Guides
Open Graph & social image guides
Sizes, specs, and step-by-step how-tos for share images that actually look right — for developers and marketers.

How to preview and test your Open Graph image before you publish
Preview your OG image and test your og tags before shipping. Use a free client-side og image checker to validate Open Graph, Facebook, X, and LinkedIn cards.
open graphOG image dimensions: width, height, and the 2x rule explained
A technical reference on og:image dimensions: the width and height meta tags, aspect-ratio math, the 2x retina rule, minimum sizes, and common mistakes.
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open graphHow to add Open Graph images to your website
A practical, copy-paste guide to adding Open Graph images: the minimal meta tags, an absolute https og:image, framework snippets for Next.js and plain HTML, and how to test before you ship.
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facebookFacebook link preview image size and Open Graph tags (2026)
The right Facebook OG image size (1200x630), the og: tags Facebook reads, how to force a re-scrape with the Sharing Debugger, and a fix checklist for broken previews.
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discordDiscord and Slack link previews: image sizes and how to fix them
Fix a broken Discord link preview image or Slack unfurl image: the right size, how each caches, the query-string trick to bust stale unfurls, plus a checklist.
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open graphOpen Graph image sizes in 2026 (the cheat sheet)
The definitive Open Graph image size 2026 cheat sheet: exact dimensions and aspect ratios for every major platform, plus safe-area, file-size, and format tips.
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twitter cardHow to make a Twitter/X card image (step by step)
A step-by-step Twitter card image generator guide: the summary_large_image meta tags, the right 1600x900 size, testing, and making one free.
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open graphWhy your link preview looks broken (and how to fix it)
Why does my link preview look broken? Diagnose missing og:image, relative URLs, oversized files, caching, and wrong dimensions, with a fix checklist.
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saasThe best OG image templates for SaaS launches
The best SaaS OG image template picks for a product launch: which layouts work, when to use each, and how to ship a sharp 1200x630 share preview free.
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changelogChangelog and release social images that get clicks
Turn release notes into shareable cards. Learn what to put on a changelog social image, a repeatable workflow, and how to ship one in a minute.
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developerOG images for developers: the dark-terminal look
How to make a developer OG image with the dark-terminal look: monospace, terminal chrome, neon accents, plus how to pair it with GitHub and launch posts.
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linkedinLinkedIn post images: dimensions and template ideas
The right LinkedIn share image size (1200x627), feed best practices, professional template ideas, and a quick do-and-avoid list for clean previews.
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podcastMake a podcast or episode cover in 60 seconds
A fast podcast cover generator workflow: build episode/event cards with title, host, date, and art, then size them for social and podcast platforms free.
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testimonialsQuote and testimonial social cards, the easy way
Turn quotes, testimonials, and tweets into a shareable testimonial social card. Design tips for legibility and attribution, plus a one-minute workflow.
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open graphOpen Graph meta tags: the complete reference
A complete Open Graph meta tags reference: every core og: and twitter: tag explained, required vs optional, with copy-paste HTML and validation tools.
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