YouTube
Free·No account·In-browser

Resize images for YouTube.

Create pixel-perfect thumbnails, channel banners, and Shorts covers in seconds, entirely in your browser.

Drop an image here

or click to browse your files (pasting works too)

JPG · PNG · WebP · HEIC · up to 50 MB

Files never leave your browser
Resizes in under a second
No account needed
Get all 4 YouTube sizes at onceFreeVideo Thumbnail, Channel Banner, Shorts Cover, Community Post in one ZIP.

YouTube presets

Pick a format, start resizing.

Click any preset to open the editor with that size already selected.

Sizes checked against YouTube's own guidelines in October 2026. Where YouTube gives only a ratio or a minimum, the size is the common one that meets it.

Format guide

Which YouTube image size should you use?

Each format shows up differently. Here's when to use each one.

Most important

Video Thumbnail

3840 × 2160 px · 16:9

The thumbnail is shown in search results, suggested videos, the home feed and on TVs. YouTube now recommends 4K (3840×2160); 1280×720 still uploads. Use bold text and high contrast since it's viewed at tiny sizes.

Channel art

Channel Banner

2560 × 1440 px · safe zone: 1546×423

Displays differently on TV (full 2560×1440), desktop (2560×423), and mobile (1546×423). Keep all critical content inside the 1546×423 centred safe zone.

Vertical video

Shorts Cover

2160 × 3840 px · 9:16

YouTube Shorts use the full vertical screen, and YouTube recommends 2160×3840 for their thumbnails (set in YouTube Studio on desktop). The cover image is shown on the Shorts shelf. Keep your subject centred: the title appears as an overlay at the bottom.

Community

Community Post

1080 × 1080 px · 1:1

Square images for YouTube Community posts. Use these to engage subscribers between uploads: polls, updates, behind-the-scenes shots, and announcements.

Read the full YouTube image size guide

FAQ

YouTube image size questions.

YouTube recommends 3840×2160 px (16:9, 4K) for thumbnails; the minimum width is 640 px. The file limit is 50 MB on desktop and 2 MB from the mobile app, so set a 2 MB target size if you upload from your phone. JPG, PNG and GIF all work.
Upload at 2560×1440 px for the best result across all devices. The safe zone (where content is visible everywhere) is the centred 1546×423 px area. Design for the safe zone first, then extend the background to fill the full 2560×1440.
Yes. YouTube applies JPEG compression to all thumbnails. Upload at maximum quality to retain as much detail as possible after YouTube's re-encoding. PNG files will be converted to JPEG by YouTube automatically.

Also resize for

All platforms

Ready to resize for YouTube?

Upload your photo, pick a preset, and download in seconds. No account, no watermarks.

Open the editor