YouTube Video Dimensions and Aspect Ratios: 2026 Creator Guide

Getting YouTube video dimensions and aspect ratios right is the foundation of a professional channel. Upload the wrong size and YouTube adds black bars, crops your framing, or serves a soft, low-resolution version. This 2026 creator guide covers every spec you need — standard videos, Shorts, thumbnails and the channel banner.

Standard YouTube video dimensions

Regular YouTube videos use a 16:9 widescreen aspect ratio. The recommended resolution is 1920 × 1080 (1080p Full HD) as the practical baseline.

Common 16:9 resolutions YouTube accepts:

• 1080p: 1920 × 1080 — the standard most creators should target.
• 1440p (2K): 2560 × 1440 — sharper, larger files.
• 4K: 3840 × 2160 — future-proof and crisp, but heavy to edit and upload.

Whatever resolution you choose, keep the 16:9 ratio. Upload a 4:3 or square video and YouTube pillarboxes it with black bars on the sides.

YouTube Shorts dimensions

Shorts are vertical — a 9:16 aspect ratio, the opposite of standard video. The recommended resolution is 1080 × 1920.

Two rules for Shorts:

• Keep them 60 seconds or shorter to qualify as a Short.
• Mind the safe zone — YouTube overlays the title, channel name, description and action buttons on top. Keep key content out of the bottom ~15% and away from the right edge.

A horizontal 16:9 video uploaded as a Short shows tiny with huge black bars — always shoot and export Shorts vertically.

Thumbnail dimensions

The thumbnail is your video's advertisement, and it has its own spec:

• Resolution: 1280 × 720 pixels.
• Aspect ratio: 16:9 (matching the video).
• Minimum width: 640 pixels.
• File size: under 2 MB.
• Format: JPG, PNG, or WebP.

Design the thumbnail at 1280 × 720 so text and faces stay sharp when it is scaled down to a small grid tile.

Channel banner (channel art)

The banner is the trickiest because it displays at different sizes on TV, desktop and mobile:

• Upload size: 2560 × 1440 pixels.
• Safe area (visible on all devices): the central 1546 × 423 pixels — keep your logo and text inside it.
• File size: under 6 MB.

Everything outside the safe area is cropped on smaller screens, so never put important elements near the edges.

Channel profile picture

• Resolution: 800 × 800 pixels.
• Displays as a circle — keep the subject centred and away from the corners.
• Format: JPG or PNG (no animation).

Resizing for YouTube

If your footage or images are the wrong size, resize them deliberately rather than letting YouTube crop:

1. Decide the format — standard 16:9 video, 9:16 Short, 1280×720 thumbnail.
2. Resize the file to those exact dimensions.
3. For video, keep the aspect ratio locked so faces are not stretched.
4. Export video as H.264 MP4 — universally compatible.

Frequently asked questions

What is the best YouTube video size? 1920 × 1080 (1080p) at a 16:9 aspect ratio is the practical standard. 1440p and 4K also work if you can handle the larger files.

What size is a YouTube Short? 1080 × 1920 — a 9:16 vertical ratio — and 60 seconds or shorter.

What size should a YouTube thumbnail be? 1280 × 720 pixels, 16:9 ratio, under 2 MB, as a JPG, PNG or WebP file.

What are the YouTube banner dimensions? Upload at 2560 × 1440, but keep all important content within the central safe area of 1546 × 423 pixels.

Why does YouTube add black bars to my video? Because the upload does not match 16:9. Resize or re-export your video to a 16:9 ratio to remove the bars.

Resize your video and images

Get every YouTube asset to the exact right size with the free Video Resizer for footage and the Image Resizer for thumbnails and banners — both run in your browser with presets for common dimensions.