Quick answer: TikTok In-Feed Ads prefer 9:16 at 1080×1920 px. TopView needs the same. Brand Takeover adds 1:1 and 16:9 options. Pangle requires a separate set of dimensions entirely. Get each placement right before uploading or your ad gets rejected, cropped, or letterboxed.
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Why TikTok Ad Sizing Matters
Wrong dimensions cause blurry ads, black bars, or flat-out rejection. TikTok Ads Manager enforces strict size rules per placement. A creative that works for In-Feed may break entirely in Brand Takeover or Pangle. Getting dimensions right before upload saves time and avoids wasted spend.
TikTok Ad Placements & Their Dimension Requirements
TikTok Ads Manager documentation covers five core placement types. Each one has its own rules.
In-Feed Ads (9:16 vertical, 1:1 square, 16:9 horizontal)
In-Feed Ads support three aspect ratios. The 9:16 vertical format is preferred and performs best. Minimum resolutions are 540×960 px (vertical), 640×640 px (square), and 960×540 px (horizontal). Recommended minimum is 720×1280 px. Horizontal 16:9 displays with black bars, known as letterboxing. Avoid it if you can.
TopView Ads (9:16 vertical full-screen takeover)
TopView is a premium full-screen placement. It requires 9:16 only. Minimum resolution is 540×960 px. Recommended is 720×1280 px or higher. TopView passes through two phases. a 3-second full-screen takeover with no UI overlay, then an in-feed phase where captions and engagement icons appear. Each phase has its own safe zone to plan for.
Brand Takeover Ads (9:16, 1:1, 16:9)
Brand Takeover supports all three aspect ratios. Required dimensions are 9:16 at 1080×1920 px, 1:1 at 1080×1080 px, and 16:9 at 1920×1080 px. Video duration runs 3 to 5 seconds. Static images are also supported.
Spark Ads (inherits organic post specs, flexible)
Spark Ads boost existing organic TikTok posts. They inherit all dimensions from the original post, so specs are flexible. Spark Ads support videos up to 10 minutes. One important limit. you cannot edit captions, sound, or content through Ads Manager after boosting the post.
Pangle Network Ads (multiple ratios. 720×1280, 1200×628, 640×640)
Pangle, the TikTok Audience Network, supports a wider set of image dimensions. 720×1280 px, 1200×628 px, 640×640 px, 600×500 px, 640×200 px, and 640×100 px. Plan Pangle creatives separately. One resize rarely covers all formats.
Step-by-Step. How to Resize TikTok Ads for Each Placement
Follow these five steps to resize cleanly and avoid rejection.
Step 1. Determine your target placement and required dimensions
List every placement you plan to run. Match each one to its required aspect ratio from the section above. Do this before touching any creative file.
Step 2. Prepare your original creative asset
Start with the highest-resolution version of your asset. Aim for 1080×1920 px vertical at minimum. A low-res source file cannot be fully saved by upscaling after the fact.
Step 3. Resize to placement specifications using TikTok Ads Manager or design tools
TikTok Ads Manager includes a built-in crop and preview tool. You can also use design software to manually crop and export at each required dimension. Export at the exact aspect ratio, not just close to it. Even small deviations cause rejection.
Step 4. Apply safe zones (avoid bottom 20%, right 10% of frame)
Per TikTok Ads Manager guidance, keep all critical text, logos, and CTAs away from the bottom 20% and the right 10% of the frame. TikTok's UI, engagement buttons, and captions overlap those areas. A misplaced CTA disappears behind the interface.
Step 5. Test preview before uploading
Use the placement preview inside TikTok Ads Manager. View your creative in each placement context. Fix any cropping or text cutoff before going live.
Quick Reference. TikTok Ad Dimension Chart
| Placement | Aspect Ratio | Recommended Resolution |
|---|---|---|
| In-Feed (vertical) | 9:16 | 1080×1920 px |
| In-Feed (square) | 1:1 | 1080×1080 px |
| In-Feed (horizontal) | 16:9 | 1920×1080 px |
| TopView | 9:16 | 1080×1920 px |
| Brand Takeover (vertical) | 9:16 | 1080×1920 px |
| Brand Takeover (square) | 1:1 | 1080×1080 px |
| Brand Takeover (horizontal) | 16:9 | 1920×1080 px |
| Pangle | Multiple | 720×1280, 1200×628, 640×640 |
Best Practices for Resizing Across Multiple Placements
Small habits here prevent big problems later.
Keep key visuals centered and off edges
Center your product, face, or hero visual in every format. Safe zones eat the edges. Anything close to the border risks getting cut or hidden behind TikTok's UI elements.
Design for vertical (9:16) first, then adapt
Most TikTok placements prefer or require 9:16. Start there. Adapt to square and horizontal from that base, not the other way around.
Maintain quality at different resolutions (min 720p, 1080p preferred)
All TikTok video ads accept .mp4, .mov, .mpeg, .3gp, and .avi files with a 500 MB max. Target 720p at minimum. Upload at 1080p when possible. Compressed exports lose quality and can fail Ads Manager quality checks.
Test actual placement rendering in Ads Manager
Dimensions on a spreadsheet do not guarantee what you see in-platform. Always use the TikTok Ads Manager preview tool. That is the only ground truth that matters before launch.
Simplify Multi-Placement Resizing with Coinis Revise
Resizing one creative for five placements means five separate crops, five quality checks, and five uploads. Coinis Revise handles this with Smart Resize. Upload your asset once. Smart Resize outputs every ratio you need. No manual cropping. No stretched visuals.
Coinis does not publish directly to TikTok today, but Revise works on any creative you plan to run anywhere. Generate your creative, resize for every placement, and upload to TikTok Ads Manager ready to go.
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Frequently Asked Questions
What is the best TikTok ad size for all placements?
9:16 vertical at 1080×1920 px is the safest starting point. It meets requirements for In-Feed, TopView, and Brand Takeover. You will still need separate crops for Pangle and 1:1 or 16:9 Brand Takeover variants.
Why does my TikTok ad have black bars on the sides?
Black bars appear when you upload a 16:9 horizontal video to a placement that expects 9:16 vertical. TikTok letterboxes horizontal videos rather than cropping them. Switch to 9:16 to fill the screen properly.
What are TikTok ad safe zones?
TikTok's safe zones are the areas free from UI overlap. Keep all important text, logos, and CTAs away from the bottom 20% and the right 10% of the frame. TikTok places engagement buttons, captions, and profile icons in those areas.
Can I use the same creative for In-Feed and TopView ads?
Yes, if it is already in 9:16 at 1080×1920 px and your key visuals respect both safe zone phases. TopView has a 3-second full-screen phase and then transitions to an in-feed view with UI overlays, so check preview rendering for both states.