Digital Advertising Specifications Guide: Ad Sizes, Formats & Creative Requirements | AAMA

Laptop displaying square, landscape, vertical, banner, carousel, and video ad formats

Prepare digital advertising creative for production and trafficking with the AAMA Digital Advertising Specifications Guide. This professional reference brings together practical production standards, major-platform creative requirements, safe-zone considerations, file guidance, and pre-launch verification practices in one working resource.

Digital advertising specifications change frequently as platforms introduce new placements, alter campaign architecture, revise accepted formats, and change how creative is cropped or recomposed. For that reason, the AAMA guide is designed as a dated reference rather than a permanent promise that a particular specification will remain unchanged.

Download the Digital Advertising Specifications Guide

The AAMA Digital Advertising Specifications Guide is provided as an editable Microsoft Word document. The current edition is dated September 2026 and includes direct links to the official platform documentation reviewed when the guide was prepared.

Teams should always verify current requirements inside the live advertising platform and official documentation before final trafficking. This is particularly important for file-size limits, duration, safe zones, text limits, codecs, placement availability, and automated creative treatments.

What the Guide Helps You Do

Advertising creative can meet the strategic requirements of a campaign and still fail during production because the wrong aspect ratio, file type, duration, crop, or platform requirement was used.

The guide gives marketers, media planners, designers, producers, agencies, consultants, students, and academic teams a common reference for discussing how an advertisement must actually be prepared before it can be launched.

It also helps teams distinguish three different questions: what a platform technically accepts, what the platform recommends, and what production standard makes the most sense for the campaign.

What’s Included

The guide includes reference sections for:

  1. How to Use the Guide
  2. Common Static Display Ad Sizes
  3. Google Responsive Display Ads
  4. YouTube & Google Video Ads
  5. Meta: Facebook & Instagram Production Masters
  6. LinkedIn Single Image Ads
  7. LinkedIn Carousel & Video Ads
  8. TikTok Auction In-Feed Ads
  9. Pinterest Advertising
  10. Safe Zones, Cropping & Responsive Recomposition
  11. Text, Accessibility & Compliance Production Rules
  12. Pre-Trafficking QA Checklist
  13. Specification Verification Log
  14. Authoritative Specification Sources

The document also distinguishes official platform specifications from AAMA production recommendations throughout the guide.

Start With the Placement

A creative team should not begin production from a vague instruction such as “make a social ad” or “make a display banner.” The platform, campaign type, placement, device environment, and media strategy can materially change what must be produced.

A vertical video designed for a full-screen mobile environment has different requirements from a landscape video, feed image, responsive display asset, fixed-size banner, or carousel card. Identifying the actual placement before final production reduces unnecessary resizing and re-editing later.

Official Specification vs. Production Recommendation

The guide uses two different types of guidance.

Official platform specifications are requirements or recommendations drawn from the current platform documentation reviewed for the September 2026 edition.

AAMA production recommendations are practical standards intended to improve creative reuse, image quality, cropping flexibility, or cross-placement compatibility.

This distinction is particularly important for platforms that dynamically adapt creative across multiple placements. A useful production master may be larger or more flexible than the minimum file a platform technically accepts.

Produce Above the Minimum

Minimum accepted resolution should generally be treated as the lowest technical threshold rather than the preferred production target.

Higher-quality source files provide greater flexibility for cropping, resizing, adaptation, and future placements. They can also reduce visible degradation caused by repeated compression or platform processing.

The guide therefore emphasizes recommended production dimensions where reliable guidance is available rather than encouraging teams to build creative at the smallest technically valid size.

Common Static Display Sizes

Fixed-size display advertising remains relevant even as responsive and asset-based advertising becomes more common.

The guide includes common compact, rectangle, leaderboard, banner, half-page, skyscraper, and square dimensions used across display inventory. These sizes can provide a starting reference when a publisher, network, or direct media buy requests fixed-image units.

Final production should still follow the trafficking sheet provided by the publisher or ad server. Maximum file weight, animation rules, click-tag requirements, HTML5 standards, and third-party serving requirements may differ even when the pixel dimensions are familiar.

Google Responsive Display Ads

Responsive advertising requires a different production mindset from traditional fixed banners.

Rather than designing one complete advertisement, the advertiser supplies separate images, logos, headlines, descriptions, and other assets that the system can combine across different layouts.

The AAMA guide includes current reference dimensions for landscape, square, and vertical images, logo formats, text limits, and asset quantities. It also explains why each individual asset should remain useful even when it appears in a different combination than the creative team originally imagined.

Design for Automated Combination

An image, headline, description, and logo may not always appear together in the same way.

This means creative teams should avoid dependencies such as a headline that makes sense only when paired with one particular image or a description that assumes another specific line of text always appears above it.

Asset-based advertising works best when the individual pieces remain strategically consistent without becoming repetitive.

YouTube & Google Video Ads

Video advertising now requires more than one horizontal master.

The guide covers horizontal, vertical, and square video references as well as Shorts, bumper advertising, thumbnails, companion banners, and safe-zone considerations.

Teams should determine the actual campaign type and placement before locking duration because different YouTube formats can have different timing requirements.

Produce Native Vertical Video

A vertical advertisement should generally be composed as a vertical advertisement rather than treated as a cropped version of a horizontal edit.

Important subjects, product demonstrations, typography, transitions, and calls to action may need different positioning in a 9:16 frame.

Creating an intentional vertical version also gives the production team better control over what remains visible around platform interface elements.

Meta: Facebook & Instagram

Meta advertising can distribute creative across several placements with different aspect ratios and interface treatments.

The AAMA guide therefore provides recommended production masters for square feed, vertical feed, full-screen Stories and Reels, and horizontal support creative while directing users back to the live Meta Ads Guide and placement preview for final requirements.

These AAMA dimensions are production recommendations rather than permanent technical limits. The live placement preview should remain the final check before trafficking.

Use Placement Previews

Automated placement systems can crop, frame, or recompose the same asset differently across environments.

A technically correct upload does not guarantee that every important element will remain visible. Teams should review each placement preview rather than assuming that acceptance by the upload interface means the creative is finished.

This is particularly important for logos, product details, pricing, legal disclosures, calls to action, and text placed near the edges of the frame.

LinkedIn Single Image Ads

LinkedIn supports landscape, square, and vertical image advertising with different delivery characteristics.

The guide includes current image ratios, recommended dimensions, file requirements, and major text recommendations. It also identifies where vertical creative differs from desktop-compatible formats.

For organizations advertising to professional audiences, these distinctions can help prevent creative from being developed around a desktop-only assumption when a substantial portion of delivery may occur on mobile.

LinkedIn Carousel Ads

Carousel advertising introduces an additional production requirement: the sequence must work as both individual cards and as a larger narrative.

The guide includes current card quantity, aspect ratio, file, resolution, and text guidance. It also notes the current distinction between LinkedIn carousel and video formats.

Creative teams should not assume that every user will view every card. The campaign should still communicate useful information when only part of the sequence is seen.

LinkedIn Video Ads

The guide includes landscape, square, 4:5 vertical, and 9:16 vertical video specifications as well as file, duration, frame-rate, audio, and thumbnail considerations.

A single campaign may benefit from several aspect ratios when the media plan is expected to run across different devices and placements.

Production planning should account for these versions before the edit is finalized so composition, supers, captions, and calls to action can be adapted intentionally.

TikTok In-Feed Advertising

TikTok’s In-Feed advertising distinguishes between Spark Ads using existing organic content and Non-Spark advertising creative.

The guide includes current Non-Spark vertical, horizontal, and square requirements along with file formats, duration, file size, bitrate, profile image, and safe-zone considerations.

TikTok also provides placement-specific safe-zone resources. Teams should use the current platform template rather than attempting to estimate interface coverage from screenshots.

Design for TikTok’s Interface

Vertical video can contain multiple interface elements, including account information, captions, calls to action, and other controls.

Creative should keep its most important information within a safe central composition while still using the vertical canvas effectively.

The guide also recommends producing a high-quality 1080 x 1920 vertical master when practical even when the platform’s minimum accepted resolution is lower.

Pinterest Advertising

Pinterest remains a strongly visual advertising environment with its own vertical conventions.

The guide covers standard image ads, standard-width video, carousel advertising, major file requirements, aspect ratios, and text considerations.

Pinterest’s 2:3 image format is particularly important because substantially taller creative can be cut off in the feed. Production should account for the way the advertisement will actually appear rather than treating Pinterest as another generic social placement.

Safe Zones Matter

Many digital advertising environments place user-interface elements over the creative.

These can include profile information, captions, navigation controls, calls to action, disclosure labels, buttons, or other platform elements. The exact position may change by device or format.

Safe-zone planning should therefore happen while the creative is being designed rather than after the advertisement has already been approved.

Prepare for Responsive Cropping

Responsive advertising may crop the same image differently depending on available inventory.

Important subjects, logos, product information, or text placed near an edge may disappear even though the original file technically meets the required aspect ratio.

Keeping essential information within a strong central composition can make creative more resilient, but placement previews should still be reviewed before launch.

Plan for Silent Viewing

Video should not assume that every user will hear the audio.

The central idea should remain understandable through visuals, captions, on-screen context, or another appropriate method when sound is unavailable.

This does not mean every sentence spoken in the video needs to be repeated as large on-screen text. It means the creative should remain comprehensible in the environment where it will actually be consumed.

Consider Accessibility During Production

Digital creative should remain readable and usable beyond simply passing the platform upload check.

Teams should review text size, contrast, captions, readability, disclosures, language, and other accessibility requirements relevant to the advertisement.

Accessibility should be part of the production specification rather than a correction made after creative has already been exported.

Verify Advertising Claims

Technical specifications do not determine whether an advertising claim is supportable.

Creative should also be reviewed for prices, dates, offer restrictions, required disclosures, product availability, geographic limitations, claims, testimonials, and other information that may affect accuracy or compliance.

The guide therefore includes claim and compliance checks within the pre-trafficking workflow rather than treating file preparation as an isolated technical task.

Test the Destination

The creative file is only one part of the advertisement.

Destination URLs should be tested on the devices relevant to the campaign, and tracking parameters should be reviewed before launch. Redirect errors, broken pages, incorrect mobile experiences, and tracking problems can undermine an advertisement even when the media and creative are otherwise correct.

The final trafficking process should connect creative QA with landing-page and measurement QA.

Use a Pre-Trafficking Checklist

The guide includes a practical checklist covering dimensions, aspect ratio, file format, codec, size, duration, safe zones, mobile readability, thumbnails, captions, claims, disclosures, destination URLs, tracking, previews, naming conventions, and final file archiving.

This creates a repeatable handoff between creative production and media trafficking.

Organizations can expand the checklist with platform, industry, client, or regulatory requirements specific to their work.

Keep a Specification Verification Log

Because platform requirements change, the guide includes a verification log where teams can record the platform, placement, source, date, reviewer, and any difference found between the live requirements and the AAMA snapshot.

This creates a useful operational record and helps prevent an old specification from quietly becoming an organizational standard.

The log can also help identify which parts of the guide should be updated in a future edition.

Verify Before Every Major Launch

A specification guide should make production faster, but it should never become an excuse to stop checking the source.

The safest workflow is to use the AAMA guide during planning and production, then confirm the actual placement requirements again immediately before trafficking.

This balance provides the efficiency of a shared reference while acknowledging how quickly advertising platforms can change.

Authoritative Specification Sources

The September 2026 guide includes direct links to current documentation from Google Ads, Meta, LinkedIn, TikTok, and Pinterest.

These source links are included inside the downloadable document so users can move directly from the reference table to the platform documentation during final verification.

The platform interface and current official documentation should always take precedence when they differ from the dated AAMA guide.

Review the Guide Regularly

Organizations that use the guide as an operational production resource should review it periodically.

A quarterly review is a reasonable starting point for a working specification library, with immediate review when a major advertising platform changes campaign structure, introduces new placements, removes formats, or revises its creative tooling.

Every version of the guide should retain a visible reference date so users understand when the information was last reviewed.

Use It With the AAMA Media & Creative Resources

Use the guide alongside Media Planning Fundamentals, the AAMA Media Plan Template, UTM Naming Convention Guide, Landing Page Evaluation Checklist, Advertising Copy Review Checklist, Advertising Claims Checklist, AAMA Creative Brief Template, and AAMA Campaign Planning Workbook.

Together, these resources connect campaign strategy with media selection, creative production, technical preparation, tracking, landing-page experience, compliance, and final trafficking.