The recommended YouTube thumbnail size is 1280 x 720 pixels with a 16:9 aspect ratio. Upload your image below and resize it online without installing software, opening a design app, or logging in.
or click to browse. Batch resize multiple thumbnails.
Use 1280 x 720 pixels for a sharp 16:9 thumbnail. Keep important text and faces near the center so the image stays readable in search results, suggested videos, and mobile feeds.
For smaller files, use the image compressor or read the image compression guide.
What is the recommended YouTube thumbnail size?
1280 x 720 pixels with a 16:9 aspect ratio.
Should I crop or letterbox?
Use cover mode for a clean thumbnail crop. Use contain mode when every part of the original image must remain visible.
Is this tool free?
Yes. It runs in your browser and does not require an account.