What is the correct image size for Instagram posts?

For square posts: 1080×1080 px. For portrait (recommended for feed): 1080×1350 px. For landscape: 1080×566 px. Stories and Reels are 1080×1920 px.

What size should a YouTube thumbnail be?

YouTube recommends 1280×720 px (16:9 ratio) with a maximum file size of 2MB. Use bold text and high-contrast images that remain readable at small sizes.

What dimensions does Facebook use for cover photos?

Facebook Page cover photos display at 820×312 px on desktop and 640×360 px on mobile. Design for 820×312 and keep important content in the centre to avoid mobile cropping.

Create Social Media Images Online

Every social media platform has its own image size requirements, and posting incorrectly sized images results in awkward cropping, letterboxing, or compression artefacts that undermine your brand presentation. devtoolkit.sh provides tools for the most common social media image tasks without needing design software. Resize photos to Instagram's required dimensions with the Instagram Image Resizer, create click-worthy YouTube video thumbnails with the YouTube Thumbnail Generator, and design professional-looking Facebook cover photos with the Facebook Cover Generator. All tools run in your browser with no account required, and downloads are ready to upload directly to each platform.

IMGInstagram Image ResizerHOT

Resize and crop images to Instagram post, portrait, landscape, and story dimensions.

PLAYYouTube Thumbnail GeneratorHOT

Create a 1280×720 YouTube thumbnail with a background image and bold title text overlay.

FBFacebook Cover Generator

Create an 820×312 Facebook cover photo from an uploaded image or background color with optional text.

FAQ

What is the correct image size for Instagram posts?: For square posts: 1080×1080 px. For portrait (recommended for feed): 1080×1350 px. For landscape: 1080×566 px. Stories and Reels are 1080×1920 px.
What size should a YouTube thumbnail be?: YouTube recommends 1280×720 px (16:9 ratio) with a maximum file size of 2MB. Use bold text and high-contrast images that remain readable at small sizes.
What dimensions does Facebook use for cover photos?: Facebook Page cover photos display at 820×312 px on desktop and 640×360 px on mobile. Design for 820×312 and keep important content in the centre to avoid mobile cropping.