The 2026 Social Media Image Size Cheat Sheet (+ Free Resizer)

Why image sizing matters

Upload a wrong-sized image and the platform will crop, stretch, or compress it — usually right across someone's face or your CTA button. Getting dimensions right the first time keeps your visuals sharp and on-brand.

Instagram (2026)

• Square post: 1080 × 1080 px
• Portrait post: 1080 × 1350 px
• Story / Reel: 1080 × 1920 px
• Profile picture: 320 × 320 px

TikTok

• Video / image post: 1080 × 1920 px (9:16)
• Profile picture: 200 × 200 px

LinkedIn

• Feed post (single image): 1200 × 1200 px (square) or 1200 × 628 px (landscape)
• Cover photo (personal): 1584 × 396 px
• Company page banner: 1128 × 191 px
• Article header: 1280 × 720 px

X (Twitter)

• In-feed image: 1600 × 900 px (16:9)
• Header: 1500 × 500 px
• Profile picture: 400 × 400 px

Facebook

• Feed post: 1200 × 630 px
• Cover photo: 820 × 312 px
• Story: 1080 × 1920 px

YouTube

• Thumbnail: 1280 × 720 px
• Channel banner: 2560 × 1440 px (safe zone: 1546 × 423 px)
• Shorts: 1080 × 1920 px

How to resize images in your browser

1. Open onlinefileconverter.
2. Drop your image in.
3. Pick a preset (Instagram Square, YouTube Thumbnail, etc.) or enter custom dimensions.
4. Choose JPG or WebP for smaller files, PNG for transparency.
5. Download — your original file never leaves your device.

Bookmark this page — and resize your images free next time a deadline hits.