Free image size guide for creators, marketers, and publishers.
Social Media Image Sizes 2026: Complete Guide for Every Platform
Find the recommended image dimensions for Instagram, Facebook, X, LinkedIn, YouTube, TikTok, Pinterest, and more — with safe defaults for feed posts, stories, reels, banners, thumbnails, and profile images.
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Check image sizes with your own file
Check Image Sizes
Upload an image and compare it against common social media placements, dimensions, aspect ratios, and file-size expectations before publishing.
Free browser tool
Check a social media image
Upload an image and compare it against common social dimensions, aspect ratios, file size expectations, and publishing recommendations.
Drop your image here or choose a file
Supports JPG, PNG, WebP, static GIF and basic SVG. Recommended visual limit: up to 15 MB.
Privacy-first: your image is analyzed locally in your browser.
Optional accessibility check. PublishPixel does not invent visual descriptions.