Retailers frequently need large volumes of promotional banners to advertise sales, new products, or localized campaigns. While many tools handle image automation, generating SVG files can be especially valuable for responsive web graphics or print-friendly vector art. SVG is resolution-independent, meaning your banner will look crisp at any size—ideal for omnichannel marketing.In this post, we’ll explore four popular approaches to automating promotional banners (with a special eye on creating SVG output):
  1. InDesign Data Merge
  2. Bannerbear
  3. Relayter (designed for retail)


Why SVG?

  1. Scalability & Crispness
    SVG is vector-based, so it scales infinitely without losing quality—perfect for both mobile and large displays.
  2. Smaller File Sizes
    In many cases, SVG files can be lighter than high-resolution raster images, leading to faster loading times on websites.
  3. Versatility
    SVGs can be repurposed for web, print, or even animated with minimal extra effort.
  4. Brand Consistency
    Fine control over colors, shapes, and text without pixelation or distortion.

Why Automate Banner Creation with CSV?

  • Consistent Branding
    Keep colors, fonts, and layouts consistent across hundreds (or thousands) of banners.
  • Faster Turnarounds
    Launch new promotions or flash sales without starting every design from scratch.
  • Personalization & Localization
    Include region-specific pricing, languages, or seasonal details, all drawn from CSV data.
  • Reduced Errors
    Automated systems reduce the risk of typos or mismatched images—every banner is mapped correctly to the data in your CSV.

Option 1: InDesign Data Merge (Vector Workflow)

What It Is
Adobe InDesign includes a “Data Merge” feature often used for catalogs, but it can also serve for banner-like layouts. While InDesign’s default exports tend to be PDFs or rasterized images, you can incorporate vector elements (like logos, shapes, or text) in your designs.

How It Works

  1. Create a base InDesign document with placeholders for your text and images.
  2. Import your CSV file into InDesign’s Data Merge panel.
  3. Map columns (e.g., Product Name, Price, Image Path) to placeholder fields.
  4. Generate merged pages—one page or banner per CSV row.

SVG Considerations

  • By default, InDesign doesn’t offer a direct “Export to SVG” option for multiple merged records. You can export to PDF (which remains vector-based if your content is vector) and then use a PDF-to-SVG converter as a workaround.
  • Ideal if your creative team already lives in the Adobe ecosystem and you only need a small number of banners (or you’re okay with the PDF-to-SVG step).

Pros

  • Robust layout control and typography in a familiar Adobe environment.
  • Supports vector-based design elements (EPS/AI logos, shapes).
  • Data Merge is relatively easy to learn.

Cons

  • No direct bulk “Export to SVG” after merging—requires additional steps.
  • More suited for static PDF/print workflows, though can be adapted for web if you convert PDFs to SVGs.
  • License cost and a desktop-based approach.

Best For

  • Designers who primarily work in Adobe and are willing to do an extra PDF-to-SVG conversion for final vector files.

Option 2: Bannerbear (Primarily Raster)

What It Is
Bannerbear is a cloud service aimed at automating image-based marketing assets—think social media posts, product images, and simple promotional banners. It focuses on generating PNG/JPG outputs via an API or CSV.

SVG Considerations

  • Bannerbear currently focuses on raster image outputs like PNG/JPG.
  • It’s possible to add vector elements in the template (like an SVG logo), but the final result is still a flattened image in most cases.

Pros

  • User-friendly, web-based interface.
  • Quick integration with automation tools (Zapier, Make, etc.).
  • Easy for non-technical users to generate many promotional images.

Cons

  • Not designed for exporting final banners as SVG (you generally get raster outputs).
  • Limited creative control compared to advanced vector workflows.
  • Usage costs can rise with high-volume automation.

Best For

  • Quick generation of standard-sized promotional images for social media or websites—where vector (SVG) is not critical.

Option 3: Relayter (Scalable SVG Workflow for Retail)

What We Do
We specialize in helping retailers automate the creation of true vector banners (SVG) from CSV data. Our system supports advanced templating, business rules, and brand asset libraries so you can quickly generate on-brand web or print assets in scalable vector format.

Key Features

  1. Template Design & Upload
    • Start with an SVG template (designed in a vector tool of your choice)
    • Create seperate SVG files for each element you want to dynamically add to your content. For instance a price panel.
    • Tag the content you want to dynamically replace.
  2. Business Rules
    • Define logic for how CSV data maps to your banner templates.
    • Example: If a product is on sale, automatically insert a “Sale” badge or change text color to red.
  3. SVG Library & Brand Assets & Fonts
    • Store logos, icons, shapes, and brand colors for easy reuse.
    • Ensures consistent branding across all promotions.
  4. CSV Ingestion & Automation
    • Upload or connect your CSV (e.g., product data, prices, localized text).
    • The platform automatically populates your templates at scale—generating 10, 100, or 10,000 vector banners.
  5. Multi-Format Output
    • Export directly as SVG for web or app usage.
    • Also supports PDF (for print), PNG (for social media), or any other needed formats.

Benefits of Relayter

  • Native SVG Output
    Eliminate the headache of conversions; your assets stay vector-based from start to finish.
  • Easy-to-Use Interface
    Marketing teams can handle updates without coding, thanks to a visual ruleset editor.
  • Scalable Cloud Rendering
    Produce banners for an entire product catalog in minutes—no local software needed.
  • Advanced Logic
    Perfect for scenario-based promotions (e.g., region-specific currencies, dynamic discounts, or language variations).

Best For

  • Retailers who want a true vector workflow for crisp, scalable banners.
  • Teams that need to frequently update promotional materials with minimal manual design work.
  • Anyone wanting an all-in-one automated solution without patching together multiple tools.

Which Option is Right for You?

InDesign Data Merge

  • Good for existing Adobe-heavy teams who don’t mind an extra PDF-to-SVG step.
  • Typically for simpler or print-focused layouts.

Bannerbear

  • Cloud-based, easy to set up, but lacks direct SVG output.
  • Best for quick PNG/JPG social media or website banners.

Our SaaS Platform

  • Built for true SVG generation—ideal if you need crisp, scalable banners across web and print channels.
  • Simplifies templating, business logic, and bulk production in one place.

Final Thoughts

Automating banner creation with CSV data is a major time-saver, especially for retailers juggling large product inventories and frequent promotions. However, true vector (SVG) output can give you a distinct advantage by delivering perfectly scalable, brand-consistent graphics that work seamlessly on both digital and print platforms.

If your marketing team is ready to embrace a modern, fully vector-friendly workflow, reach out to us for a demo. We’ll show you how our platform can streamline your promotional design process, eliminate repetitive tasks, and let you scale your marketing campaigns with minimal effort—while keeping your branding polished and professional at any size.


About the author

Simon Windt

Simon started out in ecommerce software development but soon found his passion in entrepreneurship. He successfully founded multiple tech startups and sold digital agency mediaBunker to CMN Group. He then co-founded spinoff company Relayter to solve the complex issues that come with large retail marketing content productions. Going from large datasets from multiple sources to automatic layout and design. His mission is to redefine and simplify how large retailers operate their marketing content execution.