Social Media Image Sizes 2026: Complete Cheat Sheet
Every platform has different image size requirements. Here's the definitive 2026 guide — Instagram, Twitter/X, LinkedIn, TikTok, Facebook, YouTube — with templates.
The Problem: Wrong Sizes Look Unprofessional
A Buffer study found that posts with correctly sized images get 150% more engagement than those with cropped or stretched images. Each platform has different requirements — and they change every year.2026 Social Media Image Size Chart
Step-by-Step: Resize Images for Any Platform
Common Mistakes
| Platform | Profile | Post | Story/Cover | Thumbnail |
|---|---|---|---|---|
| 320×320 | 1080×1080 | 1080×1920 | N/A | |
| Twitter/X | 400×400 | 1200×675 | N/A | N/A |
| 400×400 | 1200×627 | 1080×1920 | N/A | |
| 170×170 | 1200×630 | 1080×1920 | N/A | |
| YouTube | 800×800 | N/A | 2560×1440 | 1280×720 |
| TikTok | 200×200 | 1080×1920 | 1080×1920 | N/A |
Try it now: Open the Image Tool →
Frequently Asked Questions
What size should Instagram posts be in 2026?
Square: 1080×1080px. Portrait: 1080×1350px. Stories/Reels: 1080×1920px. Instagram still favors square and portrait images in the feed algorithm.
What's the best image size for Twitter/X posts?
1200×675px (16:9 ratio) for single images. 1200×1200px for square. Twitter compresses images heavily, so upload at 2x resolution for best quality.
Do I need different sizes for each platform?
Yes. Using the wrong size results in cropping, compression, or blank space. Create a master image at 2000×2000px and resize for each platform using our tool.