# Creative

Creatives are the ads or imagery you upload to use in your advertising campaigns — images, video, audio, or native.

### Adding Creatives

- Go to **Creatives**.

- Click **New Creative**.

- Choose type (banner, HTML5, audio, video, native, Meta, YouTube).
- Add Creative Name

- Upload files (must meet specs).

- Add landing page URL (+UTM if needed).

- Optional: add impression tracker.

- Set start/end dates if they differ from the campaign dates for specific creative

- Submit.

### Specs by Channel (examples)

##### Display (Desktop):

300x250, 728x90, 160x600, 970x250, 336x280, 468x60, 300x600, 970x90, 200x200, 300x1050.

##### Mobile Display:

320x480, 320x50, 728x90, 300x250, 360x640, 300x50.

##### ‍ **Video (Online Video):**

- File format: MP4 only

- Aspect ratio: 16:9

- Resolution: ≥1920x1080

- Minimum video bitrate: 5 Mbps

- No duplicate or blended frames

- No pillarboxing or letterboxing

- File size: 1 GB maximum

##### Connected TV (CTV):

- Tags: VAST tags only

- VAST 2.0 and 3.0 supported (VAST 2.0 recommended for maximum scale)

- No VPAID elements

- No more than 1–2 VAST wrappers
- Resolution:

- 1280x720 for 720p

- 1440x1080 for 4:3 aspect ratio

- 1920x1080 for 1080p (recommended)
- Duration: 15–30 seconds recommended; 60 seconds maximum

- Aspect ratio: 16:9 (recommended) or 4:3

- File format: MP4

- File size: 1 GB maximum

##### DOOH:

Creative Sizes: 1400x400, 1920x1080, 1080x1920, 2160x3840.

Video Duration: 6s, 8s, 10s, 15s, 30s

##### Audio:

Format and Size **:** .mp3, .wav + companion banners (300x250, 728x90, 320x50, etc.).

Asset Length: 15s, 30s, and 60s spots available

##### Meta:

1080x1080, 1080x1920, 1200x628; includes Primary text, Headline, Description and CTA.

##### YouTube:

Video link, Headline, Long Headline, Description and CTA **‍**

##### Native:

1600x1200 images, headline, sponsor line (≤500KB).

##### Other:

HTML5 and ad tags supported; animations capped at 15s.

### Managing Creatives

- Group by name/size/type.

- Preview on upload (broken = wrong specs).

- Download if needed.

- Use clear naming conventions.

### Best Practices

- Always request [creative spec sheet](https://www.growthchannel.com/knowledge-center-secondary/creative-spec-creative-ad-specs-by-channel).

- Keep a control creative running.

- Use UTMs.

- Flight-specific creatives for promos.

- Refresh every 6-8  weeks depending on media spend.

### Why This Matters

Correct setup ensures scale and performance.
