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Reference Manual•12 min read

Social Media Image Sizes (2026 Definitive Guide)

Publishing low-resolution, warped, or improperly cropped images damages brand credibility and organic reach. Use this continuously audited guide to format your creative assets with pixel-perfect precision across every major social network.

By Ark Barua • Verified by Editorial Review Board•Audited September 2026

Instagram Dimensions

Resize for Instagram →
PlacementRecommended DimensionsAspect RatioGuidelines & Safe Zones
Square Post (1:1)1080 × 1080 px1:1Standard grid post; universally supported.
Portrait Post (4:5)1080 × 1350 px4:5Best for feed engagement; occupies maximum mobile screen height.
Landscape Post (1.91:1)1080 × 566 px1.91:1Wide panoramic view; smaller feed footprint.
Stories & Reels (9:16)1080 × 1920 px9:16Full vertical screen. Keep text within central 1080×1420 px safe zone.
Profile Picture320 × 320 px1:1Displayed as circular crop. Keep essential elements centered.

YouTube Dimensions

Resize for YouTube →
PlacementRecommended DimensionsAspect RatioGuidelines & Safe Zones
Video Thumbnail1280 × 720 px16:9Minimum width 640px. Under 2MB; JPEG/PNG/WebP format.
Channel Banner / Header2560 × 1440 px16:9Safe zone for text & logos across all devices: 1546 × 423 px.
Channel Profile Icon800 × 800 px1:1Renders at 98×98 px; circular crop.

LinkedIn Dimensions

Resize for LinkedIn →
PlacementRecommended DimensionsAspect RatioGuidelines & Safe Zones
Personal Background Banner1584 × 396 px4:1File size under 8MB. Right side is most visible on mobile.
Company Page Cover Banner1128 × 191 px5.9:1Strict rectangular format for brand pages.
Shared Image / Feed Post1200 × 627 px1.91:1Ideal for desktop & mobile newsfeed previews.
Profile Photo400 × 400 px1:1Professional headshot; up to 8MB.

X (formerly Twitter) Dimensions

Resize for X (formerly Twitter) →
PlacementRecommended DimensionsAspect RatioGuidelines & Safe Zones
Header Banner1500 × 500 px3:1Top banner; allow 60px padding at top and bottom for UI overlay.
Single In-Stream Image1200 × 675 px16:9Standard widescreen post view. Up to 5MB.
Profile Avatar400 × 400 px1:1Circular avatar crop.

Facebook Dimensions

Resize for Facebook →
PlacementRecommended DimensionsAspect RatioGuidelines & Safe Zones
Cover Photo820 × 312 px2.6:1Displays at 820×312 px on desktop, 640×360 px on smartphones.
Feed Image / Shared Post1200 × 630 px1.91:1Standard post and Open Graph link preview thumbnail.
Story1080 × 1920 px9:16Full screen vertical story.

TikTok & Pinterest Dimensions

Resize for TikTok & Pinterest →
PlacementRecommended DimensionsAspect RatioGuidelines & Safe Zones
TikTok Video Cover / Story1080 × 1920 px9:16Full vertical screen. Keep bottom 20% clear of UI buttons.
Pinterest Standard Pin1000 × 1500 px2:3Optimal ratio for Pinterest search algorithms; prevents truncated pins.
Pinterest Square Pin1000 × 1000 px1:1Carousel and product pins.

How to Beat Social Media Compression Algorithms

When you upload an image to Meta (Instagram/Facebook) or X, their server-side transcoding engines aggressively compress your file to save bandwidth. Here is how to keep your visuals sharp:

  • Upload at the Exact Pixel Width: If Instagram expects 1080px width and you upload a 4000px photo, Instagram will downsample it with aggressive linear algorithms. Pre-downsample your image to exactly 1080px using our high-quality bicubic engine before uploading.
  • Keep File Size Under 1.5MB: Files over 2MB are automatically flagged for aggressive compression by social media servers. Aim for 800KB to 1.2MB for maximum crispness.
  • Use sRGB Color Profile: All social media platforms convert uploaded media to the sRGB color space. If your photo is in Adobe RGB or ProPhoto RGB, colors will appear washed out or muddy.
  • Favor 4:5 Aspect Ratio for Instagram Feeds: The 1080 × 1350 px portrait format commands 37% more vertical screen real estate on mobile devices compared to standard 1:1 squares, leading to higher average user engagement.

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