YouTube Image Resizer

A thumbnail is the single biggest factor in whether someone clicks your video, and YouTube renders it at a very specific size. Channel art is trickier still — it has to look right on a phone, a laptop, and a living-room TV at the same time, so a large safe area matters. This tool resizes and crops any image to a confirmed YouTube size so your thumbnails stay sharp and your channel banner survives every screen.

Everything runs in your browser. Your image is cropped locally on a canvas and downloaded straight back to you — nothing is uploaded.

YouTube Sizes You Can Create

Thumbnail

1280 × 720 px — the 16:9 cover image that drives clicks in search and feeds.

Channel Art

2560 × 1440 px — the banner across the top of your channel page.

Profile Picture

800 × 800 px — uploaded square, displayed in a circle.

Banner

2048 × 1152 px — a banner sized for the TV-safe display area.

How to Resize an Image for YouTube

1

Pick the YouTube Size

Choose a preset — Thumbnail, Channel Art, Profile Picture, or Banner. The crop frame switches to that exact aspect ratio.

2

Upload Your Image

Click the upload area or drag and drop a file. JPG, PNG, and WebP are supported.

3

Position & Zoom

Drag to reposition the image, then scroll the wheel, use the zoom buttons, or pinch on mobile to control exactly what stays in frame.

4

Download

Export as PNG for the crispest result or JPG for a smaller file, already at the exact YouTube dimensions.

Channel art crops by device. The full 2560 × 1440 banner shows only on TVs; phones and desktops display a smaller central strip, so keep your channel name and logo near the middle.

Features

Confirmed YouTube Dimensions

Every preset matches what YouTube renders for that placement, so thumbnails and banners stay sharp on every screen.

Placement	Dimensions	Aspect Ratio
Thumbnail	1280 × 720 px	16 : 9
Channel Art	2560 × 1440 px	16 : 9
Profile Picture	800 × 800 px	1 : 1
Banner	2048 × 1152 px	16 : 9

Built for Quick, Private Edits

Drag, Zoom & Pinch

Frame the crop precisely on desktop or mobile.

Drag to reposition inside the frame
Scroll or buttons to zoom
Two-finger pinch on touch screens

100% Client-Side

No uploads, no accounts, no watermarks.

Images stay on your device
Works without signing in
Export to PNG or JPG

Tip: Crop thumbnails with bold subjects and high contrast — they stay readable even when YouTube shrinks them to a small preview in search results.

Frequently Asked Questions

What is the best YouTube thumbnail size?

Thumbnails should be 1280 × 720 pixels, a 16:9 ratio with a minimum width of 640 pixels. This matches the video player aspect ratio so the thumbnail displays full and sharp everywhere it appears.

What is YouTube Channel Art?

Channel Art is the large banner at the top of your channel page. The recommended size is 2560 × 1440 pixels. Because it is cropped differently on phones, desktops, and TVs, keep your logo and channel name in the central safe area.

Are my images uploaded to a server?

No. All cropping happens in your browser on a local canvas. Your images never leave your device, which keeps unreleased thumbnails and branding private.

Which file formats can I use?

Upload JPG, PNG, or WebP. Download the result as a PNG (lossless, best for text and graphics) or a JPG (smaller file, best for photos). YouTube accepts both for thumbnails.

Why does my image have a white edge after cropping?

The frame uses a white background. If you zoom out so far that the image no longer covers the whole frame, the empty area shows as white. Zoom in or reposition until the image fills the frame from edge to edge.