Free OG Image Checker & Open Graph Preview Tool
Check your Open Graph tags and preview how your URL looks when shared on Facebook, Twitter/X, LinkedIn, and other social platforms.
Enter URL to Check
Paste any URL to analyze its Open Graph meta tags and see social media sharing previews.
Create content, post everywhere
Create posts, images, and carousels with AI. Schedule to 9 platforms in seconds.
Start your free trialHow to Use the OG Image Checker
Enter Your URL
Paste any webpage URL you want to check. Works with any publicly accessible page.
Review OG Tags
See all Open Graph and Twitter Card tags found on the page, with missing tag warnings.
Preview & Fix
See exactly how your link appears on Facebook, Twitter/X, and LinkedIn. Fix any issues.
What Are Open Graph Tags?
Open Graph (OG) tags are HTML meta tags that control how your content appears when shared on social media platforms like Facebook, LinkedIn, Twitter/X, and messaging apps. Without proper OG tags, platforms guess what title, description, and image to show, often with poor results.
Originally created by Facebook in 2010, Open Graph meta tags have become the standard for social sharing across the web. Twitter uses its own "Twitter Card" tags but falls back to OG tags when those aren't present.
Required vs Optional OG Tags
| Tag | Priority | Description | Example |
|---|---|---|---|
| og:title | Required | Page title for social shares | Your Brand - Home |
| og:description | Required | 55-200 character summary | The best tool for... |
| og:image | Required | Preview image (1200x630px) | https://site.com/og.png |
| og:url | Required | Canonical page URL | https://site.com/page |
| og:type | Required | Content type | website, article |
| og:site_name | Optional | Your website name | SocialRails |
| og:locale | Optional | Language and region | en_US |
| twitter:card | Recommended | Twitter card type | summary_large_image |
Why OG Tags Matter for Every Website
Higher Click-Through Rates
Posts with proper OG images consistently get more engagement than text-only links. A compelling preview image and title increase clicks from social feeds.
Control Your Brand Appearance
Without OG tags, platforms auto-generate previews that often look broken or use the wrong image. OG tags let you control exactly what people see.
Better SEO Signals
While OG tags aren't direct ranking factors, increased social sharing and engagement from proper tags indirectly improve SEO through more backlinks and traffic.
Messaging App Previews
OG tags also control link previews in WhatsApp, Telegram, Slack, Discord, and iMessage. Every shared link benefits from proper OG tags.
OG Image Size by Platform
| Platform | Recommended Size | Aspect Ratio | Max File Size |
|---|---|---|---|
| 1200 x 630px | 1.91:1 | 8 MB | |
| Twitter/X | 1200 x 600px | 2:1 | 5 MB |
| 1200 x 627px | 1.91:1 | 5 MB | |
| 1000 x 1500px | 2:3 | 20 MB | |
| 1200 x 630px | 1.91:1 | 5 MB |
Use 1200x630px as the universal safe size. It works well across all platforms.
Frequently Asked Questions
What is an OG image checker?
An OG image checker analyzes a URL's Open Graph meta tags and shows you exactly how the page will appear when shared on social media. It detects missing tags, validates image sizes, and previews the social sharing card for Facebook, Twitter/X, and LinkedIn.
Why is my OG image not showing on Facebook?
Common reasons: the og:image tag is missing or has the wrong URL, the image is smaller than 200x200px (Facebook's minimum), the image URL returns a 404, or Facebook has cached an old version. Use Facebook's Sharing Debugger to clear the cache after fixing your tags.
What size should my OG image be?
Use 1200x630 pixels for the best results across all platforms. This 1.91:1 aspect ratio works on Facebook, LinkedIn, Twitter/X, and messaging apps. Keep file size under 5 MB and use JPG or PNG format.
Do I need both OG tags and Twitter Card tags?
Twitter/X falls back to OG tags when Twitter Card tags aren't present. However, adding twitter:card and twitter:image gives you more control over how your content appears on X specifically. At minimum, set twitter:card to "summary_large_image".
How do I add OG tags to my website?
Add meta tags in your HTML <head> section. Example: <meta property="og:title" content="Your Title" />. Most CMS platforms (WordPress, Shopify, Squarespace) have SEO plugins that let you set OG tags without coding.
How often should I check my OG tags?
Check after every significant page update, template change, or CMS migration. Also check when launching new pages or campaigns. A broken OG image on a viral post means lost clicks and engagement.
How do I fix a cached OG image on Facebook?
Go to Facebook's Sharing Debugger (developers.facebook.com/tools/debug/), paste your URL, and click "Scrape Again." This forces Facebook to re-fetch your OG tags and update the cached preview. You may need to click it twice. For LinkedIn, use the Post Inspector tool. Twitter/X updates automatically but can take a few minutes.
Do OG tags affect SEO rankings?
OG tags are not a direct Google ranking factor. However, proper OG tags lead to better-looking social shares, which get more clicks and engagement. More social traffic can lead to more backlinks and brand searches, which do help SEO indirectly. Think of OG tags as a conversion optimization for your social sharing, not a direct SEO lever.
Complete Your Social Media Toolkit
Maximize your social media success with our other free tools
AI Facebook Post Generator
Generate complete Facebook posts with AI for any business or personal use
AI Instagram Post Generator
Create engaging Instagram posts with captions, hashtags, and CTAs
AI LinkedIn Post Generator
Generate professional LinkedIn posts for thought leadership and engagement
Privacy & Security
We only fetch publicly accessible pages to read their meta tags. No data is stored or logged. URLs you check are not shared with third parties. This tool runs through a secure proxy to bypass browser CORS restrictions.