OGP Checker
Check the size and appearance of the OGP image, title, and description when sharing on social media
Features
Preview 5 major social platforms at once
Check 5 platforms simultaneously, including Facebook, X, Hatena, and LINE
Appearance on both PC and mobile
Line up and compare card displays whose crop width differs by device
Auto-extract OGP tags
Read og:image and twitter:card and turn them into a preview
Simulate with manual input
Directly specify the image, title, and description to verify the look before publishing
How to Use
Enter the URL
Paste the target page URL in the input field on the "Check from URL" tab
Run the check
Press the run button and the server fetches the page and parses the OGP information
Compare the previews
Check how each social card is displayed on PC and mobile respectively
Try with manual input
Specify image, title, and description in the "Manual verification" tab to validate the display
Use Cases
Check display before publishing an article
Inspect before publishing that the share card for a blog or news article is as intended
Optimize social spread
Grasp truncation of the title and image and adjust to a more clickable display
Verify after a site overhaul
Check that OGP settings are not broken after a renewal or domain migration
Compare design proposals in advance
Manually enter unpublished images and text to evaluate the look on each social platform at the draft stage
Basic Knowledge
What is OGP?
OGP (Open Graph Protocol) is a meta tag system that specifies the title, description, and image displayed when a page is shared on SNS, using tags such as og:title and og:image.
Standard OGP Image Size
The standard size for OGP images is 1200 × 630 pixels (aspect ratio 1.91:1). Since some SNS platforms crop the image to a square or other shape, placing important text and logos toward the center helps prevent them from being cut off.
Safety and Privacy
Server-side processing
Input is processed on the server; only information necessary for the inquiry is sent.
Temporary processing only
For fetching and parsing OGP information, temporary processing occurs on the server, then data is discarded after results are returned.
Communications encrypted with HTTPS
All sent and received data is encrypted by TLS and cannot be read by third parties.
No transmission to third parties
Input content is not sent to external services such as ad networks or trackers.
Access only to the entered URL
To retrieve OGP, our service's server accesses only the entered URL
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Updates
- update #293
OGP preview now supports manual image pasting and sample text verification
- update #284
OGP preview now allows manual image URL input
Tab name changed from "Preview appearance" to "Manual preview", and images can now be specified by URL of publicly available images in addition to files.
- update #91
Improved handling for sites that reject OGP fetching and fixed error display
- update #55
Added keyword research navigation to Whois and OGP Previewer
- update #47
Added bulk preview mode for multiple URLs to OGP preview tool
Check up to 50 URLs at once separated by line breaks.
Featured Tools
RAKKOTOOLS is free to use!
Available free of charge for individuals and corporations, commercial and non-commercial use alike.No prior permission or usage application is required. Feel free to use it in various situations.
Use in streaming and videos
Use various tools such as lottery draws and raffles in live streams and videos.
Use in schools, work, and events
Can be used in various situations such as classes, team division, internal work, and events.
Introduction on Web, books, and SNS
Feel free to introduce it as a useful tool on web media, books, SNS, and other platforms.
Commercial use
Can be used for commercial purposes such as research, calculation, processing, and conversion in business and production.
If you mention it, I get motivated to create more tools!
If using in streaming and videos
Link to RAKKOTOOLS in the description, or Mention or display that you are using RAKKOTOOLS in the stream or video.
Credit example for the description
Usage guidelinesYou are free to use it for normal purposes. However, use for purposes that violate laws, infringe on third-party rights, impose significant load on the service, or otherwise interfere with service operation is prohibited.
We do not guarantee the accuracy or completeness of information and calculation results obtained from each tool.
This notice is a translation of the original Japanese text. If there is any discrepancy between the translation and the original, the Japanese original takes precedence.