAssembly, Canvas API, and HTML5 Web Workers. Zero images are ever uploaded to cloud servers or stored in remote databases.
✓ 100% Local In-RAM✓ Zero Server Uploads✓ Unlimited Free Use✓ GDPR & HIPAA Safe
Frequently Asked Questions
YouTube recommends 1280x720 pixels with a minimum width of 640 pixels, 16:9 aspect ratio, and under 2MB.