ClaudSkills / Growth & Marketing / social-media

Social Media Image Sizes

Q: What is a Claude Code skill and how does the Social Media Image Sizes skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Social Media Image Sizes is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Growth & Marketing category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Growth & Marketing · Sub-category: social-media · Last updated: 2026-05-21

Check and resize images for social media platforms. Run scripts/check.js to validate any image against specs for Instagram, Facebook, X (Twitter), LinkedIn, TikTok, YouTube, Pinterest, Snapchat, and Threads — get a ranked match list with exact resize commands. Run scripts/resize.js to export a correctly-sized copy. Use when a user asks to validate image dimensions, resize an image for a platform, check if an image fits a spec, or prep assets for social media posting or ads.

Security AStatic scan found no risk patternsHow grading works ›

About this skill (catalog notes)

Social Media Image Sizes includes a dedicated installation section; 6 code blocks for direct copy-paste. The SKILL.md is on the shorter side at about 476 words.

License: MIT
Original author: Branding5
Indexed lastmod: 2026-05-21
Catalog position: Growth & Marketing · social-media
Indexed related skills: 10

How Social Media Image Sizes fits the catalog

Social Media Image Sizes sits in the Growth & Marketing category under the social-media sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Check and resize images for 9 platforms / 60+ specs. Scripts mirror the logic at [branding5.com/tools/social-media-cheat-sheet](https://www.branding5.com/tools/social-media-cheat-sheet).

What this skill does

Social Media Image Sizes is a community-contributed Claude Code skill in the social-media sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/social-media-image-sizes/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when a user asks to validate image dimensions, resize an image for a platform, check if an image fits a spec, or prep assets for social media posting or ads.

Who uses this skill

The Social Media Image Sizes Claude Code skill is built for growth marketers, product-led growth teams, founders running experiments, and performance marketing teams. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 154,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/social-media-image-sizes
curl -L https://claudskills.com/skills/social-media-image-sizes/SKILL.md \
  -o ~/.claude/skills/social-media-image-sizes/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/social-media-image-sizes/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/social-media-image-sizes/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\social-media-image-sizes\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Social Media Image Sizes Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/social-media-image-sizes/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Social Media Image Sizes skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Social Media Image Sizes skill?

Use Social Media Image Sizes when your Claude Code task falls under the Growth & Marketing category — specifically in the social media area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Social Media Image Sizes" or describe the task and let Claude pick). Browse related skills at /category/growth/.

What is a Claude Code skill and how does the Social Media Image Sizes skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Social Media Image Sizes is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Growth & Marketing category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/Branding5/social-media-image-sizes/blob/76e18916020742bb7025f794b38156c964cac0fa/social-media-image-sizes/SKILL.md
License: MIT
Author: Branding5

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

Branding5. (2026). Social Media Image Sizes [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/social-media-image-sizes/

BibTeX

@misc{social-media-image-sizes-2026,
  author    = {Branding5},
  title     = {Social Media Image Sizes [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/social-media-image-sizes/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/social-media-image-sizes.svg)](https://claudskills.com/skills/social-media-image-sizes/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-07-19 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/social-media-image-sizes/#security)

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