Designing display ads for both Connected TV (CTV) and banners is a challenge we at SizeIM know firsthand. We’ve worked with agencies, designers, and marketing teams navigating the ever-evolving landscape of multi-format campaigns. Meeting both the creative expectations of a 55-inch living room screen and the strict constraints of a 300x250px banner takes a thoughtful, systemized approach. In this expansive guide, we’ll get personal about what really matters—safe areas, fast loading, and practical workflow tips—so your CTV-to-banner assets look incredible everywhere.

Why the Right Foundation Matters for CTV and Banner Creative
Connected TV has fueled a renaissance in brand storytelling. Viewers expect slick visuals, bold messaging, and more interactivity than ever before. But as we shift between screens—televisions, desktops, tablets, and mobile devices—a single mistake in your creative foundation can lead to awkward cropping, blurred messaging, or painfully slow load times. Consistency is non-negotiable for brand trust, and efficiency in design is essential to keep up with tight deadlines and budgets.
Understanding TV-Safe Zones (and Why They Are Non-Negotiable)
Let’s break down the importance of TV-safe zones. Unlike web banners, televisions exhibit something called overscan—where the picture appears zoomed in or edges get cropped on some devices. This means:
- All your critical elements—logos, copy, call-to-action buttons—must be placed inside the inner safe area.
- We consistently recommend a minimum margin of 10% from every edge. This usually keeps visuals out of the danger zone, regardless of display brand or user settings.
- Navigation arrows, CTAs, and overlays should never touch the screen’s outer borders.
- For overlays, keep any lower third elements less than 300px tall for maximum visibility.
Our responsive approach means you can duplicate these layout fundamentals easily across banner variants, maintaining safety and clarity for every format.
Layouts and SizeIM’s Responsive Strategy
When creating CTV designs, the magic is in using layouts that scale. A few approaches we rely on:
- Edge-protected layouts: Let your background or hero images extend edge-to-edge, but anchor everything else in the safe zone.
- Floating banners: The most impactful messaging centered, keeping the periphery free of essentials.
- Flexible overlays: Create overlays that visually adapt—growing or shrinking based on the canvas, but never violating brand safety or legibility.
This is easier said than done without the right tools, but with automated, responsive frameworks (like ours), you don’t have to rework for every size—you simply adjust once, and all variants update accordingly.
The Brand Consistency Checklist
- Logo Placement: Ensure your logo is always visible and never at risk of edge cropping.
- Color Palette: Stick to your brand kit. Automated tools ensure each ad size stays true to your selected colors.
- Imagery: Only use images consistent with your brand’s visual identity, and match style across every ad variation.
- Typography: Upload your custom fonts for uniformity in messaging.
Writing and Placing Messaging that Works on CTV and Banners
TV viewers are not sitting two feet away with a keyboard—they’re ten feet back with a remote. That means:
- Use a single, clear core message per creative. Burying the key value proposition in small type or cluttered copy never works.
- Write CTAs that can be read quickly: Think “Try Today,” “See More,” or “Get Offer.”
- Ensure CTAs (and supporting buttons) are at least 400x150px in size for CTV, readable from a distance, and clickable on banners.
- Consider adding QR codes for a seamless mobile handoff, especially for branding campaigns.

Essential Design Practices for Multi-Format Success
- Bold Buttons: Use contrasting colors, familiar shapes, and intuitive navigation icons.
- Legible Text: Choose robust system fonts or upload your custom ones. Minimum color contrast should stand at 4.5:1 for true accessibility.
- Testing: We preview text in every size, down to 250px width, to confirm readability and clarity remain uncompromised.
Avoid long overlay paragraphs. Every word must earn its space, especially at the smallest size.
Multi-Size Formats: What’s Actually Needed
Struggling to keep up with the ever-growing list of required display sizes? We feel your pain! Here’s what we routinely generate, so you can cover the widest range of networks:
- Banner: 728x90px, 970x90px, 468x60px, 234x60px, 320x50px
- Vertical: 120x240px, 120x600px, 160x600px, 300x600px, 300x1050px
- Rectangle/Square: 300x250px, 336x280px, 250x250px, 200x200px, 970x250px
- Mobile Specific: 320x100px and 320x50px
Instead of 8-12 hours of manual resizing, use responsive templates to generate all these in minutes—your campaign launch velocity will skyrocket.
Pre-Launch Campaign Planning: The Steps That Save You Later
- Assess what worked—or didn’t—in previous campaigns. Identify your creative strengths and audience sweet spots.
- Get clear about where your ads will run (CTV, major networks, social, programmatic exchanges, niche platforms).
- Work out all the ad sizes each outlet requires. Map them before any pixel is pushed.
- Define the target audience and match messaging/visuals accordingly.
- Be realistic with timing and creative budgets. Creative production is just as critical as media spend.
For more on mapping specs for different destinations and reducing chaos, check out our guide, Marketplace Ad Specs Without the Mess: A Designer’s Survival Guide.
Efficient Design & Quality Assurance (QA): Avoid the Classic Pitfalls
- Work from a single, responsive master template. This is the core principle that lets SizeIM users create, revise, and deploy ads at scale across formats.
- Lock down your brand kit (logos, color palettes, fonts). Centralization prevents drift and rogue assets.
- Preview every ad in every size before handing off for launch.
- Validate button and navigation design early, especially for remote-friendly CTV or tiny mobile screens.
Agencies who use a systematic review approach, like outlined in Agency QA to Approval in One Afternoon: Real‑World Workflow Template, see better consistency and fewer campaign issues.
Measurement and Optimization: The Pro’s Checklist
- Establish performance metrics before launching: consider website traffic spikes, engagement rates, and simple surveys (like “Where did you first hear about us?”)
- Plan for at least a month-long campaign run. Anything shorter gives unreliable data.
- Document what variations you’ll A/B test, and how you’ll learn from the results.
Granular analysis is where we see brands turn creative insights into actionable, budget-saving improvements for future rounds.
Launching: Practical Tips for Setting Live Campaigns
- Upload assets to all planned platforms (from large TV networks to niche programmatic buys).
- Set audience targeting by channel, considering both broad reach for awareness and granular targeting for conversions.
- Configure frequency caps to prevent ad fatigue—typically 3-5 impressions per week for awareness, up to 8 for direct response.
- Enable conversion tracking and double-check all measurement tags are in place.
- Set a regular review cadence for in-flight campaign adjustments.
Watch Outs: Common Pitfalls in CTV-to-Banner Translations
- Avoid over-layered targeting, which can restrict reach and drive up costs. Start broader, then use data to focus for better ROI.
- Never forget remote-friendly interaction for CTV creative. All major CTAs and nav elements must be easily activated with a remote or gaming controller.
- Each format has unique consumption conditions—don’t simply shrink desktop designs to mobile or TV. Adapt with intention.

Your Final Pre-Flight CTV-to-Banner Checklist
- All vital messaging and navigation firmly within TV-safe zones (use that 10% margin religiously).
- Logos, brand colors, and fonts perfect in every size variant.
- Readability confirmed at every size, through preview and QA.
- CTA buttons and interactive elements remote-friendly on TV.
- All required ad variants built, reviewed, and corrected before launch.
- Platform-side tracking and measurement locked and tested.
If you find your workflow is still slow or inconsistent, this might be the moment to review your template process—or explore whether dedicated ad design automation can help.
Conclusion: Create Once, Scale Everywhere
The gap between a blockbuster CTV ad and its display banner cousins is shrinking, but only for teams who build on a responsive, automation-first foundation. In our journey with agencies and marketing teams, we’ve found that nailing the basics—safe areas, readable text, brand consistency, and a systemized design approach—pays off in creative freedom and campaign velocity. It’s not about working harder or longer, but smarter.
For more practical playbooks specific to channel differences, check out Turn CTV Attention into Web Performance: A Creative Playbook and TV to Display: Re‑Cutting Assets That Actually Drive Clicks.
If you’re ready to skip the manual resizing headaches and see how responsive templates can transform your workflow, visit us at SizeIM and give our platform a spin. Here’s to creative that’s always on-brand, every format, every screen.