Video Ads for Google Shopping: Specs, Formats, and Best Practices for 2026

Video is no longer optional creative for Shopping-adjacent campaigns. Performance Max, Demand Gen, and YouTube Shorts all pull from the same asset library, and Google increasingly surfaces shoppable video content in "browsy" discovery surfaces — Discover feed, Shorts, and Image Search — where static product images alone underperform. Here's the current spec sheet and what actually moves performance.

Why Video Matters More for Shopping Now

Google's Video ads across Google surfaces update extended video-driven shoppable formats to Search, Image Search, Google Shopping, and Discover — surfaces that used to be purely static/text. For merchants, this means the video assets you upload to Performance Max and Demand Gen asset groups aren't a nice-to-have anymore; they're directly feeding placements your shoppers already browse.

The 2026 Spec Sheet

Format	Aspect Ratio	Resolution	Recommended Length
Horizontal	16:9	1920×1080px min	15-30 seconds
Vertical	9:16	1080×1920px min	6-15 seconds (Shorts-style)
Square	1:1	1080×1080px min	15 seconds
YouTube Shorts ads	9:16	1080×1920px min	Under 60 seconds recommended

YouTube Shorts and the Shopping Feed

YouTube Shorts ads can now show a "Shopping" chip that, when tapped, surfaces your product feed directly inside the Shorts viewing experience. This means your Merchant Center feed quality directly affects how your video ads perform on Shorts — a great video with a thin or poorly-imaged feed still underperforms once a viewer taps through to browse products. Practical takeaways:

• Feature products in your Shorts video that are also well-represented in your feed (good images, complete pricing/availability, in stock).
• Don't feature a product prominently in video if it's chronically low-stock or has weak feed data — you're spending creative effort driving traffic to a weak listing.
• Use GMC feeds to power image ads inside Shorts and Demand Gen even when a full video isn't ready — this is a lower-effort way to get shoppable presence on Shorts placements.

PMax vs. Demand Gen Video Requirements

Both campaign types accept video assets, but the emphasis differs:

• Performance Max: video is one asset type among many (images, text, logos) within an asset group. It's optional but strongly recommended — skip it and Google auto-generates one from your images, which is rarely as effective.
• Demand Gen: built specifically for visually rich, feed-style placements (Discover, YouTube Shorts, Gmail, in-stream). Video performs proportionally better here because the surfaces themselves are video-native. If your account runs Demand Gen alongside Shopping, prioritize video production for Demand Gen assets first.

Production Tips That Don't Need a Studio

You don't need a professional video team to produce usable Shopping-adjacent video creative:

1. Slideshow-with-voiceover: string together 4-6 existing product photos with simple pan/zoom motion and a scripted voiceover covering the same value props as your top-performing ad copy.
2. Phone-shot UGC-style clips: unboxing, in-use, or "why I bought this" style clips shot on a phone often outperform polished studio video, especially on Shorts and Discover, because they match the native content style of the surface.
3. Repurpose existing assets: if you have product demo videos from your site or social channels, reformat them to the aspect ratios above rather than producing from scratch.
4. Caption everything: most video is watched with sound off initially — burn in captions for your key value prop in the first 3 seconds.

Measuring Video Asset Performance

Inside Performance Max and Demand Gen reporting, check asset-level performance under the asset group details rather than judging video performance from overall campaign metrics alone. Look specifically at:

• Whether the video asset is marked "Learning," "Low," "Good," or "Best" relative to other assets in the same group
• View-through and engagement metrics where available, not just conversions — video often plays an assist role earlier in the funnel
• Whether removing/replacing a "Low" performing video changes overall asset group Ad Strength and delivery

Captions, Sound-Off Design, and Accessibility

The majority of video impressions across Discover, Shorts, and in-feed placements are watched with sound off by default, at least until a viewer chooses to engage. This has direct implications for how you structure your video assets:

• Front-load your hook visually, not just verbally. If your first three seconds rely entirely on spoken narration to make sense, most viewers will scroll past before the message lands.
• Burn in captions for any spoken value proposition, price point, or offer — don't rely on platform-generated auto-captions alone, since accuracy varies and burned-in text guarantees the message survives regardless of playback settings.
• Use on-screen text for pricing and CTAs. "Free shipping over $50" or "20% off today" should appear as text overlay, not just be spoken, so it registers even in sound-off scroll-through viewing.
• Test both a voiced and a text-only cut of the same core video where you have the resources — performance differences between the two can be substantial depending on your audience and placement mix.

How Often to Refresh Video Assets

Video creative fatigue sets in more slowly than static image fatigue for most accounts, since video's format itself provides more engagement variety, but it isn't immune. Signs it's time to refresh:

• Video-specific engagement metrics (view-through rate, watch time) trending down for 2+ consecutive weeks after an initial stable performance period
• Asset group Ad Strength or asset-level rating dropping from "Good"/"Best" to "Low" for a previously strong video
• Overall campaign frequency climbing significantly among your core remarketing audience, suggesting the same viewers are seeing the same video repeatedly

As a starting cadence, plan to introduce at least one new video variant per quarter for actively scaling campaigns, and sooner if any of the fatigue signals above appear. Rotate concepts (new hook, new product focus, new format like UGC vs. studio) rather than just re-editing the same footage, since genuine creative variety — not just a "new" file — is what resets fatigue.

Video Production Budget Tiers

Not every merchant needs the same level of video investment. A rough framework by account maturity and spend level:

Account Stage	Realistic Video Investment	What to Prioritize
Nascent / early stage	One phone-shot vertical video	Cover the single strongest value proposition; skip horizontal/square variants initially
Developing	2-3 videos across formats	Add a square/horizontal cut of the top performer, plus one UGC-style variant
Established	Quarterly refreshed video library	Rotate concepts by season/promotion, test voiced vs. text-only cuts
Advanced	Ongoing production pipeline	Dedicated creative testing calendar, multiple concepts per asset group

The common mistake in both directions is over- or under-investing relative to account stage — a nascent account spending on studio production before proving basic offer-market fit, or an advanced account still running the same single auto-generated video it started with two years ago.

Where Feed Quality and Video Creative Intersect

It's easy to treat video production and feed management as separate workstreams handled by different people, but on Shopping-adjacent surfaces they're more tightly linked than most teams realize. A shopper who watches a strong video ad and taps through to browse your feed forms their next impression almost entirely from feed data — product images, pricing accuracy, and availability status. Before investing heavily in new video creative, it's worth running a quick feed health check to confirm the products your video features are well-represented: complete image sets, accurate current pricing, and correct availability status. A great video driving traffic to a thin or broken product listing wastes the creative investment at the last step of the funnel.

Frequently Asked Questions

Do I need a different video for every asset group?

Not necessarily — one strong video can serve multiple asset groups if the creative theme genuinely fits, but avoid using the exact same video across groups meant to target different audiences or product lines, since that defeats the purpose of segmentation.

What happens if I never upload a video asset?

Google auto-generates a video from your existing images and text for Performance Max. It's functional but generic, and typically underperforms even a simple manually produced video.

Is vertical or horizontal video more important in 2026?

Vertical (9:16) has become the priority format given the growth of Shorts and Reels-style placements, but supplying both where possible maximizes eligibility across all surfaces.

Can weak product feed data hurt my video ad performance?

Yes — on Shorts placements with the Shopping chip, viewers tap through to your actual feed data. Weak images, missing pricing, or out-of-stock items in the feed undercut even great video creative. Run a feed scan alongside any video creative push.