这是一个开源的AI智能体技能，专门帮你检查和调整社交媒体图片尺寸。它覆盖了Instagram、Facebook、X、LinkedIn、TikTok、YouTube、Pinterest、Snapchat和Threads等主流平台，内置60多套尺寸规范。你只要问“这张图适合发Instagram吗”或者“帮我调整一下LinkedIn横幅的尺寸”，它就能自动验证图片尺寸，给出匹配度排名，并用sharp库生成正确尺寸的导出文件。安装和使用都很简单，直接通过命令行操作就行。特别适合需要频繁为不同社交平台准备素材的运营人员、设计师和内容创作者，能省去手动查规格、反复调整的麻烦。
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Social Media Image Sizes Free, open source AI agent skill from Branding5. Check and resize images for every major social media platform. Validates image dimensions against 60+ specs across Instagram, Facebook, X (Twitter), LinkedIn, TikTok, YouTube, Pinterest, Snapchat, and Threads. Outputs a ranked match list and generates correctly sized exports via sharp. Install: [安装/使用命令见下方] Use when a user asks: "Is this image the right size for Instagram?" "Resize this photo for a LinkedIn banner" "What size should my YouTube thumbnail be?" "Prep these assets for Facebook ads" "Check if my image fits the TikTok spec" Check an image: [安装/使用命令见下方] Resize to a named spec: [安装/使用命令见下方] Platforms covered: Platform Specs Instagram Profile, Feed (portrait/square/landscape), Stories, Reels, Carousel, Ads Facebook Profile, Cover, Feed, Stories, Reels, Events, Groups, Ads X (Twitter) Profile, Header, Posts, Cards, Ads LinkedIn Profile, Background, Company, Feed, Articles, Newsletters, Ads TikTok Profile, Videos, Ads YouTube Profile, Banner, Thumbnails, Shorts, Community, Ads Pinterest Profile, Boards, Standard/Square/Long/Idea Pins, Ads Snapchat Snaps, Spotlight, Stories, Ads, Filters/Lenses Threads Profile, Posts → View skill · Full reference · Interactive tool Installation [安装/使用命令见下方] Install globally so it's available in every project: [安装/使用命令见下方] Contributing Bug reports and pull requests welcome. If a platform updates its specs, open an issue or PR against the relevant file in references/ or scripts/platform data.js . License MIT — free to use, fork, and redistribute. Skills built alongside Branding5 — AI brand positioning and marketing strategy