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TikTok Branded Hashtag Challenge — Video ads support video at 1080 × 1920 (9:16). Duration: 5–60 sec; recommended 15 sec. Maximum file size: 500 MB. See the full ad spec & try our free ad checker below.

TikTok video

Branded Hashtag Challenge — Video

Last updated: 2026-03-27

Dimensions

Dimensions: 1080 × 1920
Aspect Ratio: 9:16
Min Resolution: 720 × 1280

File

Max File Size: 500 MB
Formats: MP4, MOV

Duration

Video Duration: 5–60 sec
Rec. Duration: 15 sec

Notes

6-day campaign package. Includes promoted hashtag on Discover page, a challenge landing page, and a kickoff video. Official video must include #ad in the caption. Cover image: 800×800px. Select 1–6 official videos.

Official spec documentation

Quick Checklist

For this video format, make sure your creative meets:

Resolution: 1080 × 1920
Aspect ratio: 9:16
Duration: 5–60 sec
Max size: 500 MB
Formats: MP4, MOV