TikTok

TikTok Spark Ad Ad Size: 1080×1920 px

Aspect ratio 9:16 (original) · 1080×1920 pixels · N/A — uses the underlying organic post

Spark Ads promote an existing organic TikTok — whether yours or a creator's — as an ad. Specs are whatever the post was uploaded at.

Dimensions
1080×1920
Aspect
9:16 (original)
Max file
500 MB
Length
0–60s
Resize to 1080×1920
UI · 130px
UI · 490px
Safe area
1080 × 1920 px

Why this size matters

Meta's studies and third-party creative agencies consistently rank Spark Ads as the highest-CTR TikTok ad format because they're indistinguishable from organic content. If you can partner with a creator, this is the format.

At a glance
Formats
N/A — uses the underlying organic post
Max file size
500 MB
Length
0–60 seconds
Safe zone
Top 130px, bottom 490px, right 100px
Best for
Boosting an existing organic post — highest-performing TikTok ad format.

Design tips that actually move the needle

  1. 01Prioritize creator-made content over brand-produced.
  2. 02The creator's account handle appears — audiences trust known creators.
  3. 03Comments carry over from the organic post — social proof compounds.
  4. 04Watch for creators using competitors' hashtags — signals your prospects.

People also ask

Do Spark Ads perform better than In-Feed?+

In most categories, yes — 20-40% higher CTR, 15-30% lower CPA. The tradeoff is you need creator partnerships or high-performing organic content of your own.

What is 9:16 (original) in pixels?+

For TikTok Spark Ad, a 9:16 (original) aspect ratio is 1080×1920 pixels. Any resolution with the same ratio works, but 1080×1920 px is the recommended native size and avoids upscaling.

Is 1080×1920 the right size for TikTok Spark Ad?+

Yes — 1080×1920 px (9:16 (original)) is the recommended TikTok Spark Ad ad size. Accepted formats: N/A — uses the underlying organic post. Maximum file size: 500 MB.

Related sizes

TikTok
In-Feed · 1080×1920
9:16 · Standard TikTok ad — appears between organic FYP videos.
Instagram
Reel · 1080×1920
9:16 · Native, sound-on video that mimics organic Reels.

Free tools for this size

Aspect ratio reference

→ 9:16 aspect ratio: pixel sizes, mm and placements

Full platform reference

→ All TikTok ad specs

Stop resizing by hand. Xeli does it for you.

Xeli composes every asset to the correct native aspect and safe zone per placement — automatically, across every platform.

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