What is the best image size for Instagram?

Instagram post: 1080×1080px (square). Instagram Story/Reel: 1080×1920px. Instagram landscape: 1080×566px.

What size should a YouTube thumbnail be?

YouTube recommends 1280×720px (16:9 aspect ratio). The maximum file size is 2MB.

Is my image sent to any server?

No. Resizing happens entirely in your browser using the HTML5 Canvas API. Your images never leave your device.

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Why Image Sizing Matters

Each social platform has its own recommended image dimensions. Instagram Stories want 1080×1920px, but LinkedIn banners need 1200×627px. Uploading the wrong size results in cropped images or wasted space, damaging your brand presentation.

Properly sized images also load faster. A 1200px image showing in a 400px container wastes bandwidth. Resize before uploading to save 50–80% bandwidth and improve page speed.

Choose the right format. Use PNG for logos/text (lossless). Use JPG (80–85% quality) for photos. Use WebP for web — same quality at 25–30% smaller file sizes compared to JPG.

📐 Social Media Image Size Guide

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Instagram & Facebook

Instagram post: 1080×1080px (square). Story/Reel: 1080×1920px. Facebook cover: 820×312px. Facebook post: 1200×630px. Profile photos: 180×180px minimum.

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LinkedIn & Twitter/X

LinkedIn post: 1200×627px. LinkedIn banner: 1584×396px. Twitter/X header: 1500×500px. Twitter post image: 1200×675px. LinkedIn company logo: 300×300px.

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YouTube & Video

YouTube thumbnail: 1280×720px (16:9, max 2MB). Channel art: 2560×1440px. YouTube profile: 800×800px. Video thumbnail text should stay within the safe zone (1235×338px center).

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Website Images

Hero image: 1920×1080px (compress to under 200KB). Blog post thumbnail: 1200×628px. Product image: 800×800px (square preferred). OG image for social sharing: 1200×630px minimum.

Frequently Asked Questions

Best Instagram image size in 2024?

Square post: 1080×1080px. Portrait: 1080×1350px (best engagement). Landscape: 1080×566px. Story/Reel: 1080×1920px. Instagram recommends minimum 320px width; higher resolution shows sharper on Retina screens.

YouTube thumbnail dimensions?

1280×720px (16:9 aspect ratio). Max file size 2MB. JPG, PNG, or WebP formats. YouTube shows thumbnails at ~336px wide but stores the full resolution for HD displays. Keep text in the center 60% to avoid being cropped.

What is aspect ratio lock?

When aspect ratio lock is enabled, changing width automatically adjusts height (and vice versa) to maintain the original proportions. This prevents image distortion. Turn it off only when you need to intentionally stretch/squish to a specific dimension.

Is the image uploaded to a server?

No. Resizing uses the browser HTML5 Canvas API running entirely on your device. Your image never leaves your browser — 100% private and secure, even without internet.

What format should I choose — PNG, JPG, or WebP?

PNG: Best for logos, icons, screenshots, and images with text. Lossless — no quality loss. JPG: Best for photos. Use 80–85% quality for a good size/quality balance. WebP: Best for web — same quality as JPG at 25–35% smaller file size. Supported by all modern browsers.

LinkedIn banner and post dimensions?

Personal profile banner: 1584×396px (4:1 ratio). Company page cover: 1128×191px. Post image: 1200×627px. Company logo: 300×300px. Article hero: 1920×1080px. Always test how banners look on mobile (they crop from sides).

What are the best dimensions for Facebook ads?

Facebook feed image ad: 1200×628px (ratio 1.91:1). Facebook square ad: 1080×1080px. Stories ad: 1080×1920px. Carousel: 1080×1080px per card. Right column ad: 1200×628px. Minimum text: keep to under 20% of image for best reach.

How do I resize an image without losing quality?

Only upscaling loses quality (adding pixels where none exist). Downscaling (reducing size) maintains quality. For best results: always start from the highest-resolution source, resize to target dimensions, then compress for web. Never repeatedly resize from already-resized copies.

What size should product images be for e-commerce?

Square (1:1) works best for most e-commerce platforms. Recommended: 800×800px minimum (Shopify), 1000×1000px (Amazon), 1200×1200px (WooCommerce). Larger images enable zoom functionality. Keep white backgrounds for marketplace listings.

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📐 Quick Size Reference

Instagram Post 1080×1080

Instagram Story 1080×1920

YouTube Thumb 1280×720

LinkedIn Post 1200×627

Twitter/X Post 1200×675

Facebook Cover 851×315

OG / Share Card 1200×630

WhatsApp DP 640×640

💡 Format Tips

PNG — logos, icons, screenshots. Lossless.
JPG 85% — photos, backgrounds. Best size/quality.
WebP — web use. 30% smaller than JPG at same quality.
Upscaling adds pixels via interpolation — some blur is expected.