Updated for 2026
Google Ads Specs & Format Guide
Comprehensive specifications for Google Search Ads, Display Ads, Display Video, and Performance Max campaigns. Text limits, dimensions, and file requirements.
Last updated: 2026-02
Text Character Limits
| Field | Max | Recommended |
|---|---|---|
| Headline | 30 | 30 |
| Description | 90 | 90 |
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Ad Specs
AI Video Ad
Platform Comparison
| Platform | Recommended Size | Duration Range | Max File Size | Formats |
|---|---|---|---|---|
| ๐Google Ads | 1920ร1080 | 1โ60s | 256 GB | 4 |
| โถ๏ธYouTube | 1920ร1080 | 1โ600s | 256 GB | 6 |
| ๐Facebook | 1080ร1080 | 1โ600s | 4 GB | 6 |
| ๐ผLinkedIn | 1920ร1080 | 3โ600s | 200 MB | 3 |
Google Ads Best Practices (2026)
Performance Max Coverage
Performance Max campaigns serve across Search, Display, YouTube, Gmail, and Maps. Provide assets in all recommended aspect ratios (16:9, 1:1, 4:5, 9:16).
Responsive Display Assets
Upload multiple image sizes (1.91:1 and 1:1) and let Google's algorithm optimize which combination performs best for each placement.
Search Ad Headlines
Use all 15 headline slots with diverse messaging. Include keywords, benefits, and CTAs. Google tests combinations automatically.
Video for Display
Keep Display Video ads under 30 seconds and file size under 5.12 MB. Short, impactful videos perform best in display placements.
Google Ads Specs FAQ
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