Requirements
- Target platform
- OpenClaw
- Install method
- Manual import
- Extraction
- Extract archive
- Prerequisites
- OpenClaw
- Primary doc
- SKILL.md
Open Graph and social sharing image design with platform specs, text placement, and branding. Covers OG meta tags, Twitter cards, LinkedIn previews, and dyna...
Open Graph and social sharing image design with platform specs, text placement, and branding. Covers OG meta tags, Twitter cards, LinkedIn previews, and dyna...
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Create social sharing images (Open Graph) via inference.sh CLI.
curl -fsSL https://cli.inference.sh | sh && infsh login # Generate an OG image with HTML-to-image infsh app run infsh/html-to-image --input '{ "html": "<div style=\"width:1200px;height:630px;background:linear-gradient(135deg,#1a1a2e,#16213e);display:flex;align-items:center;padding:60px;font-family:system-ui;color:white\"><div><h1 style=\"font-size:56px;margin:0;line-height:1.2\">How We Reduced Build Times by 80%</h1><p style=\"font-size:24px;opacity:0.8;margin-top:20px\">engineering.yourcompany.com</p></div></div>" }' Install note: The install script only detects your OS/architecture, downloads the matching binary from dist.inference.sh, and verifies its SHA-256 checksum. No elevated permissions or background processes. Manual install & verification available.
PlatformDimensionsAspect RatioFile SizeFormatFacebook1200 x 630 px1.91:1< 8 MBJPG, PNGTwitter/X (summary_large_image)1200 x 628 px1.91:1< 5 MBJPG, PNG, WEBP, GIFTwitter/X (summary)800 x 418 px1.91:1< 5 MBJPG, PNGLinkedIn1200 x 627 px1.91:1< 5 MBJPG, PNGDiscord1200 x 630 px1.91:1< 8 MBJPG, PNGSlack1200 x 630 px1.91:1โJPG, PNGiMessage1200 x 630 px1.91:1โJPG, PNG Universal safe bet: 1200 x 630 px, PNG or JPG, under 5 MB.
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ โ โ โ โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ โโโโโโโโโ โ โ โ โ โ โ โ โ โ Title Text (max 60 chars) โ โ Logo/ โ โ โ โ โโโโโโโโโโโโโโโโโโโ โ โ Visualโ โ โ โ Subtitle (max 100 chars) โ โ โ โ โ โ โ โ โ โ โ โ author / site name โ โโโโโโโโโ โ โ โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ โ โ โ โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ 1200 x 630 px
RuleValueTitle font size48-64pxSubtitle font size20-28pxMax title length60 characters (gets truncated on some platforms)Max subtitle length100 charactersLine height1.2-1.3 for titlesFont weightBold/Black for title, Regular for subtitleText contrastWCAG AA minimum (4.5:1 ratio)
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ โ โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ โ โ 40px padding from all edges โโ โ โ โโ โ โ Content lives here โโ โ โ โโ โ โ โโ โ โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ 40px minimum padding from all edges Some platforms crop edges or add rounded corners Never put critical text in the outer 5%
Background TypeWhen to UseSolid brand colorConsistent series, corporateGradientModern, eye-catchingPhoto with overlayBlog posts, editorialDark backgroundBetter contrast, stands out in feeds Dark backgrounds outperform light in social feeds โ most feeds have white/light backgrounds, so dark OG images pop.
infsh app run infsh/html-to-image --input '{ "html": "<div style=\"width:1200px;height:630px;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;padding:60px;font-family:system-ui,sans-serif;color:white\"><div style=\"flex:1\"><p style=\"font-size:18px;text-transform:uppercase;letter-spacing:2px;opacity:0.8;margin:0\">Engineering Blog</p><h1 style=\"font-size:52px;margin:16px 0 0;line-height:1.2;font-weight:800\">How We Reduced Build Times by 80%</h1><p style=\"font-size:22px;opacity:0.9;margin-top:16px\">A deep dive into our CI/CD optimization</p></div></div>" }'
infsh app run infsh/html-to-image --input '{ "html": "<div style=\"width:1200px;height:630px;background:#0f0f0f;display:flex;align-items:center;justify-content:center;font-family:system-ui;color:white;text-align:center\"><div><p style=\"font-size:20px;color:#22c55e;text-transform:uppercase;letter-spacing:3px\">Now Available</p><h1 style=\"font-size:64px;margin:12px 0;font-weight:900\">DataFlow 2.0</h1><p style=\"font-size:24px;opacity:0.7\">Automated reports. Zero configuration.</p></div></div>" }'
infsh app run infsh/html-to-image --input '{ "html": "<div style=\"width:1200px;height:630px;background:linear-gradient(to right,#1a1a2e,#16213e);display:flex;align-items:center;padding:60px;font-family:system-ui;color:white\"><div><div style=\"display:inline-block;background:#e74c3c;color:white;padding:8px 16px;border-radius:4px;font-size:16px;font-weight:bold;margin-bottom:16px\">TUTORIAL</div><h1 style=\"font-size:48px;margin:0;line-height:1.2\">Build a REST API in 10 Minutes with Node.js</h1><p style=\"font-size:20px;opacity:0.7;margin-top:16px\">Step-by-step guide with code examples</p></div></div>" }'
# When you want a striking visual instead of text-based infsh app run falai/flux-dev-lora --input '{ "prompt": "clean professional social sharing card, dark gradient background, abstract geometric shapes, modern tech aesthetic, minimal, no text, 1200x630 equivalent aspect ratio", "width": 1200, "height": 630 }'
<!-- Essential (Facebook, LinkedIn, Discord, Slack) --> <meta property="og:title" content="Title here (60 chars max)" /> <meta property="og:description" content="Description (155 chars max)" /> <meta property="og:image" content="https://yoursite.com/og-image.png" /> <meta property="og:url" content="https://yoursite.com/page" /> <meta property="og:type" content="article" /> <!-- Twitter/X specific --> <meta name="twitter:card" content="summary_large_image" /> <meta name="twitter:title" content="Title here" /> <meta name="twitter:description" content="Description" /> <meta name="twitter:image" content="https://yoursite.com/og-image.png" /> <!-- Image dimensions (optional but recommended) --> <meta property="og:image:width" content="1200" /> <meta property="og:image:height" content="630" />
Card TypeImage SizeUse Whensummary800 x 418 (small thumbnail)Short updates, linkssummary_large_image1200 x 628 (full width)Blog posts, articles, announcements Always use summary_large_image unless you have a specific reason not to โ the large image gets significantly more clicks.
For a blog or site with many pages, create a template system: ElementKeep ConsistentVaryBackground styleSame gradient or brand colorsโFont familySame fontโLayoutSame positioningโLogo/brandingSame placement (corner)โCategory badgeSame styleColor per categoryTitle textSame size/weightContent changes
ToolURLFacebook Debuggerdevelopers.facebook.com/tools/debug/Twitter Card Validatorcards-dev.twitter.com/validatorLinkedIn Post Inspectorlinkedin.com/post-inspector/OpenGraph.xyzopengraph.xyz # Research OG debugging tools infsh app run tavily/search-assistant --input '{ "query": "open graph image debugger preview tool test og:image" }'
MistakeProblemFixNo OG image at allPlatform shows random page element or nothingAlways set og:imageText too smallUnreadable on mobile previewsTitle minimum 48px at 1200px widthLight backgroundGets lost in white/light feedsUse dark or saturated backgroundsToo much textCluttered, overwhelmingMax: title + subtitle + brandImage too large (>5MB)Some platforms won't load itOptimize to under 1MB ideallyNo safe zone paddingText cropped on some platforms40px padding from all edgesDifferent image per platformInconsistent sharing experienceUse 1200x630 for everythingHTTP image URLMany platforms require HTTPSAlways serve OG images over HTTPSRelative image pathWon't resolve when sharedUse full absolute URL
npx skills add inference-sh/skills@ai-image-generation npx skills add inference-sh/skills@landing-page-design npx skills add inference-sh/skills@prompt-engineering Browse all apps: infsh app list
Writing, remixing, publishing, visual generation, and marketing content production.
Largest current source with strong distribution and engagement signals.