Knowledge graph

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Aspect Ratio

Aspect ratio defines a creative's frame proportions, and each placement pairs a ratio with safe zones where UI chrome overlays the asset. Getting either wrong crops the message.

Why it matters

One master asset must ship in several ratios, which is exactly the repetitive work worth automating.

Topic coverage
76%

Still to publish: guide, benchmark.

Also called

aspect ratio9:164:51:116:9ad sizead sizessafe zoneplacement spec

Glossary

Ad specs

16:9 ratio

The standard landscape video ratio — 1920×1080 px, 1.778:1 — used by YouTube in-stream, Meta landscape video and every HD display.

Updated Aug 2026
Instagram Feed (square)

Instagram Feed (square) ad size: 1080x1080px, 1:1, JPG, PNG, MP4, MOV. Product hero shots and single-message brand ads.

Updated Jan 2026
9:16 ratio

The full-screen mobile ratio — 1080×1920 px — used by Reels, Stories, TikTok, Shorts and Spark ads.

Updated Aug 2026
Instagram Story

Instagram Story ad size: 1080x1920px, 9:16, JPG, PNG, MP4, MOV. Full-screen mobile takeover; sequential storytelling.

Updated Jan 2026
1.91:1 ratio

The link-ad and social-preview ratio — 1200×628 px — used by Meta link ads, LinkedIn single image and Open Graph cards.

Updated Aug 2026
Instagram Feed (portrait)

Instagram Feed (portrait) ad size: 1080x1350px, 4:5, JPG, PNG, MP4, MOV. The highest-impression single asset on Meta mobile feed.

Updated Jan 2026
4:5 ratio

The highest-performing feed ratio — 1080×1350 px — the tallest frame Meta and Instagram will show in-feed.

Updated Aug 2026
Instagram Reel

Instagram Reel ad size: 1080x1920px, 9:16, MP4, MOV. Native, sound-on video that mimics organic Reels.

Updated Jan 2026
TikTok In-Feed

TikTok In-Feed ad size: 1080x1920px, 9:16, MP4, MOV, MPEG, AVI. Standard TikTok ad — appears between organic FYP videos.

Updated Jan 2026
1:1 ratio

The universal square — 1080×1080 px — accepted by every marketplace and the safest fallback ratio.

Updated Aug 2026
YouTube ad specs

YouTube ad video specifications for 2026 — In-Stream, Bumper, Discovery, Shorts, and Masthead.

Updated Jan 2026
Google Display sizes

All Google Display Network image ad sizes, plus responsive display ad requirements — 2026 reference.

Updated Jan 2026

Free tools

Platform

Comparisons

Connected concepts

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