IAB CTV Ad Formats Guide

IAB Tech Lab's New CTV Ad Formats:Shoppable Ads, Pause Ads, L-Bars & More

Search interest around IAB CTV ad formats is rising because the market finally has a clearer framework for interactive, commerce-friendly TV inventory. If you need the short version, think of this as the new playbook for CTV banner formats that are built to drive action, not just awareness.

IAB Tech Lab's latest CTV work matters because it gives the market a more standardized way to talk about emerging interactive inventory. Industry coverage from Broadpeak helped push the update into day-to-day ad-tech conversations, but buyers usually search using execution language like shoppable overlays, L-bars, and dynamic end cards rather than spec terminology alone.

That distinction is useful. Some of the phrases marketers type into Google are official format names, and some are practical packaging terms used by sales teams, creative strategists, and streaming platforms. For campaign planning, that is fine. The important point is that these formats now sit inside a more recognizable CTV framework, which makes them easier to explain, buy, build, and measure.

Format Breakdown

The main formats advertisers should know

Shoppable Overlays

Shoppable overlay ads add product cards, QR codes, and buy-now prompts to a CTV experience. In practice, teams use them inside overlay, pause, or squeeze-back placements so viewers can move from awareness to action without leaving the couch.

Pause Ads

Pause ads CTV placements appear when a viewer pauses content. They are high-attention, non-intrusive units because they use an intentional break in viewing rather than interrupting the stream mid-program.

L-Bar Ads

L-bar ads are an L-shaped version of the broader squeeze-back family. The video shrinks and branded space wraps the left and bottom edge, giving advertisers more room for offers, logos, and QR prompts while content stays visible.

Squeeze-Back Ads

Squeeze-back ads reduce the active video area to create persistent ad real estate beside or around the content. They are useful when brands want more visual weight than a standard overlay can provide.

Interactive Overlays

Interactive overlays layer navigation, highlights, or call-to-action zones on top of a stream. They can support QR scans, remote-driven selection, or other SIMID-style interactivity depending on the platform and publisher workflow.

Dynamic End Cards

Dynamic end cards turn the final seconds of a video into a conversion surface. They package the offer, product, or next step into a clean post-roll moment that can be refreshed by audience, campaign, or catalog data.

Why They Matter

Better inventory for streamers, better outcomes for advertisers

Shared language for buyers and sellers

Standardization gives advertisers, publishers, SSPs, and creative teams a common vocabulary. That reduces one-off education and makes new inventory easier to package and sell.

Higher-value CTV inventory

These CTV banner formats create monetizable surfaces beyond a single pre-roll slot. Streaming platforms can open new placements without fully breaking the viewing experience.

More measurable actions

Shoppable overlays, pause units, and dynamic end cards move CTV closer to performance media. QR scans, product views, and direct-response prompts give advertisers clearer downstream signals.

For advertisers, that means more opportunities to add commerce, response, and branded utility to CTV. For streaming platforms, it means more flexible monetization without relying on a single interruptive ad slot. And for creative teams, it means reusable frameworks instead of rebuilding every concept from scratch whenever a publisher asks for something new.

Build Faster

Generate these formats instantly with AdMorph AI

If you want to ship shoppable overlays, pause ads, L-bar ads, squeeze-back ads, interactive overlays, or dynamic end cards without a long custom design cycle, AdMorph AI is built for exactly that workflow.