Social Media Image Posting Guide

A one-page creator preflight board for image posting. Pick a platform and content type, then get dimensions, aspect ratio, file limits, tagging rules, hashtag guidance, AI/disclosure notes, and a plain-English posting checklist.

First-run build Specs + workflow notes Official + best-practice split
Platforms5Instagram, Facebook, X, Pinterest, DeviantArt
Content types12+Feed, Story, Carousel, Pin, Deviation, and more
Use casePreflightExport cleaner, post cleaner, get fewer surprises

What this page does

  • Shows platform-specific image dimensions and allowed aspect ratios.
  • Separates hard specs from softer best-practice advice.
  • Explains mentions, image tags, hashtags, and special disclosure quirks.
  • Gives a copy-ready checklist so posting does not become a scavenger hunt.
Official doc-backed Best-practice guidance Needs periodic re-check

Instagram Feed Post

Posting reference

Tagging, mentions, and labels

    Posting notes

      AI disclosure and monetization caveats

        Copy checklist

          Quick comparison for this platform

          Content type Recommended size Aspect ratio File notes

          Visual preview

          Safe-zone preview, crop risk, and screen fill
          Top UI / crop pressure area
          Bottom UI / caption pressure area

          Source links

          Official docs and support pages that informed this record