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Developer SEO Utility

Open Graph Preview

Enter a title, description, URL, and featured image URL to preview social sharing cards for KakaoTalk, Facebook, and X/Twitter, then generate OG/Twitter meta tags.

OG Card Preview Check the title, description, featured image, and site name shown when a link is shared.
Platform Previews Compare link sharing previews in KakaoTalk, Facebook, and Twitter-style cards.
Automatic Meta Tag Generation Generate Open Graph and Twitter Card meta tags, then copy or download the result.
STEP 1

Open Graph Information

Enter the title, description, URL, and featured image information used for the sharing preview.

Recommended Writing Length Keeping the title around 60 characters and the description around 150 characters can reduce truncation in shared cards.
Recommended Image Ratio A 1200x630px image or a 1.91:1 horizontal image is recommended for featured images.

0/60 chars recommended

0/150 chars recommended

Used for og:url and twitter:url.

Used for og:image and twitter:image.

Used for og:site_name.

The type of shared content.

Title 0 chars Description 0 chars URL waiting Image waiting
STEP 2

Share Preview

Check how the sharing card may appear on each platform.

Ready
OG IMAGE
Share title will appear here

Share description will appear here.

win-j.com
OG IMAGE
WIN-J.COM Share title will appear here

Share description will appear here.

OG IMAGE
Share title will appear here

Share description will appear here.

https://example.com/page/
STEP 3

Generated Result

Add the code below to the HTML head section.

Enter information and click the Generate OG Tags button.
STEP 4

Open Graph Checklist

The quality of a sharing preview depends on the title, description, image, and canonical URL settings.

og:title

This is the main title of the sharing card. Keep it short and clear because long titles may be truncated.

og:description

This appears in the description area of the sharing card. A concise page summary can help improve click-through rate.

og:image

This is the most visible image when a link is shared. A 1200x630px horizontal thumbnail is recommended.

Practical guide

Preparing Open Graph tags with an approximate share preview

Enter a page title, description, URL and image URL to build Open Graph and optional Twitter Card tags. Compare three illustrative card layouts before checking the deployed page on the actual sharing platform.

Prepared & reviewed by
win-j
Last reviewed
2026-10-01

Who this helps

  • Editors preparing shared links
  • Developers adding social metadata

When to use this tool

  • Compare title and image combinations.
  • Generate a copyable OG tag draft.

From input to a checked result

  1. 1

    Prepare a public page URL and representative image URL.

  2. 2

    Enter the title, summary, site name and content type.

  3. 3

    Review the approximate cards and optional length warnings.

  4. 4

    Generate tags, resolve errors and copy the result into the head template.

  5. 5

    Check the deployed source and the platform's own preview tools.

Example 1

A page share card

Input
website; title and summary; https://example.com/tool/; https://example.com/card.jpg
Result
Open Graph tags and optional Twitter Card tags

The page URL and image must be accessible to the real platform crawler.

Example 2

A long title

Input
A title longer than 60 characters with length checking enabled
Result
Generated tags with a review warning

The threshold is a local writing aid, not a platform-wide hard limit.

How it works

The generator escapes HTML attributes and validates HTTP(S) URL syntax, excluding credentials. Image URL validation can be switched off for tag generation; the preview still requires a valid URL. Length warnings use 60 title and 150 description code units.

Limitations

  • The layouts are approximations and do not reproduce a platform's exact cropping or truncation.
  • Image dimensions, status codes, MIME types and crawler access are not checked.
  • Cached share cards may remain after you update the page.
Your data

Text and generated tags are handled locally. Preview images are requested directly from their host, which can receive your IP and request information.

Related tools

  • Meta Tag Generator

    Build basic title, description, robots and optional canonical tags alongside Open Graph and Twitter Card groups. Review the generated code against your existing template to avoid duplicate metadata.

  • SEO Head Checker

    Inspect pasted head code for missing or duplicate metadata and basic URL issues. The percentage is a win-j checklist score, not a Google score or a prediction of indexing.

Frequently asked questions

Is this the live platform preview?

No. Use it to compare draft layouts, then verify the real shared link.

Why does the image not load?

Check the public URL, response and host restrictions; valid syntax alone does not make an image accessible.

Are image URLs sent anywhere?

Your browser requests the image host for the preview. Avoid private or signed URLs.