TikTok Ad Specs 2026: Sizes, Length & Best Practices

The core TikTok ad specs for 2026 are a vertical 9:16 aspect ratio, a resolution of 1080×1920 (1080p), a video 5–60 seconds long, and a file under 500 MB exported as MP4 or MOV. Keep your hook, product, and call to action inside the safe zones — clear of TikTok's caption, action buttons, and CTA sticker — and your ad will run cleanly and read instantly in a one-handed vertical feed. Everything below is the full spec sheet: a copy-ready table, the safe-zone margins, and the best practices that actually move performance.

TikTok updates its ad requirements from time to time, so before you launch, confirm each figure against TikTok's official ad specs in TikTok Ads Manager. The values here reflect TikTok's widely published, current recommendations.

How TikTok ad specs work

TikTok serves ads inside a full-screen, sound-on, vertical feed. Your creative has to fill that frame edge to edge, load fast, and read instantly on a phone. That is why the specs center on a portrait canvas, a capped file size, and a short runtime.

Specs fall into two buckets. Technical specs — aspect ratio, resolution, file type, file size, and length — determine whether TikTok accepts and renders your upload at all. Layout specs — the safe zones — determine whether your hook, product, and call to action stay visible once TikTok layers its own buttons and captions on top of the video.

Get the first bucket wrong and you get a rejected or blurry ad. Get the second wrong and you get a technically valid ad that hides its most important message behind the action buttons or the caption. Both matter.

TikTok ad specs table (2026)

Use this as your pre-flight checklist. These are TikTok's standard recommendations for In-Feed and Spark Ads; some placements also accept 1:1 and 16:9, but 9:16 is the native, best-performing format.

Export a master file at 1080×1920 in MP4 and you satisfy almost every technical requirement in one pass. If you build inside a dedicated tool like Wandura's TikTok Ad Maker, the 9:16 canvas and export settings are already spec-correct, so there is nothing to convert.

Safe zones: where TikTok's UI covers your video

A safe zone is the area of the frame that stays clear of TikTok's on-screen interface — the caption, profile icon, like and comment buttons, and the CTA sticker. Anything you place outside the safe zone risks being covered or hard to read.

On a 1080×1920 canvas, the widely used margins are roughly 130px at the top (ad label and status bar), 483px at the bottom (caption and CTA), 44px on the left, and 140px on the right (the vertical stack of action buttons). Keep essential text, logos, and your product centered inside that clear middle band. These margins shift with TikTok UI updates, so confirm against TikTok's current safe-zone template before you finalize.

Best practices for TikTok ads that convert

Meeting the specs gets your ad accepted. These practices get it watched.

Hook in the first seconds. TikTok is a swipe-first feed, so the opening moment decides whether anyone stays. Lead with movement, a face, a bold claim, or the product in use — not a slow logo intro. Front-load the value.

Shoot and export vertical 9:16. Full-screen portrait is the native format; letterboxed or square video wastes screen real estate and reads as an ad ported from another platform. Fill the frame.

Add captions and on-screen text. Even with sound on, captions lift comprehension and completion, and they keep the message clear on mute. Keep text large, high-contrast, and inside the safe zone.

Design for sound-on but resilient without it. Use music or a voiceover that fits TikTok's tone, while making sure the story lands visually even when muted.

Keep it native. Ads that look like organic TikToks — real people, quick cuts, casual lighting, trending audio where appropriate — tend to outperform polished, TV-style spots. That native, creator-style look is exactly what an AI UGC video generator produces without booking a creator.

Test length. A shorter cut often wins for direct response, while a longer edit can carry a demo or testimonial. Run variants and let completion rate and conversion data decide.

The same specs power TikTok Shop and other feeds

The 9:16 vertical, hook-first playbook carries across every short-form surface, so one strong master export usually adapts with minor trims:

• TikTok Shop — product-led videos use the same vertical specs; spin them up fast with the TikTok Shop video maker.
• Instagram Reels and YouTube Shorts — vertical 9:16 with near-identical safe-zone logic, so the same cut adapts with light edits.

Building one strong vertical creative and resizing it per platform is faster than starting from scratch each time. A general-purpose AI video generator can produce the master cut and the platform variants from a single input. If you want to see how the leading options stack up, our roundup of the best TikTok ad makers compares them side by side.

Make spec-ready TikTok ads in minutes

Stop wrestling with export settings and safe-zone guesswork. Wandura's TikTok Ad Maker builds vertical 9:16 ads that fit TikTok's specs, with hook-first templates and safe-zone overlays so your message stays visible. There is a free way to start — you pay credits per generation rather than a subscription — so check current pricing and ship your next TikTok ad today.