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TikTok Ads ad specs

In-feed video

Native vertical video in the For You feed

Dimensions
1080 × 1920 px
Aspect ratio
9:16 (16:9 and 1:1 accepted)
Max file size
500 MB
File types
MP4, MOV, MPEG, AVI · 5–60 s (9–15 s sweet spot)
Copy limits
Ad text 1–100 chars, no emoji in first/last char · Display name 20 chars

Spark Ads

Boost organic posts as ads

Dimensions
Native post dimensions
Aspect ratio
9:16
Max file size
Uses the organic post
File types
Copy limits
Caption comes from the organic post

TopView

First ad seen when opening TikTok

Dimensions
1080 × 1920 px
Aspect ratio
9:16
Max file size
500 MB
File types
MP4, MOV · up to 60 s
Copy limits
First ad slot on app open — highest impact, book via TikTok

Specs current as of 2026 and subject to change by the platforms — confirm against official docs before final creative export.