JSON formatter & validator
Format, beautify, validate, and minify JSON online. Pinpoint syntax errors by line and column, sort keys, and copy or download the result.
Open Graph preview
Preview how a link looks on Facebook, X, LinkedIn, Slack, and Discord from its Open Graph tags. Flags missing tags.
How to use Open Graph preview
Preview how a link will look when shared on Facebook, X (Twitter), LinkedIn, Slack, and Discord. Paste a page's HTML source (or just its <head>) and the tool reads its Open Graph and Twitter tags, or type the title, description, and image yourself.
Missing tags are flagged so you can fix them before sharing. Nothing is fetched — paste the source with View source in your browser.
Open Graph preview FAQs
Is Open Graph preview free?
Open Graph preview is a free online tool on ReallyUseful.Tools. No account is required.
Does Open Graph preview run in my browser?
Open Graph preview is designed to run in your browser where supported, so files can stay on your device instead of being uploaded to a server.
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