Social Media & Ads 2026 – The Practical Cheat Sheet

Stop guessing image sizes. Stop redoing your designs.
Every network wants a different format. One crops your image, another covers it with buttons. This cheat sheet gives you the answer on a single page. Made for business owners, freelancers, designers and social media managers.

What's inside

• Sizes and aspect ratios for Instagram, Facebook, TikTok, LinkedIn, YouTube, Pinterest and more

• Safe zones: what each platform covers or crops

• Ad formats overview (Meta, LinkedIn, YouTube, Google, Pinterest)

• Outdoor and digital signage ads, print, bleed, CMYK, 300 DPI and QR codes

• One master table, "Sizes 2026", on a single page

• Content pillars, the marketing funnel and how to design a good ad

• 15 common mistakes, metrics, accessibility and copyright basics

• A final pre-publish checklist

Format: PDF, A4, 35 pages. Instant download, readable on any device, print-friendly.