Useful Tools Online

Open Graph & Social Share Preview

Preview how your web pages look when shared on Facebook, Twitter/X, LinkedIn, and Discord. Copy complete OG tags.
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Social Card Simulator

OG
usefultoolsonline.com
Useful Tools Online — 140+ Free Online Tools & Calculators
Free browser-based tools for finance, business, PDF editing, developer utilities, and image optimization with 100% client-side privacy.
Generated Open Graph HTML Tags
<!-- Open Graph / Facebook / LinkedIn -->
<meta property="og:type" content="website" />
<meta property="og:url" content="https://usefultoolsonline.com/" />
<meta property="og:title" content="Useful Tools Online — 140+ Free Online Tools & Calculators" />
<meta property="og:description" content="Free browser-based tools for finance, business, PDF editing, developer utilities, and image optimization with 100% client-side privacy." />
<meta property="og:image" content="https://usefultoolsonline.com/og-image.png" />
<meta property="og:site_name" content="Useful Tools Online" />

<!-- Twitter / X -->
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:url" content="https://usefultoolsonline.com/" />
<meta name="twitter:title" content="Useful Tools Online — 140+ Free Online Tools & Calculators" />
<meta name="twitter:description" content="Free browser-based tools for finance, business, PDF editing, developer utilities, and image optimization with 100% client-side privacy." />
<meta name="twitter:image" content="https://usefultoolsonline.com/og-image.png" />

FAQ

Frequently asked questions

How the calculation works and where its limits are.

What is Open Graph (OG) metadata?

Open Graph meta tags are HTML snippets that control how URLs display when shared on social networks like Facebook, LinkedIn, X (Twitter), Slack, and Discord. They specify the title, description, image, and content type.

What is the recommended Open Graph image size?

The optimal size for Open Graph images (og:image) is 1200 × 630 pixels (a 1.91:1 aspect ratio), with a maximum file size under 5 MB in PNG, JPG, or WebP format.

What is the difference between OpenGraph and Twitter Cards?

OpenGraph (`og:*`) is standard across Facebook, LinkedIn, Discord, and Slack. Twitter Cards (`twitter:*`) specifically configure Twitter/X sharing with formats like `summary_large_image` or `summary`.