A safe-zone checklist for vertical video ads
Your opening line can be persuasive, yet invisible under a platform label. Your product demo can land behind the reaction buttons. Use this timestamped audit before publishing a Shorts, Reels, or TikTok creative.
Start with the placement, not a generic margin. The visible area changes with platform controls, ad format, and device. Use the current platform safe-zone template and preview for the exact placement you plan to run. A text box that looks centered in an editor may still be covered in the feed.
Why a 9:16 export can still be hard to read
Vertical framing gives an ad more screen space, but the app adds interface elements on top of the video. Google’s video ad specifications show safe-zone references for YouTube and warn that overlays and calls to action vary by format, campaign type, and screen. Meta’s Reels guidance points advertisers to its own safe-zone checker. TikTok’s creative guidance likewise tells advertisers to keep important elements in its safe zone. YouTube’s own Shorts editor gives warnings when text or stickers approach areas that may be hidden.
Those sources explain why a single pixel rule is unreliable. Review each intended placement with its current official template, then look at the actual ad preview. When adapting the same footage for several placements, keep a separate pass/fail note for each one.
First map the moments a viewer must see
Before measuring placement, make a short timeline. Note the first promise, first product appearance, demonstration, on-screen claim, price or offer, and final call to action. If a moment is covered, ask whether spoken audio or another frame still communicates it. Do not assume a viewer will pause or turn sound on to recover missing information.
Can the viewer read the key line and see the subject immediately, without a top label or caption covering them?
Are the product, hands, before-and-after evidence, and labels visible when right-side controls appear?
Can each caption be read at phone size? Does any platform caption, sticker, or progress bar compete with it?
Is the price, offer, or CTA clear in the feed preview, above any bottom controls and with enough time to read?
A timestamped shot breakdown makes this map easier to build. It can identify where scenes and visible overlays appear, but it cannot certify every frame or simulate every app interface.
Run a placement-by-placement audit
Six checks before export
- Choose the destination. Write down every intended platform and placement, including Shorts, Reels, or TikTok ad format. A 9:16 file is only the starting format.
- Get the current template. Use the official safe-zone guide or transparent template for that placement. Avoid recycled diagrams with unexplained margins.
- Scrub the entire clip. Pause at each hook, product, claim, caption, offer, and CTA. Very brief text can fall between sampled frames.
- Preview on a phone. Use the platform’s ad preview where available. Google Ads provides a Shorts preview; other placement previews should be checked in their own tools.
- Test sound low and on. Check whether captions and visuals still carry the essential point without audio, then verify any spoken claim against the video.
- Move and re-export. Fix the highest-value obscured element first, export again, and repeat the same preview. Do not rely on how the editor canvas looks.
Download a placement-review worksheet
Download the free CSV placement-review worksheet. Open it in Excel or Google Sheets. Use one row for each important moment and placement. The worksheet is a manual review aid, not an automatic safe-zone detector or a report export.
Separate the report from the decision. A report may help locate a product reveal. Your preview check establishes whether that reveal is visible in the intended placement. Record the generated observation, your checked source range, the platform preview and the revision separately.
- Identify the exact version. Record the exported filename, platform, placement, caption variant and template check date. Different caption lengths can change what needs checking.
- Mark the important range. Start with the opening promise, product demonstration and CTA. Use report timestamps as navigation hints, then adjust the checked range against the source.
- Check the placement. Note whether the important element is visible, covered or still unconfirmed in the official preview. Save a private screenshot or preview reference when appropriate.
- Assign an edit. Write a specific revision such as repositioning a price label. Record an owner and leave the decision as Revise until the new export is checked.
- Close the row with a new preview. Record the revised filename and recheck date. A clean old screenshot is not approval of the new file.
Keep screenshots and shareable preview links in your own project folder. Do not put private client material or account details into a public worksheet. The download is a blank template; none of its rows proves an ad has passed.
Use the right preview for the format
YouTube Shorts ads: preview the current export
Google provides vertical safe-zone reference images and transparent templates in its video ad specifications. For an existing video campaign, open the ad’s Preview gallery and select the intended format and device. Google’s Shorts preview instructions say an edited ad needs a newly generated shareable preview link: the previous link does not update with the edit. The same instructions currently note that live Shorts previews are unavailable for Demand Gen and Performance Max. Record an unavailable preview as unconfirmed, rather than inventing a pass.
TikTok: include caption and anchor variations
TikTok’s in-feed ad specifications provide different safe-zone files, including versions with anchors. They explain that dimensions, caption length and additional formats affect the safe zone, and that a preview can differ slightly from the live version because it is not device-specific. Choose the file for the actual ad setup and record what you checked. A screenshot of a different caption variant is not a substitute.
Reels: keep a separate placement decision
Use the official Reels guidance and the preview available for your actual placement. Do not carry a YouTube or TikTok approval across to Reels. If you cannot access the intended preview, keep that row unconfirmed and identify the person who will check it.
Example worksheet decision: one CTA, two placements
This is a hypothetical editorial example, not a generated report or a tested ad. A 20-second bag ad ends with “See sizes.” Its review has two separate rows:
- YouTube Shorts, export v1: the reviewer finds the CTA covered in the intended preview. Decision: Revise. Move the text, export v2 and generate a new preview link.
- TikTok, export v2: the caption-and-anchor variant has not been previewed. Decision: Unconfirmed. A successful YouTube check does not close this row.
Only change a row to Pass after its own revision has been checked. Pass means the recorded layout check succeeded in that preview; it does not guarantee performance or visibility on every device.
A worked example: hypothetical 20-second product ad
This is an invented audit example, not an actual ad or an AdScanVideo output. The safe-zone risks are questions to check in placement previews, not guaranteed cropping on every device.
“Packing takes 30 seconds” appears above a bag. Check whether a placement header covers the line. If it does, move the hook lower or change the opening frame.
A hand fastens the bag near the right edge. Check whether reaction controls hide the fastening action. Reframe the source shot if that action is the proof.
The price sits over a busy background near the bottom. Check both contrast and overlap with native captions or ad labels. A solid backing and repositioning may solve different problems.
“See sizes” appears only in the final second. If it is covered or too brief, extend the end card and preview again. The exact duration needed depends on the copy and placement.
Decision: Record “pass,” “revise,” or “check in preview” for each beat. Do not mark the whole ad safe because one frame looks clean. For the creative strategy itself, use the UGC ad scorecard to review hook, proof, offer, and CTA separately from layout.
Where AI video analysis helps and where it stops
An AI report can give a first pass at scene order, visible text, product moments, and available dialogue. AdScanVideo’s Ad intelligence mode can organize those observations into a creative review. It does not certify frame-exact coverage, so a quick caption or brief obstruction may be missed. It also cannot see a platform’s live controls on your exported file. The final safe-zone decision belongs in a full manual scrub and the platform preview.
The current analyzer accepts uploaded files. Keep the original recording available to check visual details and spoken wording. If audio is missing or unclear, do not infer what was said. For dialogue checks, use the quote-verification guide and worksheet.
Frequently asked questions
Is there one safe-zone template for all vertical video ads?
No. Interface overlays differ by platform, placement, campaign format, and device. Use the current platform template and an in-platform preview for each placement you intend to run.
Can AI video analysis certify that an ad is safe for every placement?
No. A timestamped analysis can help locate captions, product moments, and calls to action, but sampled frames may miss a brief overlay. A person should scrub the full video and check official placement previews.
What should I fix first if a vertical ad has several safe-zone problems?
Prioritize any obscured opening promise, product demonstration, price, or call to action. Then check captions, logos, and decorative elements. Re-preview each revised export.
Platform references
Map your ad before the placement check.
Upload a video you have the right to analyze, choose Ad intelligence, and get a timestamped first pass. Then verify each important moment in the platform preview. One daily on-screen analysis is free without signup, up to 10 minutes and 200 MB. The worksheet download is free. Built-in Copy, Word and PDF for an eligible existing free report unlock with one credit, without a rerun; paid analyses include exports.
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