What is the best universal size for social media images?

1200×630 pixels covers Facebook, LinkedIn, Twitter link cards, and OG link previews. If you can only maintain one size, this is the most versatile. For Instagram specifically, use 1080×1080 (square) or 1080×1350 (portrait).

What size should Instagram posts be in 2026?

Square: 1080×1080 px. Portrait (best reach): 1080×1350 px. Landscape: 1080×566 px. Instagram recommends a minimum of 1080 px on the shortest side. Stories and Reels: 1080×1920 px (9:16 ratio).

What is the best YouTube thumbnail size?

1280×720 px (16:9 ratio) is the recommended YouTube thumbnail size with a minimum width of 640 px. File size must be under 2 MB. Use JPG, GIF, or PNG.

What does OG image mean?

OG stands for Open Graph — the metadata that controls how your page looks when shared as a link on Facebook, Twitter, LinkedIn, Slack, etc. The recommended OG image size is 1200×630 px.

How do I resize an image to exact pixel dimensions for free?

FileCrisp's resize tool lets you enter exact width and height in pixels and resizes your image in your browser in seconds — no upload, no account, completely free. It also has social media presets built in.

Image ToolsMay 20268 min read

Social Media Image Sizes
— Complete 2026 Guide.

Wrong image dimensions mean cropped thumbnails, blurry previews, and missed impressions. Here are the exact pixel sizes for every major platform — plus a free tool to resize to any of them instantly.

Instagram

1080×1080

Square

YouTube

1280×720

Thumbnail

Twitter/X

1200×675

Card

1200×627

Post

Facebook

1200×630

Post

OG Image

1200×630

Link preview

Resize for Social Media Free Full size guide ↓

Platforms covered

Instagram · YouTube · Twitter · LinkedIn · Facebook · OG

Instagram square (px)

1080×1080 — the universal safe size

Files uploaded to resize

All resizing runs in your browser

Pro tip

Universal tip: If you shoot at 1080×1080, you can always crop to wider ratios. If you shoot at 1200×630, Instagram will crop out the sides. Portrait-first (1080×1350) is the highest-reach format on Instagram in 2026.

All Platform Sizes at a Glance

PlatformSize (px)TypeRatio

Instagram Post1080×1080Square1:1

Instagram Portrait1080×1350Portrait4:5

Instagram Story/Reel1080×1920Vertical9:16

YouTube Thumbnail1280×720Thumbnail16:9

Twitter/X Card1200×675Link card16:9

Twitter/X Header1500×500Header3:1

LinkedIn Post1200×627Post1.91:1

LinkedIn Cover1584×396Cover4:1

Facebook Post1200×630Post1.91:1

OG Image1200×630Link preview1.91:1

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Social Media Image Sizes— Complete 2026 Guide.