Social Media Image Sizes Cheat Sheet (2026 Dimension Guide)

Introduction: Why Exact Social Media Dimensions Matter in 2026

Uploading the wrong image size to social media leads to aggressive algorithmic compression, awkward automatic cropping, blurry text, and reduced engagement. In 2026, social platforms are overwhelmingly mobile-first, with vertical and portrait formats heavily outperforming traditional square and horizontal images.

Whether you are designing Instagram feed posts, TikTok video thumbnails, YouTube channel banners, LinkedIn document carousels, or Facebook ad creatives, using the exact recommended dimensions ensures your graphics look crystal-clear on Retina, OLED, and 4K displays.

This interactive cheat sheet provides the up-to-date pixel dimensions, aspect ratios, file size caps, supported formats, and critical safe zones across all 15 major social media networks.

The 5 Universal Social Media Aspect Ratios

Before diving into platform-by-platform specifics, mastering these five standardized aspect ratios covers over 95% of all social media design requirements:

1. 4:5 Vertical Portrait (1080 × 1350 px): The top-performing format for timeline feeds. Takes up maximum screen height on Instagram, Facebook, Threads, and LinkedIn without being clipped.
2. 9:16 Fullscreen Vertical (1080 × 1920 px): The industry standard for TikTok, Instagram Reels, YouTube Shorts, Snapchat, and WhatsApp Status.
3. 1:1 Square (1080 × 1080 px): The classic ratio for profile pictures, e-commerce carousels, and grid alignment.
4. 1.91:1 Landscape / OG Link Cards (1200 × 630 px or 1200 × 628 px): The universal standard for Open Graph preview images when sharing web links on Facebook, X, and LinkedIn.
5. 16:9 Widescreen (1920 × 1080 px / 1280 × 720 px): Standard for YouTube video thumbnails, Twitch offline screens, and Discord community banners.

1. Instagram Image Sizes & Dimensions

Instagram’s algorithm heavily favors vertical content. The classic 1:1 square is still supported, but 4:5 portrait images receive noticeably higher engagement because they occupy more physical space as users scroll through their feeds.

Instagram Dimension Quick Reference:

• Portrait Feed Post (Recommended): 1080 × 1350 px (4:5 aspect ratio)
• Square Feed Post: 1080 × 1080 px (1:1 aspect ratio)
• Landscape Feed Post: 1080 × 566 px (1.91:1 aspect ratio)
• Stories & Reels: 1080 × 1920 px (9:16 aspect ratio)
• Profile Picture: 320 × 320 px (1:1 circular crop)
• Carousel Posts: 1080 × 1350 px or 1080 × 1080 px (up to 20 slides per post)
• Instagram Ads: 1080 × 1080 px (Feed) or 1080 × 1920 px (Story/Reel)

2. Facebook Image Sizes & Guidelines

Facebook compresses cover photos and shared images aggressively if they exceed certain file sizes. For the sharpest results, upload PNG or high-quality JPG files with sRGB color profiles.

Facebook Dimension Quick Reference:

• Page & Profile Cover Photo: 851 × 315 px (Desktop display) / 640 × 360 px (Mobile display)
• Feed Post (Portrait 4:5): 1080 × 1350 px
• Feed Post (Square 1:1): 1080 × 1080 px
• Shared Link Preview (OG Image): 1200 × 630 px (1.91:1)
• Facebook Stories & Reels: 1080 × 1920 px (9:16)
• Event Cover Photo: 1920 × 1005 px (1.91:1)
• Group Cover Photo: 1640 × 856 px (1.91:1)

3. X (Twitter) Image Dimensions

X supports multi-image posts up to 4 photos per tweet. X no longer crops vertical images in the main mobile timeline for single-image posts up to 4:5.

X Dimension Quick Reference:

• Profile Header / Banner: 1500 × 500 px (3:1 aspect ratio)
• Profile Picture: 400 × 400 px (1:1 circular crop)
• Single In-Feed Image: 1600 × 900 px (16:9) or 1200 × 1200 px (1:1)
• 2 Images in One Post: 700 × 800 px each (7:8 stacked side-by-side)
• 3 Images in One Post: 1 left (700 × 800 px), 2 right (1200 × 686 px each)
• 4 Images in One Post: 1200 × 675 px each (2×2 grid)
• Summary Card with Large Image: 1200 × 628 px (1.91:1)

4. LinkedIn Image Sizes for Professionals & Companies

LinkedIn has become a major hub for visual carousels and thought leadership graphics. Vertical posts and document PDFs formatted at 4:5 achieve significantly higher engagement and dwell times than standard horizontal links.

LinkedIn Dimension Quick Reference:

• Personal Profile Background Banner: 1584 × 396 px (4:1 aspect ratio)
• Company Page Cover Banner: 1128 × 191 px (5.91:1 ultra-wide)
• Personal Profile Avatar: 400 × 400 px (1:1)
• Company Page Logo: 300 × 300 px (1:1)
• Feed Post (Portrait 4:5): 1080 × 1350 px
• Document / Carousel PDF Slide: 1080 × 1350 px per page (up to 300 pages)
• Shared Link Image: 1200 × 627 px (1.91:1)
• Sponsored Content Ad: 1200 × 627 px (1.91:1) or 1080 × 1080 px (1:1)

5. TikTok Image & Video Specifications

TikTok is strictly a 9:16 vertical video and carousel platform. Designing with UI safe zones in mind is essential to prevent usernames, captions, and action buttons from obscuring vital visual information.

TikTok Dimension Quick Reference:

• Vertical Video & Photo Mode Slides: 1080 × 1920 px (9:16 aspect ratio)
• Profile Picture: 200 × 200 px (1:1)
• Video Thumbnail: 1080 × 1920 px
• In-Feed Ads: 1080 × 1920 px (9:16) or 1200 × 628 px (1.91:1)

6. YouTube Thumbnail & Channel Art Sizes

A high-converting YouTube thumbnail is the single most important factor for video click-through rate (CTR). While YouTube’s minimum thumbnail resolution is 1280 × 720 px, designing at 1920 × 1080 px ensures crisp rendering on 4K smart TVs and high-DPI smartphone displays.

YouTube Dimension Quick Reference:

• Video Thumbnail: 1280 × 720 px (Min) / 1920 × 1080 px (Recommended 16:9, Max 2MB)
• Channel Banner Header: 2560 × 1440 px (16:9, Max 6MB)
• Channel Banner Safe Area: 1235 × 338 px (Centered box guaranteed visible on all mobile and desktop screens)
• YouTube Shorts: 1080 × 1920 px (9:16)
• Channel Profile Icon: 800 × 800 px (1:1)
• Community Tab Post: 1080 × 1080 px (1:1) or 1200 × 675 px (16:9)

7. Pinterest Pin Sizes & Guidelines

Pinterest is a visual discovery search engine where vertical pins dominate the feed. Standard pins with a 2:3 aspect ratio perform best; pins taller than 1:2.1 will be truncated in search feeds.

Pinterest Dimension Quick Reference:

• Standard Pin (Optimal): 1000 × 1500 px (2:3 aspect ratio)
• Square Pin: 1000 × 1000 px (1:1)
• Idea / Story Pin: 1080 × 1920 px (9:16)
• Infographic / Long Pin: 1000 × 2100 px (1:2.1)
• Profile Picture: 165 × 165 px (1:1)
• Board Cover Image: 800 × 450 px (16:9)

8. Snapchat Image & Ad Dimensions

Snapchat requires fullscreen vertical 9:16 assets for all Snaps, Stories, Spotlight posts, and commercial ads.

Snapchat Dimension Quick Reference:

• Story & Snap: 1080 × 1920 px (9:16, Max 32MB)
• Full Screen Snap Ad: 1080 × 1920 px (9:16, Max 5MB static)
• On-Demand Geofilter: 1080 × 2340 px (or 1080 × 1920 px, Transparent PNG under 300KB)
• Profile Avatar: 320 × 320 px (1:1)

9. Threads Image & Post Specifications

Meta’s text-and-media platform Threads shares image specifications with Instagram. Portrait 4:5 posts maximize dwell time and visual impact in user feeds.

Threads Dimension Quick Reference:

• Portrait Feed Post: 1080 × 1350 px (4:5)
• Square Feed Post: 1080 × 1080 px (1:1)
• Landscape Feed Post: 1080 × 566 px (1.91:1)
• Vertical Video Post: 1080 × 1920 px (9:16)
• Profile Avatar: 320 × 320 px (1:1, syncs with Instagram)

10. Bluesky Image & Header Sizes

Bluesky has grown into a major decentralized social network. Note that Bluesky enforces a strict 1MB file size limit on image uploads, making lightweight image compression essential.

Bluesky Dimension Quick Reference:

• Profile Banner Header: 3000 × 1000 px (3:1 aspect ratio, Max 1MB)
• Profile Avatar: 1000 × 1000 px (1:1, Max 1MB)
• Feed Image Post: 1200 × 675 px (16:9) or 1080 × 1080 px (1:1, Max 1MB per image)

11. Google Business Profile (Local SEO Image Sizes)

High-quality photos on your Google Business Profile directly increase local search rankings, phone calls, and website clicks from Google Maps.

Google Business Profile Quick Reference:

• Business Logo: 720 × 720 px (Min 250 × 250 px, 1:1, Max 5MB)
• Cover Photo: 1024 × 576 px (16:9, Max 5MB)
• Business Post / Update: 1200 × 900 px (4:3) or 720 × 720 px (1:1)

12. Discord Image Dimensions (Avatars, Banners & Server Boosts)

Discord is built for gaming, Web3, and creator communities. Setting the right server banners and icons gives your community an immediate professional polish.

Discord Dimension Quick Reference:

• User & Server Avatar: 512 × 512 px (Min 128 × 128 px, Max 8MB)
• User Profile Banner: 600 × 240 px (5:2, Max 10MB)
• Server Banner Header (Boost Level 2): 960 × 540 px (16:9, Max 10MB)
• Server Invite Splash (Boost Level 1): 1920 × 1080 px (16:9, Max 10MB)

13. Reddit Image Dimensions for Communities & Posts

Reddit subreddits feature customized desktop and mobile banners, custom community icons, and card-view feed images.

Reddit Dimension Quick Reference:

• Subreddit Banner (Desktop Large): 4000 × 192 px (20:1 aspect ratio) or 1920 × 256 px
• Subreddit Icon / User Avatar: 256 × 256 px (1:1, Max 500KB)
• Feed Image Post: 1200 × 628 px (1.91:1) or 1080 × 1080 px (1:1)

14. WhatsApp Image Dimensions (Status & Profile)

WhatsApp Status has over 500 million daily active users. Designing status graphics at 9:16 vertical ensures edge-to-edge clarity.

WhatsApp Dimension Quick Reference:

• Status Update (Photo / Video): 1080 × 1920 px (9:16, Max 16MB)
• Profile Picture: 500 × 500 px (Min 192 × 192 px, 1:1, Max 5MB)
• Chat Image (HD Mode): 1600 × 1050 px (Toggle HD before sending)

15. Twitch Image Dimensions for Streamers

Twitch channel branding includes offline player screens, top profile banners, emotes, and clickable markdown info panels.

Twitch Dimension Quick Reference:

• Video Player Offline Screen: 1920 × 1080 px (16:9, Max 10MB)
• Profile Banner Header: 1200 × 480 px (5:2, Max 10MB)
• Profile Avatar: 800 × 800 px (1:1, Max 10MB)
• Channel Info Panels: 320 × 160 px (Max 320px width, Max 2.9MB)

Best Practices for Sharp Social Media Images

1. Always Export in sRGB Color Space

Modern cameras and design apps often default to Display P3 or Adobe RGB. Social media platforms do not manage wide color gamuts consistently across Android and iOS browsers. Exporting in sRGB prevents washed-out or oversaturated colors.

2. Compress Before Uploading

If your uploaded file exceeds a platform’s threshold (often 5MB to 15MB), the server will apply harsh lossy compression algorithms that introduce noticeable blocking and artifacts. Use our Free Image Compressor to optimize file size without sacrificing clarity.

3. Remove Sensitive Location Metadata

Before uploading photos taken with smartphones to public social media platforms, strip GPS coordinates and camera serial numbers using our Metadata Remover to protect your location privacy.

4. Convert WebP to Universal Formats When Needed

While WebP is the web’s preferred lightweight format, certain legacy social scheduling tools and ad managers require PNG or JPG. You can convert instantly using our WebP to JPG and PNG to WebP converters.

Frequently Asked Questions (FAQ)

What is the best image size for social media in 2026?

The best universal dimensions are 1080 × 1350 px (4:5) for feed posts and 1080 × 1920 px (9:16) for Stories, Reels, Shorts, and TikTok. These vertical formats capture maximum mobile screen space.

Why do my social media images look blurry after uploading?

Blurry images typically result from two causes: uploading files smaller than 1080px wide (causing the platform to scale up), or uploading massive files (over 15MB) that trigger aggressive server compression. Uploading at exact recommended dimensions with sRGB color profiles solves this.

What is the maximum file size for Instagram photos?

Instagram allows photo uploads up to 30 MB and video uploads up to 4 GB, though photos are re-compressed upon publishing.

What is the difference between 1:1, 4:5, and 9:16 aspect ratios?

• 1:1 is a square (1080 × 1080 px).
• 4:5 is a tall portrait (1080 × 1350 px), ideal for feed posts.
• 9:16 is fullscreen vertical (1080 × 1920 px), ideal for Stories, Reels, TikTok, and Shorts.