2026 Google Ads Performance Max Campaign Quick Reference

Text Assets

Headlines

  • Up to 15 headlines
  • Max 30 characters each
  • Recommended: 10–15 variations
Primary messaging

Long Headlines

  • Up to 5 long headlines
  • Max 90 characters
Display / Discover

Descriptions

  • Up to 5 descriptions
  • Max 90 characters
Body text

Business Name

  • Required
  • Max 25 characters
Brand identity

Image Assets

Landscape Image

  • Aspect Ratio: 1.91:1
  • Recommended: 1200 × 628
  • Minimum: 600 × 314
  • Max file size: 5 MB
  • Format: JPG or PNG

Square Image

  • Aspect Ratio: 1:1
  • Recommended: 1200 × 1200
  • Minimum: 300 × 300
  • Max file size: 5 MB

Portrait Image

  • Aspect Ratio: 4:5
  • Recommended: 960 × 1200
  • Optional but recommended

Logo Assets

Square Logo

  • Aspect Ratio: 1:1
  • Recommended: 1200 × 1200
  • Minimum: 128 × 128
  • Max file size: 5 MB
  • Required asset

Landscape Logo

  • Aspect Ratio: 4:1
  • Recommended: 1200 × 300
  • Optional but recommended

Video Assets

Horizontal Video

  • Aspect Ratio: 16:9
  • Minimum length: 10 seconds
  • Hosted on YouTube
  • Recommended: up to 5 videos

Square Video

  • Aspect Ratio: 1:1
  • Minimum length: 10 seconds
  • Hosted on YouTube

Vertical Video

  • Aspect Ratio: 9:16
  • Minimum length: 10 seconds
  • Used for Shorts / mobile placements

Video Length Guidelines

Minimum Length

  • 10 seconds required
  • Short videos often perform best

Recommended Range

  • 15–30 seconds
  • Most common for conversion campaigns

Extended Content

  • 30–60 seconds for storytelling
  • Brand or educational content

Upper Funnel

  • 60–90 seconds
  • Longer videos possible but rarely needed

Recommended Video Set

Core Creative Set

  • 1 × 15s Horizontal (16:9)
  • 1 × 30s Horizontal (16:9)
  • 1 × 15s Square (1:1)
  • 1 × 15s Vertical (9:16)

Why This Works

  • Covers most PMax placements
  • Optimized for mobile + desktop
  • Supports Shorts & Display

Recommended Asset Counts

Minimum Asset Set

  • 3 Headlines
  • 2 Descriptions
  • 1 Landscape Image
  • 1 Square Image
  • 1 Logo

Optimal Asset Set

  • 10–15 Headlines
  • 4–5 Descriptions
  • 3–5 Images per format
  • 1–5 Videos
  • Both logo formats