BetterHeader
Free tool

Social media header size calculator

Every header size that matters in 2026, with exact dimensions and aspect ratios. We keep this updated as platforms change their layouts.

Free download

Get the printable cheatsheet (PDF)

Every header size, aspect ratio, and safe area — keep it next to your design tool.

We only email you when a platform changes its dimensions. No spam — see our privacy policy.

X (Twitter)

1500 × 500px

3.00:1·8 devices audited
Read the full guide

LinkedIn (Personal)

1584 × 396px

4.00:1·4 devices audited
Read the full guide

LinkedIn (Company)

1128 × 191px

5.91:1·2 devices audited
Read the full guide

YouTube

2560 × 1440px

1.78:1·4 devices audited
Read the full guide

Facebook (Personal)

851 × 315px

2.70:1·2 devices audited
Read the full guide

Facebook (Page)

820 × 312px

2.63:1·2 devices audited
Read the full guide

Twitch

1200 × 480px

2.50:1·2 devices audited
Read the full guide

Instagram Story / Reel cover

1080 × 1920px

0.56:1·2 devices audited
Read the full guide

TikTok video cover

1080 × 1920px

0.56:1·1 devices audited
Read the full guide

Substack publication header

1100 × 400px

2.75:1·4 devices audited
Read the full guide

GitHub social preview / OG card

1280 × 640px

2.00:1·4 devices audited
Read the full guide

Email signature banner

600 × 120px

5.00:1·4 devices audited
Read the full guide

Knowing the size isn't enough

Even at the right resolution, profile photos, status bars, and Dynamic Islands will crop your banner. Drop yours into the free checker and see every device live — no signup needed.