Updated 2026All FormatsCopy Dimensions

Updated for 2026. Click to copy dimensions.

Thumbnail

Custom thumbnails. Max 2MB. JPG/PNG/GIF.

1280 x 720Aspect: 16:9

Channel Banner

Safe area: 1546x423 center. Scales across devices.

2560 x 1440Aspect: 16:9

Profile Picture

Channel avatar. Displays as circle.

800 x 800Aspect: 1:1

End Screen

Last 5-20 seconds of video. Place elements in safe zones.

1280 x 720Aspect: 16:9

Video Upload

4K recommended. Min 1920x1080 for HD.

3840 x 2160Aspect: 16:9

Community Post

Square works best. Also supports 16:9.

1200 x 1200Aspect: 1:1

Watermark/Branding

Channel branding watermark overlay.

150 x 150Aspect: 1:1
Tip: Thumbnails are the #1 factor for click-through rate. Use bold text, high contrast, and expressive faces.

FAQ

What size should YouTube thumbnails be?
YouTube thumbnails should be 1280x720 pixels with a 16:9 aspect ratio. Maximum file size is 2MB. Use JPG, PNG, or GIF format.
What is the YouTube banner safe area?
While the full banner is 2560x1440, the safe area for text and logos is 1546x423 pixels in the center. This area is visible across all devices.
What resolution should I upload videos?
Upload at the highest quality available. 4K (3840x2160) is ideal. Minimum recommended is 1920x1080 (Full HD) for HD quality on YouTube.
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About YouTube Sizes

YouTube Sizes was built for the moment you just need to handle image editing and move on — no signup, no upload to a third-party server. Built to be the kind of tool you bookmark and use weekly: no surprises between visits, no degraded free tier, and a UI that gets out of the way. If you find yourself doing this regularly, the rest of the image suite covers most adjacent tasks with the same approach.

When you'd reach for YouTube Sizes

  • You need to handle a one-off task right before a meeting and don't have time to install anything.

    Anyone working remotely on a borrowed or restricted machine.

    Open the page, get the result, paste it into your doc — under a minute.

  • You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.

    Marketers and ops people whose primary tool is metered.

    Stay productive without burning credits.

  • You're cleaning up a folder of files that accumulated over a project and need to standardize them.

    Designers, writers, and developers wrapping up deliverables.

    Drop each file in, copy the output, move on.

  • You're on a public or shared machine and don't want to leave traces of what you're working on.

    Travelers, contractors, anyone working from a friend's computer.

    Nothing is uploaded, nothing persists if you're not signed in.

Frequently asked about YouTube Sizes

Is YouTube Sizes really free?
Yes — YouTube Sizes is free for unlimited personal use, with no account required and no watermark on the output.
Can I use YouTube Sizes commercially?
Yes. The output of YouTube Sizes belongs entirely to you, with no licensing restrictions.
Do I need to create an account to use YouTube Sizes?
No. YouTube Sizes works without any signup. We only ask for an email if you decide to subscribe to a paid plan.
Does YouTube Sizes work on mobile?
Yes, YouTube Sizes is fully responsive and tested on iOS Safari and Android Chrome.
Will YouTube Sizes change my original file?
Never. YouTube Sizes only reads your input file and produces a new output file.